Noble-metal/Cr2O3 core/shell nanoparticles as a cocatalyst for photocatalytic overall water splitting

被引:570
作者
Maeda, Kazuhiko
Teramura, Kentaro
Lu, Daling
Saito, Nobuo
Inoue, Yasunobu
Domen, Kazunari
机构
[1] Univ Tokyo, Sch Engn, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan
[2] SORST, JST, Kawaguchi, Saitama 3320012, Japan
[3] Nagaoka Univ Technol, Dept Chem, Nagaoka, Niigata 9402188, Japan
关键词
D O I
10.1002/anie.200602473
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Waterproof" coats: Rh/Cr2O3 (core/shell) nanoparticles supported on a (Ga1-xZnx)-(N 1-xOx) solid solution are synthesized by an in situ photodeposition method. These nanoparticles (see picture) are used as a promoter for overall water splitting upon visible-light irradiation (λ > 400 nm). Without the Cr2O3 shell water is formed from H 2 and O2 in an undesired back reaction. (Figure Presented). © 2006 Wiley-VCH Verlag GmbH & Co. KGaA."
引用
收藏
页码:7806 / 7809
页数:4
相关论文
共 24 条
[1]   Development of new photocatalytic water splitting into H2 and O2 using two different semiconductor photocatalysts and a shuttle redox mediator IO3 -/I- [J].
Abe, R ;
Sayama, K ;
Sugihara, H .
JOURNAL OF PHYSICAL CHEMISTRY B, 2005, 109 (33) :16052-16061
[2]   MECHANISM OF PHOTOCATALYTIC DECOMPOSITION OF WATER INTO H-2 AND O-2 OVER NIO - SRTIO3 [J].
DOMEN, K ;
KUDO, A ;
ONISHI, T .
JOURNAL OF CATALYSIS, 1986, 102 (01) :92-98
[3]   PHOTOCATALYTIC DECOMPOSITION OF WATER-VAPOR ON AN NIO-SRTIO3 CATALYST [J].
DOMEN, K ;
NAITO, S ;
SOMA, M ;
ONISHI, T ;
TAMARU, K .
JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1980, (12) :543-544
[4]   PHOTOCATALYTIC DECOMPOSITION OF WATER INTO H-2 AND O-2 OVER NIO-SRTIO3 POWDER .1. STRUCTURE OF THE CATALYST [J].
DOMEN, K ;
KUDO, A ;
ONISHI, T ;
KOSUGI, N ;
KURODA, H .
JOURNAL OF PHYSICAL CHEMISTRY, 1986, 90 (02) :292-295
[5]  
Gendre L.L., 1997, J EUR CERAM SOC, V17, P1813
[6]   An oxynitride, TaON, as an efficient water oxidation photocatalyst under visible light irradiation (λ ≤ 500 nm) [J].
Hitoki, G ;
Takata, T ;
Kondo, JN ;
Hara, M ;
Kobayashi, H ;
Domen, K .
CHEMICAL COMMUNICATIONS, 2002, (16) :1698-1699
[7]   Light-to-chemical energy conversion in lamellar solids and thin films [J].
Hoertz, PG ;
Mallouk, TE .
INORGANIC CHEMISTRY, 2005, 44 (20) :6828-6840
[8]   PHOTOCATALYTIC ACTIVITY OF ALKALI-METAL TITANATES COMBINED WITH RU IN THE DECOMPOSITION OF WATER [J].
INOUE, Y ;
KUBOKAWA, T ;
SATO, K .
JOURNAL OF PHYSICAL CHEMISTRY, 1991, 95 (10) :4059-4063
[9]   A novel photodeposition method in the presence of nitrate ions for loading of an iridium oxide cocatalyst for water splitting [J].
Iwase, A ;
Kato, H ;
Kudo, A .
CHEMISTRY LETTERS, 2005, 34 (07) :946-947
[10]   Photoreactions on LaTiO2N under visible light irradiation [J].
Kasahara, A ;
Nukumizu, K ;
Hitoki, G ;
Takata, T ;
Kondo, JN ;
Hara, M ;
Kobayashi, H ;
Domen, K .
JOURNAL OF PHYSICAL CHEMISTRY A, 2002, 106 (29) :6750-6753