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Promotion effect of nanosized pt, ruo2 and niox loading on visible light-driven photocatalysts k4ce2m10o30 (m = ta, nb) for hydrogen evolution from water decomposition

文献类型:期刊论文

作者Tian, Mengkul; Shangguan, Wenfeng; Yuan, Jian; Wang, Shijie; Ouyang, Ziyuan
刊名Science and technology of advanced materials
出版日期2007
卷号8期号:1-2页码:82-88
关键词Visible-light driven Photocatalyst K4ce2m10o30(m = ta Water decomposition Nb)
ISSN号1468-6996
DOI10.1016/j.stam.2006.09.001
通讯作者Shangguan, wenfeng(shangguan@sjtu.edu.cn)
英文摘要Metal oxide photocatalysts k4ce2m10o30 (m = ta, nb) capable of responding to visible light were synthesized by conventional high temperature solid-state reaction. the photocatalysts have an appropriate band gap energy ca. 1.8-2.3 ev and excellent chemical potential level to evolve h-2 from aqueous solutions containing a sacrificial electron donor (na2so3) under visible light irradiation (lambda > 420 nm) without any co-catalyst. when they were loading with pt, ruo2 and niox, the activities for evolving h-2 were prompted markedly. by sem and tem investigations, it can be seen that these loading metal and metal oxides are dispersed on the surface of photocatalysts k4ce2m10o30 (m = ta, nb) in diameter of about 10-30 nm particles, especially the niox loading even formed double layered structure with metal nickel (ni) and metal oxide (nio). the reasons for the increasing activities after these loading may be attributable to facilitate electron migrating from the conduction band of k4ce2m10o30 (m = ta, nb) to the pt, ruo2 and niox nanoparticles, which function as h-2 production sites on the surface of catalysts. the same phenomenon appears on the solid solution k4ce2ta10-xnbxo30 (x = 0-10) with loading ruo2. (c) 2006 nims and elsevier ltd. all rights reserved.
WOS关键词H-2 ; O-2
WOS研究方向Materials Science
WOS类目Materials Science, Multidisciplinary
语种英语
WOS记录号WOS:000245537400015
出版者NATL INST MATERIALS SCIENCE
URI标识http://www.irgrid.ac.cn/handle/1471x/2380136
专题中国科学院大学
通讯作者Shangguan, Wenfeng
作者单位1.Shanghai Jiao Tong Univ, Res Ctr Combust & Environm Technol, Shanghai 200030, Peoples R China
2.Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Guiyang 550002, Guizhou, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100047, Peoples R China
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Tian, Mengkul,Shangguan, Wenfeng,Yuan, Jian,et al. Promotion effect of nanosized pt, ruo2 and niox loading on visible light-driven photocatalysts k4ce2m10o30 (m = ta, nb) for hydrogen evolution from water decomposition[J]. Science and technology of advanced materials,2007,8(1-2):82-88.
APA Tian, Mengkul,Shangguan, Wenfeng,Yuan, Jian,Wang, Shijie,&Ouyang, Ziyuan.(2007).Promotion effect of nanosized pt, ruo2 and niox loading on visible light-driven photocatalysts k4ce2m10o30 (m = ta, nb) for hydrogen evolution from water decomposition.Science and technology of advanced materials,8(1-2),82-88.
MLA Tian, Mengkul,et al."Promotion effect of nanosized pt, ruo2 and niox loading on visible light-driven photocatalysts k4ce2m10o30 (m = ta, nb) for hydrogen evolution from water decomposition".Science and technology of advanced materials 8.1-2(2007):82-88.

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