Direct deposition of trivalent rhodium hydroxide nanoparticles onto a semiconducting layered calcium niobate for photocatalytic hydrogen evolution

被引：129

作者：

Hata, Hideo ^{[1
]}

Kobayashi, Yoji ^{[1
]}

Bojan, Vince ^{[2
]}

Youngblood, W. Justin ^{[1
]}

Mallouk, Thomas E. ^{[1
]}

机构：

[1] Penn State Univ, Dept Chem, University Pk, PA 16802 USA

[2] Penn State Univ, Mat Res Inst, University Pk, PA 16802 USA

来源：

NANO LETTERS | 2008年 / 8卷 / 03期

关键词：

D O I：

10.1021/nl072571w

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Well-dispersed Rh(OH)3 nanoparticles were deposited in the interlayer galleries of a Dion - Jacobson type layered perovskite (ACa(2)Nb(3)O(10): A = H or K). X-ray photoelectron spectra and potential measurements suggest covalent bonding (Rh - O - Nb) between the nanoparticles and the niobate sheets. After calcination of Rh(OH)(3)/KCa2Nb3O10 at 350 degrees C in air, interlayer Rh(OH)(3) nanoparticles were transformed to Rh2O3 and showed higher photocatalytic activity for hydrogen evolution using methanol as a sacrificial electron donor.

引用

页码：794 / 799

页数：6

共 31 条

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