Strategies for the synthesis of complex oxides for application as light-responsive electrodes in photoelectrochemical cells - a review
Complex oxides have emerged as potential next-generation components for photoelectrodes in reactors for solar energy conversion, due to their improved sunlight harvesting and enhanced stability in comparison to well-known semiconductors based on binary oxides. However, the experimental performances...
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Published in: | Materials advances Vol. 5; no. 11; pp. 4541 - 4562 |
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Main Authors: | , , , , , , |
Format: | Journal Article |
Language: | English |
Published: |
05-06-2024
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Online Access: | Get full text |
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Summary: | Complex oxides have emerged as potential next-generation components for photoelectrodes in reactors for solar energy conversion, due to their improved sunlight harvesting and enhanced stability in comparison to well-known semiconductors based on binary oxides. However, the experimental performances achieved with these emergent materials are still far from the theoretical values. The properties of these complex oxides largely depend on structure, particle-size, morphology and other tuneable characteristics that can be controlled by the synthesis methodology. The aim of this review is to discuss recent progress in synthesizing multinary complex oxides, presenting some common and also less conventional synthesis approaches, which are organized here into "dry" or "wet" methods. Then, we hope to contribute to the development of n and p-type semiconductors for photoelectrochemical generation of fuels like H
2
from water splitting and C-based products from CO
2
reduction or biomass valorisation, as well as, other reactions in the field of sustainable energy.
The choice of an adequate synthesis method is a fundamental step to obtain complex oxides photoelectrodes for efficient photoelectrochemical production of solar fuels. |
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Bibliography: | Dr. Miguel Tayar Galante has a bachelor degree in chemistry from the University of Campinas - UNICAMP - Brazil. He also has a PhD degree from UNICAMP. His thesis and postdoctoral research were focused on photoelectrochemistry using multi-metal oxides photoelectrodes. His reactions of interest are CO Jéssica Costa Alvim received her BSc degree in chemistry from the Federal University of Santa Maria (UFSM, Brazil) in 2020. During her undergraduate course she developed research projects in biochemistry, analytical chemistry, and materials. Currently, she is PhD student at the University of Campinas (UNICAMP, Brazil) under the supervision of Prof. Dr Claudia Longo in the Group of Photoelectrochemistry and Energy Conversion. She is also a visiting student at Imperial College London under supervision of Prof. James Durrant (2023-2024). Her thesis investigates complex oxides for photoelectrochemical solar fuels production and the development of photo-responsive gas diffusion electrodes for the CO reduction reaction. reduction, water splitting and general organic electrosynthesis. . photoanodes for the oxygen evolution reaction and glycerol oxidation, with application in photoreactors for CO 2 4 Dr. Nadia Guerra Macedo received her PhD in Chemistry from the University of São Paulo in 2015. After that, she worked as a post-doc researcher at the Federal University of São Carlos, from 2016 to 2018, in a Materials Sciences Group, and from 2019 to 2023 as a post-doc in the laboratory of Prof. Claudia Longo, at the University of Campinas. She works in interdisciplinary areas like materials chemistry, physical chemistry and nanotechnology. Currently, she is a substitute professor at the Federal University of São Carlos. She has experience with carbon-based nanomaterials, composites, semiconductors and photoelectrochemistry. Her current interests are in the field of sustainable energy. Dr Luelc Souza da Costa is a transmission electron microscopy specialist at Brazilian Center for Research on Energy and Materials (CNPEM) at the Brazilian Nanotechnology National Laboratory (LNNano), Brazil. His PhD was completed at the State University of Campinas (Brazil). After that he did his first post-doctorate at the LNNano-CNPEM (Brazil). He works in interdisciplinary areas of nanotechnology such as catalysis and photocatalysis, materials chemistry, biomaterials and environmental science. He has experience with the synthesis of nanostructures with highly defined parameters, such as design, morphology and chemical composition and his current interests are in the field of instrumentation for TEM, CryoEm. MSc Leonardo Carvalho Soares received his Masters degree from the Federal University of Maranhão (UFMA - Brazil) in 2019. Currently, his is pursuing a PhD degree at the State University of Campinas (UNICAMP - Brazil). Recently, he worked as a visiting researcher at the University of Manchester (UoM - United Kingdom, 2022-2023). His work investigates the development of photoanodes based on BiVO reduction. Dr. Claudia Longo is an Associate Professor at Institute of Chemistry - UNICAMP, working with Teaching and Research, coordinating the "Group of Photoelectrochemistry & Energy Conversion". Her BSc (1991), MSc (1994) and PhD (1998) were received at the Institute of Chemistry - University of São Paulo - USP; she was a postdoctoral fellow at Université Pierre & Marie Curie (1999) and UNICAMP (2000-2003); visiting researcher at Universities of Texas-Arlington and California-Santa Cruz (2011, Capes-Fullbright). The publications reflected interests in solar energy conversion, comprising semiconductors synthesis, characterization, and application in solar cells, for the removal of contaminants of emerging concern from water and for producing "solar fuels" from photoelectrochemical CO Vanderlei Silva Lima obtained his Masters degree in chemistry, in 2018 from the University of São Paulo (USP, Brazil). There, he carried out research at the Laboratory of Electrocatalysis and Environmental Electrochemistry with a research project in biomass conversion (glycerol) in fuel cells. He is currently doing his PhD at the State University of Campinas (UNICAMP, Brazil), under the supervision of Prof. Dr Claudia Longo in the photoelectrochemistry and Energy Conversion Group with a research project on the photoelectrochemical reduction of CO |
ISSN: | 2633-5409 2633-5409 |
DOI: | 10.1039/d3ma01013a |