LabEAN Laboratório de Energia Alternativa e Nanomateriais

Publicações

Explore todos os trabalhos publicados pelo Laboratório de Energia Alternativa e Nanomateriais (LabEAN) neste espaço dedicado à pesquisa e inovação!

2024

Platinum Selenide Nanoparticle Synthesis and Reaction with Butyllithium Breaking the Long-Range Ordering Structure
Platinum Selenide Nanoparticle Synthesis and Reaction with Butyllithium Breaking the Long-Range Ordering Structure
Victor Secco Lemos  ·  Daniel Angeli de Moraes  ·  Iara de Lacerda Pataca  ·  Olavo Fiamencini Verruma  ·  Carolina Pirogini Torres  ·  ...  ·  Felipe Crasto de Lima  ·  Flavio Leandro Souza  ·  Edson Roberto Leite  ·  Adalberto Fazzio  ·  João Batista Souza Junior
Chemistry of Materials   |   10 Sep 2024
Bulk and interface engineering with the combined addition of Na+ and E5+ (E = Nb5+, Ta5+) in the design of hematite photoanodes
Bulk and interface engineering with the combined addition of Na+ and E5+ (E = Nb5+, Ta5+) in the design of hematite photoanodes
Kelly T.C. Thomaz  ·  Ingrid Rodríguez-Gutiérrez  ·  Flavio L. Souza
Materials Letters   |   01 Jun 2024
Enhanced Power Generation Using a Dual-Surface-Modified Hematite Photoanode in a Direct Glyphosate Photo Fuel Cell
Enhanced Power Generation Using a Dual-Surface-Modified Hematite Photoanode in a Direct Glyphosate Photo Fuel Cell
Luiz Eduardo Gomes  ·  Gustavo M. Morishita  ·  Vitória E. M. Icassatti  ·  Thalita F. da Silva  ·  Amilcar Machulek Junior  ·  Ingrid Rodríguez-Gutiérrez  ·  Flavio Leandro Souza  ·  Cauê A. Martins  ·  Heberton Wender
ACS Applied Materials & Interfaces   |   27 Mar 2024
Triggering Synergy between p-Type Sputter-Deposited FeMnO<sub><i>x</i></sub> or FeNiO<sub><i>x</i></sub> and W-Doped BiVO<sub>4</sub> for Enhanced Oxygen Evolution
Triggering Synergy between p-Type Sputter-Deposited FeMnOx or FeNiOx and W-Doped BiVO4 for Enhanced Oxygen Evolution
Niqab Khan  ·  Ariadne Koche  ·  Higor Andrade Centurion  ·  Lucas Rabelo  ·  Jefferson Bettini  ·  Gabriel T. dos Santos  ·  Flavio Leandro Souza  ·  Renato V. Gonçalves  ·  Sherdil Khan
ACS Applied Energy Materials   |   12 Mar 2024
Overcoming scale-up challenges for nanostructured photoelectrodes via one-step interface engineering
Overcoming scale-up challenges for nanostructured photoelectrodes via one-step interface engineering
Ingrid Rodríguez-Gutiérrez  ·  Lizandra R.P. Peregrino  ·  Karen C. Bedin  ·  Gustavo M. Morishita  ·  Gabriel H. Morais  ·  Ricardo H.R. Castro  ·  Edson R. Leite  ·  Flavio L. Souza
International Journal of Hydrogen Energy   |   01 Mar 2024
Nanostructured FTO/Zr-hematite interfaces for solar water-splitting applications
Nanostructured FTO/Zr-hematite interfaces for solar water-splitting applications
Gabriel T. Dos Santos  ·  Karen C. Bedin  ·  Tanna E.R. Fiuza  ·  Ingrid Rodríguez-Gutiérrez  ·  Paulo F.P. Fichtner  ·  Flavio L. Souza  ·  Jefferson Bettini
Applied Surface Science   |   01 Feb 2024
Charge dynamics in semiconductors for photoelectrochemical water splitting
Charge dynamics in semiconductors for photoelectrochemical water splitting
Ana M.S. Santos  ·  Ingrid Rodríguez-Gutiérrez  ·  Gustavo M. Morishita  ·  Ricardo M. Lopes  ·  Flavio L. Souza
Materials Letters   |   01 Feb 2024
Dual modification on hematite to minimize small polaron effects and charge recombination for sustainable solar water splitting
Dual modification on hematite to minimize small polaron effects and charge recombination for sustainable solar water splitting
Nathália C. Verissimo  ·  Fabio A. Pires  ·  Ingrid Rodríguez-Gutiérrez  ·  Jefferson Bettini  ·  Tanna E. R. Fiuza  ·  ...  ·  Fabiano E. Montoro  ·  Gabriel R. Schleder  ·  Ricardo H. R. Castro  ·  Edson R. Leite  ·  Flavio L. Souza
Journal of Materials Chemistry A   |   01 Jan 2024

2023

Unraveling the impact of tetravalent and pentavalent ions on the charge dynamics of hematite photoelectrodes for solar water splitting
Unraveling the impact of tetravalent and pentavalent ions on the charge dynamics of hematite photoelectrodes for solar water splitting
Brenda R. Lima  ·  Ingrid Rodriguez-Gutierrez  ·  Nathália C. Verissimo  ·  Ângela Albuquerque  ·  Gabriel T. Santos  ·  Jefferson Bettini  ·  Flavio L. Souza
Materials Today Chemistry   |   01 Dec 2023
Towards sustainable photoelectrodes for solar to hydrogen conversion through the combination of earth-abundant elements
Towards sustainable photoelectrodes for solar to hydrogen conversion through the combination of earth-abundant elements
Flavio de Souza  ·  Nathália Verissimo  ·  Fabio Pires  ·  Ingrid Rodríguez-Gutiérrez  ·  Jefferson Bettini  ·  ...  ·  Cleyton Biffe  ·  Fabiano Montoro  ·  Gabriel Schleder  ·  Ricardo Castro  ·  Edson leite
Research Square Platform LLC   |   14 Nov 2023
Self-Diffusion versus Intentional Doping: Beneficial and Damaging Impact on Hematite Photoanode Interfaces
Self-Diffusion versus Intentional Doping: Beneficial and Damaging Impact on Hematite Photoanode Interfaces
Lara M. Daminelli  ·  Ingrid Rodríguez-Gutierrez  ·  Fabio A. Pires  ·  Gabriel T. dos Santos  ·  Jefferson Bettini  ·  Flavio L. Souza
ACS Applied Materials & Interfaces   |   09 Nov 2023
Interfacial engineering of hematite photoanodes toward high water splitting performance
Interfacial engineering of hematite photoanodes toward high water splitting performance
Kelly T.C. Thomaz  ·  Karen C. Bedin  ·  Ingrid Rodríguez-Gutiérrez  ·  Nathália C. Verissimo  ·  Jefferson Bettini  ·  Flavio L. Souza
Materials Today Energy   |   01 Oct 2023
Hafnium boosts charge carrier dynamics in hematite for improved solar water splitting
Hafnium boosts charge carrier dynamics in hematite for improved solar water splitting
Gustavo M. Morishita  ·  Ingrid Rodríguez-Gutiérrez  ·  Ricardo H.R. Castro  ·  Flavio L. Souza
Materials Letters   |   01 Jun 2023
Selective placement of modifiers on hematite thin films for solar water splitting
Selective placement of modifiers on hematite thin films for solar water splitting
Fabio A. Pires  ·  Gabriel T. dos Santos  ·  Jefferson Bettini  ·  Carlos A. R. Costa  ·  Renato V. Gonçalves  ·  Ricardo H. R. Castro  ·  Flavio L. Souza
Sustainable Energy & Fuels   |   01 Jan 2023

2022

Advances in Engineered Metal Oxide Thin Films by Low-Cost, Solution-Based Techniques for Green Hydrogen Production
Advances in Engineered Metal Oxide Thin Films by Low-Cost, Solution-Based Techniques for Green Hydrogen Production
Ingrid Rodríguez-Gutiérrez  ·  Karen Cristina Bedin  ·  Beatriz Mouriño  ·  João Batista Souza Junior  ·  Flavio Leandro Souza
Nanomaterials   |   07 Jun 2022
Solution chemistry back-contact FTO/hematite interface engineering for efficient photocatalytic water oxidation
Solution chemistry back-contact FTO/hematite interface engineering for efficient photocatalytic water oxidation
Karen Cristina Bedin  ·  Beatriz Mouriño  ·  Ingrid Rodríguez-Gutiérrez  ·  João Batista Souza Junior  ·  Gabriel Trindade dos Santos  ·  Jefferson Bettini  ·  Carlos Alberto Rodrigues Costa  ·  Lionel Vayssieres  ·  Flavio Leandro Souza
Chinese Journal of Catalysis   |   01 May 2022
On electron loss lowering at hematite photoelectrode interfaces
On electron loss lowering at hematite photoelectrode interfaces
Karen C. Bedin  ·  Ingrid Rodríguez‐Gutiérrez  ·  Lizandra R. P. Peregrino  ·  Lionel Vayssieres  ·  Flavio L. Souza
Journal of the American Ceramic Society   |   04 Apr 2022
On the Effect of Thermal Processing on Sn Diffusion and Efficiency Enhancement in Hematite/FTO Photoanodes
On the Effect of Thermal Processing on Sn Diffusion and Efficiency Enhancement in Hematite/FTO Photoanodes
Ingrid Rodríguez-Gutiérrez  ·  Beatriz Mouriño  ·  André L. M. Freitas  ·  Carlos A. R. Costa  ·  Elcio L Pires  ·  Renato V. Gonçalves  ·  Lionel Vayssieres  ·  Flavio L. Souza
ECS Journal of Solid State Science and Technology   |   01 Apr 2022
Binary Transition Metal NiFeO<sub>x</sub> and CoFeO<sub>x</sub> Cocatalysts Boost the Photodriven Water Oxidation over Fe<sub>2</sub>TiO<sub>5</sub> Nanoparticles
Binary Transition Metal NiFeOx and CoFeOx Cocatalysts Boost the Photodriven Water Oxidation over Fe2TiO5 Nanoparticles
Mauricio A. Melo  ·  Higor A. Centurion  ·  Giovanna Machado  ·  Flavio L. Souza  ·  Renato V. Gonçalves
ChemNanoMat   |   25 Feb 2022
Ideal dopant to increase charge separation efficiency in hematite photoanodes: germanium
Ideal dopant to increase charge separation efficiency in hematite photoanodes: germanium
Murillo Henrique de Matos Rodrigues  ·  Ingrid Rodriguez-Gutierréz  ·  Carlos Alberto Ospina Ramirez  ·  Carlos Alberto Rodrigo Costa  ·  Cleyton Alexandre Biffe  ·  João Batista de Souza Junior  ·  Flavio Leandro Souza  ·  Edson Roberto Leite
Journal of Materials Chemistry A   |   01 Jan 2022

2021

On the relevance of understanding and controlling the locations of dopants in hematite photoanodes for low-cost water splitting
On the relevance of understanding and controlling the locations of dopants in hematite photoanodes for low-cost water splitting
Joao B. Souza Junior  ·  Flavio L. Souza  ·  Lionel Vayssieres  ·  Oomman K. Varghese
Applied Physics Letters   |   15 Nov 2021
An intensity modulated photocurrent spectroscopy study of the role of titanium in thick hematite photoanodes
An intensity modulated photocurrent spectroscopy study of the role of titanium in thick hematite photoanodes
Ingrid Rodriguez-Gutierrez  ·  Joao B. Souza Junior  ·  Edson R. Leite  ·  Lionel Vayssieres  ·  Flavio L. Souza
Applied Physics Letters   |   16 Aug 2021
Improving Thermodynamic Stability of nano-LiMn<sub>2</sub>O<sub>4</sub> for Li-Ion Battery Cathode
Improving Thermodynamic Stability of nano-LiMn2O4 for Li-Ion Battery Cathode
Kimiko Nakajima  ·  Flavio L. Souza  ·  Andre L. M. Freitas  ·  Andrew Thron  ·  Ricardo H. R. Castro
Chemistry of Materials   |   24 May 2021
Unveiling the dopant segregation effect at hematite interfaces
Unveiling the dopant segregation effect at hematite interfaces
Felipe C. de Lima  ·  Gabriel R. Schleder  ·  João B. Souza Junior  ·  Flavio L. Souza  ·  Fabrício B. Destro  ·  Roberto H. Miwa  ·  Edson R. Leite  ·  Adalberto Fazzio
Applied Physics Letters   |   17 May 2021
Insights on Thickness-Dependent Charge Transfer Efficiency Modulated by Ultrasonic Treatment in Hematite Photoanodes
Insights on Thickness-Dependent Charge Transfer Efficiency Modulated by Ultrasonic Treatment in Hematite Photoanodes
Andre L. M. Freitas  ·  Aryane Tofanello  ·  Flavio L. Souza  ·  Yat Li
The Journal of Physical Chemistry C   |   29 Apr 2021
Challenges and prospects about the graphene role in the design of photoelectrodes for sunlight-driven water splitting
Challenges and prospects about the graphene role in the design of photoelectrodes for sunlight-driven water splitting
Saulo A. Carminati  ·  Ingrid Rodríguez-Gutiérrez  ·  Andreia de Morais  ·  Bruno L. da Silva  ·  Mauricio A. Melo  ·  Flavio L. Souza  ·  Ana F. Nogueira
RSC Advances   |   01 Jan 2021

2020

All-electrochemically synthesized tin and nickel oxide-modified hematite as photo-electrocatalyst anodes for solar-driven water splitting
All-electrochemically synthesized tin and nickel oxide-modified hematite as photo-electrocatalyst anodes for solar-driven water splitting
Anelisse B. Silva  ·  Camila D.F. da Silva  ·  Flavio L. Souza  ·  Francisco W.S. Lucas  ·  Fabio H.B. Lima
Journal of Catalysis   |   01 Nov 2020
Pseudobrookite Fe<sub>2</sub>TiO<sub>5</sub> Nanoparticles Loaded with Earth-Abundant Nanosized NiO and Co<sub>3</sub>O<sub>4</sub> Cocatalysts for Photocatalytic O<sub>2</sub> Evolution via Solar Water Splitting
Pseudobrookite Fe2TiO5 Nanoparticles Loaded with Earth-Abundant Nanosized NiO and Co3O4 Cocatalysts for Photocatalytic O2 Evolution via Solar Water Splitting
Mauricio A. Melo  ·  Higor A. Centurion  ·  Thalles T. A. Lucas  ·  Dereck N. F. Muche  ·  Flavio L. Souza  ·  Renato V. Gonçalves
ACS Applied Nano Materials   |   26 Aug 2020
Interface engineering of nanoceramic hematite photoelectrode for solar energy conversion
Interface engineering of nanoceramic hematite photoelectrode for solar energy conversion
Andre L. M. Freitas  ·  Dereck N. F. Muche  ·  Edson R. Leite  ·  Flavio L. Souza
Journal of the American Ceramic Society   |   17 Aug 2020
Engineering hematite/plasmonic nanoparticle interfaces for efficient photoelectrochemical water splitting
Engineering hematite/plasmonic nanoparticle interfaces for efficient photoelectrochemical water splitting
A. Tofanello  ·  Z. Diao  ·  E. Djatoubai  ·  J. Z. Su  ·  S. H. Shen  ·  F. L. Souza  ·  L. Vayssieres
Journal of Applied Physics   |   13 Aug 2020
Optimization of sulfonation process for the development of carbon-based catalyst from crambe meal via response surface methodology
Optimization of sulfonation process for the development of carbon-based catalyst from crambe meal via response surface methodology
Jhessica M. Fonseca  ·  Lucas Spessato  ·  André L. Cazetta  ·  Karen C. Bedin  ·  Sandra A.R. Melo  ·  Flavio L. Souza  ·  Vitor C. Almeida
Energy Conversion and Management   |   01 Aug 2020
Revealing the synergy of Sn insertion in hematite for next‐generation solar water splitting nanoceramics
Revealing the synergy of Sn insertion in hematite for next‐generation solar water splitting nanoceramics
Karen C. Bedin  ·  Andre L. M. Freitas  ·  Aryane Tofanello  ·  Ingrid Rodríguez‐Gutiérrez  ·  Flavio L. Souza
International Journal of Ceramic Engineering & Science   |   21 Jul 2020
Role of Cocatalysts on Hematite Photoanodes in Photoelectrocatalytic Water Splitting: Challenges and Future Perspectives
Role of Cocatalysts on Hematite Photoanodes in Photoelectrocatalytic Water Splitting: Challenges and Future Perspectives
Karen C. Bedin  ·  Dereck N. F. Muche  ·  Mauricio A. Melo  ·  Andre L. M. Freitas  ·  Renato V. Gonçalves  ·  Flavio L. Souza
ChemCatChem   |   05 May 2020
Enhancing the solar water splitting activity of TiO2 nanotube-array photoanode by surface coating with La-doped SrTiO3
Enhancing the solar water splitting activity of TiO2 nanotube-array photoanode by surface coating with La-doped SrTiO3
Thalles T.A. Lucas  ·  Mauricio A. Melo  ·  André L.M. Freitas  ·  Flavio L. Souza  ·  Renato V. Gonçalves
Solar Energy Materials and Solar Cells   |   01 May 2020
An intensity-modulated photocurrent spectroscopy study of the charge carrier dynamics of WO3/BiVO4 heterojunction systems
An intensity-modulated photocurrent spectroscopy study of the charge carrier dynamics of WO3/BiVO4 heterojunction systems
Ingrid Rodríguez-Gutiérrez  ·  Essossimna Djatoubai  ·  Jinzhan Su  ·  Alberto Vega-Poot  ·  Geonel Rodríguez-Gattorno  ·  Flavio L. Souza  ·  Gerko Oskam
Solar Energy Materials and Solar Cells   |   01 May 2020
Engineering interfacial modification on nanocrystalline hematite photoanodes: A close look into the efficiency parameters
Engineering interfacial modification on nanocrystalline hematite photoanodes: A close look into the efficiency parameters
Dereck N.F. Muche  ·  Saulo A. Carminati  ·  Ana F. Nogueira  ·  Flavio L. Souza
Solar Energy Materials and Solar Cells   |   01 May 2020
(Invited) Engineering Hematite Interfaces By Dual Modification for Sunlight Driven Water Oxidation Reaction
(Invited) Engineering Hematite Interfaces By Dual Modification for Sunlight Driven Water Oxidation Reaction
Andre L. M Freitas  ·  Flavio L Souza
ECS Meeting Abstracts   |   01 May 2020
Strategies to improve the photoelectrochemical performance of hematite nanorod-based photoanodes
Strategies to improve the photoelectrochemical performance of hematite nanorod-based photoanodes
Aryane Tofanello  ·  Shaohua Shen  ·  Flavio Leandro de Souza  ·  Lionel Vayssieres
APL Materials   |   01 Apr 2020
Hematite Surface Modification toward Efficient Sunlight-Driven Water Splitting Activity: The Role of Gold Nanoparticle Addition
Hematite Surface Modification toward Efficient Sunlight-Driven Water Splitting Activity: The Role of Gold Nanoparticle Addition
Aryane Tofanello  ·  Andre L. M. Freitas  ·  Waldemir M. Carvalho  ·  Turkka Salminen  ·  Tapio Niemi  ·  Flavio L. Souza
The Journal of Physical Chemistry C   |   28 Feb 2020
Tailoring a Zinc Oxide Nanorod Surface by Adding an Earth‐Abundant Cocatalyst for Induced Sunlight Water Oxidation
Tailoring a Zinc Oxide Nanorod Surface by Adding an Earth‐Abundant Cocatalyst for Induced Sunlight Water Oxidation
Rafael M. de Almeida  ·  Victoria C. Ferrari  ·  Juliana dos S. Souza  ·  Flavio L. Souza  ·  Wendel A. Alves
ChemPhysChem   |   03 Feb 2020

2019

Controlling the Activation Energy for Single-Ion Diffusion through a Hybrid Polyelectrolyte Matrix by Manipulating the Central Coordinate Semimetal Atom
Controlling the Activation Energy for Single-Ion Diffusion through a Hybrid Polyelectrolyte Matrix by Manipulating the Central Coordinate Semimetal Atom
Victoria C. Ferrari  ·  Raphael S. Alvim  ·  Thiago B. de Queiroz  ·  Gustavo M. Dalpian  ·  Flavio L. Souza
The Journal of Physical Chemistry Letters   |   25 Nov 2019
Tailoring hematite/FTO interfaces: New horizons for spin-coated hematite photoanodes targeting water splitting
Tailoring hematite/FTO interfaces: New horizons for spin-coated hematite photoanodes targeting water splitting
Dereck N.F. Muche  ·  Thayna M.G. dos Santos  ·  Gabriela P. Leite  ·  Mauricio A. Melo  ·  Renato V. Gonçalves  ·  Flavio L. Souza
Materials Letters   |   01 Nov 2019
(Invited) Engineering Hematite Photoelectrodes Interfaces for Sunlight Water Oxidation Reaction
(Invited) Engineering Hematite Photoelectrodes Interfaces for Sunlight Water Oxidation Reaction
Dereck N. F. Muche  ·  Andre L. M Freitas  ·  Flavio L Souza
ECS Meeting Abstracts   |   01 Sep 2019
Annealing control of hydrothermally grown hematite nanorods: Implication of structural changes and Cl concentration on weak ferromagnetism
Annealing control of hydrothermally grown hematite nanorods: Implication of structural changes and Cl concentration on weak ferromagnetism
W.M. Carvalho-Jr  ·  L. Mendonça-Ferreira  ·  F.N. Costa  ·  F.F. Ferreira  ·  D.N.F. Muche  ·  R.A. Tofanello  ·  R.H.R. Castro  ·  F.L. Souza
Journal of Alloys and Compounds   |   01 Aug 2019
Unraveling the Role of Sn Segregation in the Electronic Transport of Polycrystalline Hematite: Raising the Electronic Conductivity by Lowering the Grain‐Boundary Blocking Effect
Unraveling the Role of Sn Segregation in the Electronic Transport of Polycrystalline Hematite: Raising the Electronic Conductivity by Lowering the Grain‐Boundary Blocking Effect
Mario R. S. Soares  ·  Carlos A. R. Costa  ·  Evandro M. Lanzoni  ·  Jefferson Bettini  ·  Carlos A. O. Ramirez  ·  Flavio L. Souza  ·  Elson Longo  ·  Edson R. Leite
Advanced Electronic Materials   |   08 Apr 2019
Unraveling the role of single layer graphene as overlayer on hematite photoanodes
Unraveling the role of single layer graphene as overlayer on hematite photoanodes
Saulo Amaral Carminati  ·  André do Nascimento Barbosa  ·  Andre Luiz Martins de Freitas  ·  Fernando Lázaro Freire  ·  Flávio Leandro Souza  ·  Ana Flávia Nogueira
Journal of Catalysis   |   01 Apr 2019
Novel design of photocatalyst coaxial ferromagnetic core and semiconducting shell microwire architecture
Novel design of photocatalyst coaxial ferromagnetic core and semiconducting shell microwire architecture
G. Sombrio  ·  C.A.D. Pomar  ·  L.S. de Oliveira  ·  A.L.M. Freitas  ·  F.L. Souza  ·  J.A. Souza
Journal of Catalysis   |   01 Feb 2019
Discovering a selective semimetal element to increase hematite photoanode charge separation efficiency
Discovering a selective semimetal element to increase hematite photoanode charge separation efficiency
André Esteves Nogueira  ·  Mario Rodrigo Santos Soares  ·  João Batista Souza Junior  ·  Carlos Alberto Ospina Ramirez  ·  Flavio Leandro Souza  ·  Edson Roberto Leite
Journal of Materials Chemistry A   |   01 Jan 2019

2018

Photoactive multilayer WO3 electrode synthesized via dip-coating
Photoactive multilayer WO3 electrode synthesized via dip-coating
Victoria C. Ferrari  ·  Ivaldete S. Dupim  ·  Vinicius Sousa  ·  Flavio L. Souza
Ceramics International   |   01 Dec 2018
Rapid microwave-assisted synthesis of zirconium aluminide
Rapid microwave-assisted synthesis of zirconium aluminide
Waldemir. M. Carvalho-Jr  ·  Flavio L. Souza  ·  Sydney Ferreira Santos  ·  Jean-Louis Bobet
Materials Chemistry and Physics   |   01 Jun 2018
Synthesis of SnS and ZnS Hollow Microarchitectures Decorated with Nanostructures and Their Photocatalytic Behavior for Dye Degradation
Synthesis of SnS and ZnS Hollow Microarchitectures Decorated with Nanostructures and Their Photocatalytic Behavior for Dye Degradation
Cesar D. Pomar  ·  Aryane T. Souza  ·  Guilherme Sombrio  ·  Flavio L. Souza  ·  Jean J. Bonvent  ·  Jose A. Souza
ChemistrySelect   |   06 Apr 2018
Kinetic and thermodynamic effects of manganese as a densification aid in yttria-stabilized zirconia
Kinetic and thermodynamic effects of manganese as a densification aid in yttria-stabilized zirconia
Hui Li  ·  Flavio L. Souza  ·  Ricardo H.R. Castro
Journal of the European Ceramic Society   |   01 Apr 2018
Sunlight-driven water splitting using hematite nanorod photoelectrodes
Sunlight-driven water splitting using hematite nanorod photoelectrodes
FLAVIO L. SOUZA
Anais da Academia Brasileira de Ciências   |   01 Jan 2018
New ultrasonic assisted co-precipitation for high surface area oxide based nanostructured materials
New ultrasonic assisted co-precipitation for high surface area oxide based nanostructured materials
Dereck N. F. Muche  ·  Flavio L. Souza  ·  Ricardo H. R. Castro
Reaction Chemistry & Engineering   |   01 Jan 2018

2017

Latest Advances on the Columnar Nanostructure for Solar Water Splitting
Latest Advances on the Columnar Nanostructure for Solar Water Splitting
Flavio L Souza  ·  Edson R Leite
Nanoenergy   |   01 Sep 2017
Synthesis, growth mechanism, optical properties and catalytic activity of ZnO microcrystals obtained via hydrothermal processing
Synthesis, growth mechanism, optical properties and catalytic activity of ZnO microcrystals obtained via hydrothermal processing
Edgar Alves Araújo Júnior  ·  Francisco Xavier Nobre  ·  Giancarlo da Silva Sousa  ·  Laécio Santos Cavalcante  ·  Maria Rita de Morais Chaves Santos  ·  Flavio Leandro Souza  ·  José Milton Elias de Matos
RSC Advances   |   01 Jan 2017
Surface Fe vacancy defects on haematite and their role in light-induced water splitting in artificial photosynthesis
Surface Fe vacancy defects on haematite and their role in light-induced water splitting in artificial photosynthesis
Fabio Ribeiro Negreiros  ·  Luana Sucupira Pedroza  ·  Flavio Leandro Souza  ·  Gustavo Martini Dalpian
Physical Chemistry Chemical Physics   |   01 Jan 2017
High temperature activation of hematite nanorods for sunlight driven water oxidation reaction
High temperature activation of hematite nanorods for sunlight driven water oxidation reaction
Nathalie Minko Ito  ·  Waldemir Moura Carvalho  ·  Dereck Nills Ferreira Muche  ·  Ricardo Hauch Ribeiro Castro  ·  Gustavo Martini Dalpian  ·  Flavio Leandro Souza
Physical Chemistry Chemical Physics   |   01 Jan 2017

2016

Zinc Oxide Flower-Like Nanostructures That Exhibit Enhanced Toxicology Effects in Cancer Cells
Zinc Oxide Flower-Like Nanostructures That Exhibit Enhanced Toxicology Effects in Cancer Cells
Iêda M. M. Paino  ·  Fernanda J. Gonçalves  ·  Flavio L. Souza  ·  Valtencir Zucolotto
ACS Applied Materials & Interfaces   |   23 Nov 2016
Dielectric characterization of microwave sintered lead zirconate titanate ceramics
Dielectric characterization of microwave sintered lead zirconate titanate ceramics
Mayra D. Gonçalves  ·  Flavio L. Souza  ·  Elson Longo  ·  Edson R. Leite  ·  Emerson R. Camargo
Ceramics International   |   01 Oct 2016
Effect of microwave irradiation on hydrogen sorption properties of hand mixed MgH2 – 10 wt.% carbon fibers
Effect of microwave irradiation on hydrogen sorption properties of hand mixed MgH2 – 10 wt.% carbon fibers
A.S. Awad  ·  M. Nakhl  ·  M. Zakhour  ·  S.F. Santos  ·  F.L. Souza  ·  J.-L. Bobet
Journal of Alloys and Compounds   |   01 Aug 2016
Hematite Surface Activation by Chemical Addition of Tin Oxide Layer
Hematite Surface Activation by Chemical Addition of Tin Oxide Layer
Waldemir M. Carvalho  ·  Flavio L. Souza
ChemPhysChem   |   17 Jun 2016
Effect of thermal treatment on solid–solid interface of hematite thin film synthesized by spin-coating deposition solution
Effect of thermal treatment on solid–solid interface of hematite thin film synthesized by spin-coating deposition solution
Daniel Angel Bellido-Aguilar  ·  Aryane Tofanello  ·  Flavio L. Souza  ·  Leonardo Negri Furini  ·  Carlos José Leopoldo Constantino
Thin Solid Films   |   01 Apr 2016
Thermal enhancement of water affinity on the surface of undoped hematite photoelectrodes
Thermal enhancement of water affinity on the surface of undoped hematite photoelectrodes
Waldemir M. Carvalho-Jr  ·  Flavio L. Souza
Solar Energy Materials and Solar Cells   |   01 Jan 2016
Multihierarchical electrodes based on titanate nanotubes and zinc oxide nanorods for photoelectrochemical water splitting
Multihierarchical electrodes based on titanate nanotubes and zinc oxide nanorods for photoelectrochemical water splitting
J. S. Souza  ·  W. M. Carvalho  ·  F. L. Souza  ·  C. Ponce-de-Leon  ·  D. V. Bavykin  ·  W. A. Alves
Journal of Materials Chemistry A   |   01 Jan 2016

2015

Enhanced water oxidation efficiency of hematite thin films by oxygen-deficient atmosphere
Enhanced water oxidation efficiency of hematite thin films by oxygen-deficient atmosphere
André L.M. Freitas  ·  Waldemir M. Carvalho  ·  Flavio L. Souza
Journal of Materials Research   |   09 Dec 2015
Enhancing Hematite Photoanode Activity for Water Oxidation by Incorporation of Reduced Graphene Oxide
Enhancing Hematite Photoanode Activity for Water Oxidation by Incorporation of Reduced Graphene Oxide
Saulo do Amaral Carminati  ·  Flavio L. Souza  ·  Ana F. Nogueira
ChemPhysChem   |   27 Nov 2015

2014

Morphological and structural evolution from akaganeite to hematite of nanorods monitored by ex situ synchrotron X-ray powder diffraction
Morphological and structural evolution from akaganeite to hematite of nanorods monitored by ex situ synchrotron X-ray powder diffraction
Allan Moreira Xavier  ·  Fabio Furlan Ferreira  ·  Flavio Leandro Souza
RSC Adv.   |   01 Jan 2014

2013

Recent advances on solar water splitting using hematite nanorod film produced by purpose-built material methods
Recent advances on solar water splitting using hematite nanorod film produced by purpose-built material methods
Waldemir Moura de Carvalho  ·  Flavio Leandro Souza
Journal of Materials Research   |   13 Nov 2013
Facile synthetic route for producing one-dimensional zinc oxide nanoflowers and characterization of their optical properties
Facile synthetic route for producing one-dimensional zinc oxide nanoflowers and characterization of their optical properties
Daniel M. Cunha  ·  Flavio L. Souza
Journal of Alloys and Compounds   |   01 Nov 2013
UV-Light Effects on Cytochrome C Modulated by the Aggregation State of Phenothiazines
UV-Light Effects on Cytochrome C Modulated by the Aggregation State of Phenothiazines
Carolina G. dos Santos  ·  André L. Silva  ·  Flavio L. Souza  ·  Alexandre J. C. Lanfredi  ·  Paolo Di Mascio  ·  Otaciro R. Nascimento  ·  Tiago Rodrigues  ·  Iseli L. Nantes
PLoS ONE   |   09 Oct 2013
Zinc oxide flower-like synthesized under hydrothermal conditions
Zinc oxide flower-like synthesized under hydrothermal conditions
Daniel M. Cunha  ·  Nathalie M. Ito  ·  Allan M. Xavier  ·  Jeverson T. Arantes  ·  Flavio L. Souza
Thin Solid Films   |   01 Jun 2013
Large‐Area Plasmonic Substrate of Silver‐Coated Iron Oxide Nanorod Arrays for Plasmon‐Enhanced Spectroscopy
Large‐Area Plasmonic Substrate of Silver‐Coated Iron Oxide Nanorod Arrays for Plasmon‐Enhanced Spectroscopy
Waldemir Moura Carvalho  ·  Diogo Volpati  ·  Vitor A. Nunes Carvalho  ·  Ricardo F. Aroca  ·  Carlos J. L. Constantino  ·  Flavio L. Souza
ChemPhysChem   |   06 May 2013

2012

Vertically Oriented Iron Oxide Films Produced by Hydrothermal Process: Effect of Thermal Treatment on the Physical Chemical Properties
Vertically Oriented Iron Oxide Films Produced by Hydrothermal Process: Effect of Thermal Treatment on the Physical Chemical Properties
Lucas C. C. Ferraz  ·  Waldemir M. Carvalho  ·  Denise Criado  ·  Flavio L. Souza
ACS Applied Materials & Interfaces   |   02 Oct 2012
Facile Routes to Produce Hematite Film for Hydrogen Generation from Photoelectro-Chemical Water Splitting
Facile Routes to Produce Hematite Film for Hydrogen Generation from Photoelectro-Chemical Water Splitting
Flavio L. de Souza  ·  Allan M. Xavier  ·  Waldemir M. de Carvalho  ·  Ricardo H. Gonçalves  ·  Edson R. Leite
Nanoenergy   |   29 Aug 2012
Highly oriented hematite nanorods arrays for photoelectrochemical water splitting
Highly oriented hematite nanorods arrays for photoelectrochemical water splitting
Vitor A.N. de Carvalho  ·  Roberto A. de S. Luz  ·  Bruno H. Lima  ·  Frank N. Crespilho  ·  Edson R. Leite  ·  Flavio L. Souza
Journal of Power Sources   |   01 May 2012

2011

Structural and dielectric characterization of praseodymium-modified lead titanate ceramics synthesized by the OPM route
Structural and dielectric characterization of praseodymium-modified lead titanate ceramics synthesized by the OPM route
Alexandre H. Pinto  ·  Flavio L. Souza  ·  Elson Longo  ·  Edson R. Leite  ·  Emerson R. Camargo
Materials Chemistry and Physics   |   01 Oct 2011
Quenching of Photoactivity in Phthalocyanine Copper(II) -Titanate Nanotube Hybrid Systems
Quenching of Photoactivity in Phthalocyanine Copper(II) -Titanate Nanotube Hybrid Systems
W. Alves  ·  A. O. Ribeiro  ·  M. V. B. Pinheiro  ·  K. Krambrock  ·  F. El Haber  ·  G. Froyer  ·  O. Chauvet  ·  R. A. Ando  ·  F. L. Souza  ·  W. A. Alves
The Journal of Physical Chemistry C   |   02 Jun 2011

2010

Characterization of dense lead lanthanum titanate ceramics prepared from powders synthesized by the oxidant peroxo method
Characterization of dense lead lanthanum titanate ceramics prepared from powders synthesized by the oxidant peroxo method
Alexandre H. Pinto  ·  Flavio L. Souza  ·  Adenilson J. Chiquito  ·  Elson Longo  ·  Edson R. Leite  ·  Emerson R. Camargo
Materials Chemistry and Physics   |   01 Dec 2010
Hybrid polymer electrolytes for electrochemical devices
Hybrid polymer electrolytes for electrochemical devices
F.L. De Souza  ·  E.R. Leite
Polymer Electrolytes   |   01 Jan 2010

2009

Nanostructured hematite thin films produced by spin-coating deposition solution: Application in water splitting
Nanostructured hematite thin films produced by spin-coating deposition solution: Application in water splitting
Flavio L. Souza  ·  Kirian P. Lopes  ·  Pedro A.P. Nascente  ·  Edson R. Leite
Solar Energy Materials and Solar Cells   |   01 Mar 2009
The influence of the film thickness of nanostructured α-Fe2O3 on water photooxidation
The influence of the film thickness of nanostructured α-Fe2O3 on water photooxidation
Flavio Leandro Souza  ·  Kirian Pimenta Lopes  ·  Elson Longo  ·  Edson Roberto Leite
Physical Chemistry Chemical Physics   |   01 Jan 2009

2008

Anomalous current-voltage behavior of CaCu3Ti4O12 ceramics
Anomalous current-voltage behavior of CaCu3Ti4O12 ceramics
Marco A. L. Cordeiro  ·  Flavio L. Souza  ·  Edson R. Leite  ·  Alexandre J. C. Lanfredi
Applied Physics Letters   |   03 Nov 2008
Ion Relaxation Dynamics in a Decoupled Hybrid Polyelectrolyte
Ion Relaxation Dynamics in a Decoupled Hybrid Polyelectrolyte
Flavio Leandro Souza  ·  Elson Longo  ·  Edson Roberto Leite
ChemPhysChem   |   24 Jan 2008

2007

Performance of a single-phase hybrid and nanocomposite polyelectrolyte in classical electrochromic devices
Performance of a single-phase hybrid and nanocomposite polyelectrolyte in classical electrochromic devices
Flavio L. Souza  ·  Michel A. Aegerter  ·  Edson R. Leite
Electrochimica Acta   |   01 Dec 2007
Solid hybrid polyelectrolyte with high performance in electrochromic devices: Electrochemical stability and optical study
Solid hybrid polyelectrolyte with high performance in electrochromic devices: Electrochemical stability and optical study
Flavio L. Souza  ·  Michel A. Aegerter  ·  Edson R. Leite
Solar Energy Materials and Solar Cells   |   01 Nov 2007
Lithium Ion Motion in a Hybrid Polymer: Confirmation of a Decoupled Polyelectrolyte
Lithium Ion Motion in a Hybrid Polymer: Confirmation of a Decoupled Polyelectrolyte
Flavio L. Souza  ·  Elson Longo  ·  Edson R. Leite
ChemPhysChem   |   15 Aug 2007

2005

Hybrid Organic−Inorganic Polymer:  A New Approach for the Development of Decoupled Polymer Electrolytes
Hybrid Organic−Inorganic Polymer:  A New Approach for the Development of Decoupled Polymer Electrolytes
Edson R. Leite  ·  Flavio L. Souza  ·  Paulo R. Bueno  ·  Sergio de Lazaro  ·  Elson Longo
Chemistry of Materials   |   12 Aug 2005

2004

Structural and electrical characterization of dense lead zirconate titanate ceramics synthesized by the oxidant-peroxo wet-chemical route
Structural and electrical characterization of dense lead zirconate titanate ceramics synthesized by the oxidant-peroxo wet-chemical route
Emerson R. Camargo  ·  Flavio L. Souza  ·  Edson R. Leite  ·  Masato Kakihana
Journal of Applied Physics   |   15 Aug 2004
Sol-Gel Non-hydrolytic Synthesis of a Nanocomposite Electrolyte for Application in Lithium-ion Devices
Sol-Gel Non-hydrolytic Synthesis of a Nanocomposite Electrolyte for Application in Lithium-ion Devices
Flávio L. Souza  ·  Paulo R. Bueno  ·  Ronaldo C. Faria  ·  Elson Longo  ·  Edson R. Leite
MRS Proceedings   |   01 Jan 2004

2003

Effect of the addition of ZnO seeds on the electrical proprieties of ZnO-based varistors
Effect of the addition of ZnO seeds on the electrical proprieties of ZnO-based varistors
F.L. Souza  ·  J.W. Gomes  ·  P.R. Bueno  ·  M.R. Cassia-Santos  ·  A.L. Araujo  ·  E.R. Leite  ·  E. Longo  ·  J.A. Varela
Materials Chemistry and Physics   |   01 May 2003