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题名: Photoinduced Topotactic Growth of Bismuth Nanoparticles from Bulk SrBi2Ta2O9
作者: Yingxuan Li , Ling Zang , Yan Li , Yun Liu , Chunyan Liu , Ying Zhang , Hongquan He , and Chuanyi Wang
通讯作者: Chuanyi Wang
关键词: Bi nanoparticles ; SrBi2Ta2O9 ; photoreduction ; oriented growth
刊名: CHEMISTRY OF MATERIALS
发表日期: 2013
DOI: 10.1021/cm400065x
卷: 25, 期:10, 页:2045–2050
收录类别: SCI
摘要: In situ growth of bismuth (Bi) nanoparticles on bulk SrBi2Ta2O9 (SBT) platelet is achieved by UV light illumination of SBT in aqueous glucose solutions. Interestingly, the as-produced Bi nanoparticles (NPs) are uniformly oriented with the epitaxial relationship of [001]Bi//[110]SBT, appearing as meso-single-crystal phase despite spatial separation between the NPs. Systematic investigations indicate that Bi(III) at the (110)SBT plane is topotactically reduced by photogenerated electrons, producing Bi atoms serving as nucleation seeds oriented from the (003) plane. Further growth of these oriented nuclei leads to formation of Bi NPs arranged laterally in mesocrystalline superstructure. The reported finding presents a simple, environmentally friendly approach toward preparation of highly organized, surface supported metal NPs through direct photoreduction of bulk metal oxides.
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内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/2548
Appears in Collections:环境科学与技术研究室_期刊论文

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作者单位: Chinese Acad Sci, LEMST, Xinjiang Tech Inst Phys & Chem, Key Lab Funct Mat & Devices Special Environm, Urumqi 830011, Xinjiang, Peoples R China;Univ Chinese Acad Sci, Beijing 100049, Peoples R China;Univ Utah, Dept Mat Sci & Engn, Salt Lake City, UT 84108 USA;Chinese Acad Sci, Tech Inst Phys & Chem, Key Lab Photochem Convers & Optoelect Mat, Beijing 100190, Peoples R China

Recommended Citation:
Yingxuan Li , Ling Zang , Yan Li , Yun Liu , Chunyan Liu , Ying Zhang , Hongquan He , and Chuanyi Wang. Photoinduced Topotactic Growth of Bismuth Nanoparticles from Bulk SrBi2Ta2O9[J]. CHEMISTRY OF MATERIALS,2013,25(10):2045–2050.
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文件名: Photoinduced Topotactic Growth of Bismuth Nanoparticles from Bulk SrBi2Ta2O9.pdf
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