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题名:
Crystal structural, optical properties and mott-schottky plots of p-type Ca doped CuFeO2 nanoplates
作者: Xiong, Dehua1,2; Zhang, Qingqing1; Verma, Santosh Kumar1; Bao, Xiao-Qing3; Li, Hong1; Zhao, Xiujian1
刊名: MATERIALS RESEARCH BULLETIN
出版日期: 2016-11-01
卷号: 83, 页码:141-147
关键词: Semiconductors ; Nanostructures ; Crystal growth ; Optical properties ; Crystal structure
DOI: 10.1016/j.materresbull.2016.05.031
文章类型: Article
英文摘要: We first report a facile hydrothermal method to synthesize Ca doped 3R-CuFeO2 nanoplates with 100-400 x 15-40 nm(2) at 100 degrees C for 24 h. The Ca dopants have a significant effect on the crystal structure of CuFeO2, as our investigation shows clearly that the Ca2+ ions were successfully doped into the CuFeO2 lattice and substituted Cu+ ion, resulting in the formation of Cui(1-2x)Ca(x)FeO(2) solid solution of a rhombohedral 3 R structure. Furthermore, the calculated direct bandgap energies of (Ca doped) CuFeO2 nanoplates were estimated to be 3.20-3.40 eV, and the optical bandgaps decreased with increasing concentration of Ca dopant. The mott-schottky anaylsis results indicated that (Ca doped) CuFeO2 nanoplates have a p-type semiconductor behavior, and the carrier density of these CuFeO2 based nanoplates around 10(20) cm(-3), which also decreased with increasing concentration of Ca dopant due to the Ca2+ ion replacement of a part of Cu+ ions. (C) 2016 Elsevier Ltd. All rights reserved.
WOS标题词: Science & Technology ; Technology
类目[WOS]: Materials Science, Multidisciplinary
研究领域[WOS]: Materials Science
关键词[WOS]: SENSITIZED SOLAR-CELLS ; LITHIUM-ION BATTERIES ; TEMPERATURE HYDROTHERMAL METHODS ; TRANSPARENT THIN-FILMS ; SOLID-STATE SYNTHESIS ; DELAFOSSITE CUFEO2 ; CUPROUS DELAFOSSITES ; PHYSICAL-PROPERTIES ; ROOM-TEMPERATURE ; AQUEOUS-SOLUTION
收录类别: SCI
项目资助者: National Natural Science Foundation of China(51402223 ; China Postdoctoral Science Foundation(2014M552098 ; 51461135004) ; 2015T80847)
语种: 英语
WOS记录号: WOS:000382793400018
ISSN号: 0025-5408
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6474
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Wuhan Univ Technol, State Key Lab Silicate Mat Architectures, Wuhan 430070, Peoples R China
2.Wuhan Univ Technol, Natl Engn Lab Fiber Opt Sensing Technol, Wuhan 430070, Peoples R China
3.Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Micro Fabricat, Box 350, Chengdu, Peoples R China

Recommended Citation:
Xiong, Dehua,Zhang, Qingqing,Verma, Santosh Kumar,et al. Crystal structural, optical properties and mott-schottky plots of p-type Ca doped CuFeO2 nanoplates[J]. MATERIALS RESEARCH BULLETIN,2016,83:141-147.
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