Crucial impact of reduction on the photocarrier dynamics of SrTiO3 powders studied by transient absorption spectroscopy

Inducing oxygen vacancy defects in SrTiO3 powders via high temperature treatment in the presence of a mixture of Ar, O2, dry air, and H2 ambient gases is a promising strategy to produce homogeneously defective SrTiO3 photocatalysts with a remarkable 40-fold enhancement of H2 evolution activity. Elec...

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Veröffentlicht in:	Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2019, Vol.7 (45), p.26139-26146
Hauptverfasser:	Junie Jhon M Vequizo, Nishioka, Shunta, Hyodo, Junji, Yamazaki, Yoshihiro, Maeda, Kazuhiko, Yamakata, Akira
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption spectroscopy Conduction Conduction bands Defects Doping Electron traps Gases High temperature High temperature effects Hydrogen production Oxygen Photocatalysts Reduction Spectrum analysis Strontium titanates Traps Vacancies Wavelengths
Online-Zugang:	Volltext
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