Enhanced photocatalytic water splitting by BaLa4Ti4O15 loaded with ∼1 nm gold nanoclusters using glutathione-protected Au25 clusters

被引:106
作者
Negishi, Yuichi [1 ,2 ]
Mizuno, Masahiro [1 ]
Hirayama, Michiyo [1 ]
Omatoi, Mamiko [1 ]
Takayama, Tomoaki [1 ]
Iwase, Akihide [1 ,2 ]
Kudo, Akihiko [1 ,2 ]
机构
[1] Tokyo Univ Sci, Dept Appl Chem, Fac Sci, Shinjuku Ku, Tokyo 1628601, Japan
[2] Tokyo Univ Sci, Res Inst Sci & Technol, Energy & Environm Photocatalyst Res Div, Shinjuku Ku, Tokyo 1628601, Japan
关键词
LIGAND-EXCHANGE; ALLOY NANOMOLECULES; VISIBLE-LIGHT; NANOPARTICLES; STABILITY; SIZE; COMPLEXES; CATALYSIS; ORIGIN; AG;
D O I
10.1039/c3nr01888a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Glutathione-protected Au-25 clusters were used to load monodisperse gold nanoclusters (1.2 +/- 0.3 nm) onto BaLa4Ti4O15 to create photocatalysts. The photocatalytic activity of the resulting material for water splitting was determined to be 2.6 times higher than that of catalysts loaded with larger gold nanoparticles (10-30 nm) via conventional photodeposition.
引用
收藏
页码:7188 / 7192
页数:5
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