Sensitization of polycrystalline SrTiO3 photoanodes by lanthanum doping.

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概要

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• The behaviors of polycrystalline La<I><SUB>x</SUB></I>Sr<SUB>1−<I>x</I></SUB>TiO<SUB>3</SUB>(<I>x</I>≤0.05) electrodes in a photoelectrochemical cell for water decomposition have been investigated in aqueous NaOH electrolyte. The lanthanum substitution for strontium resulted in impressive visible photosensitization of the corresponding electrodes under anodic polarization. This visible photoresponse is based on the relatively deep subband gap states introduced into the forbidden band by lanthanum doping, in analogy with the polished undoped SrTiO<SUB>3</SUB> electrodes reported previously.

• 公益社団法人 日本化学会の論文

著者

• Claverie Jean

  Laboratoire de Chimie du Solide du C.N.R.S., Université de Bordeaux I

関連論文

• Sensitization of polycrystalline SrTiO3 photoanodes by lanthanum doping.

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