Harnessing titanium dioxide surface toward novel functional materials

The ever-increasing worldwide energy consumption has led the society to quest for novel and functional materials that can be used in the development of solar fuels to some extent lessen the dependence on fossil fuels. In this context, the role of titanium dioxide has been investigated to generate ve...

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Detalhes bibliográficos
Autores: Solera-Rojas, José A., Rapp, Christin K., Rivera-Martínez, M. Cinthya, Pineda, Leslie W.
Formato: artículo
Estado:Versión publicada
Fecha de publicación:2016
País:Costa Rica
Recursos:Universidad de Costa Rica
Repositorio:Portal de Revistas UCR
Idioma:inglés
OAI Identifier:oai:portal.ucr.ac.cr:article/25387
Acesso em linha:https://revistas.ucr.ac.cr/index.php/cienciaytecnologia/article/view/25387
Access Level:acceso abierto
Palavra-chave:dióxido de titanio
celdas solares sensibilizadas con tintes
celdas fotoelectroquímicas
reacción oxidación del agua
combustibles solares
modificación de superficie
titanium dioxide
dye-sensitized solar cells
photoelectrochemical cells
wateroxidation reaction
solar fuels
surface modification
Descrição
Resumo:The ever-increasing worldwide energy consumption has led the society to quest for novel and functional materials that can be used in the development of solar fuels to some extent lessen the dependence on fossil fuels. In this context, the role of titanium dioxide has been investigated to generate versatile materials able to harness the light emitted by the Sun. Thus, the main research avenues of such semiconductor oxide are focus on dye-sensitized solar cells (DSSCs) and photoelectrochemical cells for the oxidation of water molecule. Indeed, the modification of the semiconductor oxide surface by band-gap engineering greatly enhances its optical properties and catalytic activity. In this review, we address some fundamental issues regarding structural, optical and electronic properties that render TiO2 a versatile substrate in surface chemistry, and as entry for anchoring and functionalization strategies for the development of solar cell devices and catalytically active surfaces.