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题名: Preparation and performances of nanosized Ta2O5 powder photocatalyst
作者: Zhu, ZF;  Yu, F;  Man, Y;  Tian, QY;  He, Y;  Wu, NZ
关键词: nanosized ;  photocatalytic ;  Ta2O5
刊名: JOURNAL OF SOLID STATE CHEMISTRY
发表日期: 2005
DOI: 10.1016/j.jssc.2004.11.015
卷: 178, 期:1, 页:224-229
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Inorganic & Nuclear ;  Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Nanosized-Ta2O5 powder photocatalyst was successfully synthesized by using sol-gel method via TaCl5 butanol solution as a precursor. Ta2O5 species can be formed under 500degreesC via the decomposition of the precursor. The crystalline phase of Ta2O5 powder photocatalyst can be obtained after being calcined above 600 degreesC for 4 h. The crystal size and particle size of Ta2O5 powder photocatalyst was about 50 nm. A good photocatalytic performance for the degradation of gaseous formaldehyde was obtained for the nanosized-Ta2O5 powder. The Ta2O5,05 powder formed at 700 degreesC for 4 H and at 650 degreesC for 12 H showed the best performance. The calcination temperature and time play an important role in the crystallization and photocatalytical performance of nanosized-Ta2O5 powder. (C) 2004 Elsevier Inc. All rights reserved.
关键词[WOS]: SOLVOTHERMAL SYNTHESIS ;  TANTALUM OXIDE ;  DECOMPOSITION ;  WATER ;  KTAO3
语种: 英语
WOS记录号: WOS:000227042200034
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139666
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Tsing Hua Univ, Dept Chem, State Key Lab Organ Optoelect & Mol Engn, Beijing 100084, Peoples R China
2.Peking Univ, Inst Chem Phys, State Key Lab Struct Chem Unstable & Stable Speci, Beijing 100871, Peoples R China

Recommended Citation:
Zhu, ZF,Yu, F,Man, Y,et al. Preparation and performances of nanosized Ta2O5 powder photocatalyst[J]. JOURNAL OF SOLID STATE CHEMISTRY,2005,178(1):224-229.
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