Strategies for the synthesis of complex oxides for application as light-responsive electrodes in photoelectrochemical cells - a review

Autor(es)

Macedo, Nadia Guerra ; Alvim, Jessica Costa ; Soares, Leonardo Carvalho ; da Costa, Luelc Souza ; Galante, Miguel Tayar ; Lima, Vanderlei Silva ; Longo, Claudia

• Tipo de documento: Artigo Científico
• Fonte: MATERIALS ADVANCES; v. 5, n. 11, p. 22-pg., 2024-04-25.

Resumo

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 H2 from water splitting and C-based products from CO2 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. (AU)

• Processo FAPESP: 19/09838-3 - EMU concedido pelo Projeto FAPESP 2017/11986-5: sistema integrado de medidas fotoeletroquímicas
• Beneficiário: Ana Flávia Nogueira
• Modalidade de apoio: Auxílio à Pesquisa - Programa Equipamentos Multiusuários
• Processo FAPESP: 17/11986-5 - Geração e Armazenamento de Novas Energias: trazendo desenvolvimento tecnológico para o país
• Beneficiário: Ana Flávia Nogueira
• Modalidade de apoio: Auxílio à Pesquisa - Programa Centros de Pesquisa em Engenharia
• Processo FAPESP: 21/05853-8 - Fotoeletrodos de difusão gasosa de tungstatos de cobre para aplicação na reação de redução de CO2 fotoassistida
• Beneficiário: Jessica Costa Alvim
• Modalidade de apoio: Bolsas no Brasil - Doutorado Direto