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学科主题: Materials Science
题名: synthesis of bifeo3 nanoparticles by a low-heating temperature solid-state precursor method
作者: Wang Lei; Xu Jin-Bao; Gao Bo; Chang Ai-Min; Chen Jing; Bian Liang; Song Chun-Yan
通讯作者: Xu, JB
关键词: Nanostructures ; Thermogravimetric analysis ; X-ray diffraction ; Magnetic properties ; Optical properties
刊名: MATERIALS RESEARCH BULLETIN
发表日期: 2013
DOI: 10.1016/j.materresbull.2012.10.038
卷: 48, 期:2, 页:383-388
收录类别: SCI
资助者: Youth Science Foundation of Xinjiang Uygur Autonomous Region of China 2011211B49; One Hundred Talents Project Foundation Program and Western Light Talent Culture Project of Chinese Academy of Sciences Y12S311301
摘要: BiFeO3 nanoparticles were synthesized through low-heating temperature solid-state precursor method. Solid-state Bi(NO3)(3)center dot 5H(2)O, Fe(NO3)(3)center dot 9H(2)O and NaOH experience a chemistry reaction at room temperature, forming a nanometer-sized precursor, which is conducive to lowering the crystallization temperature of BiFeO3. Perovskite-type BiFeO3 forms at a much lower crystallization temperature at 425 degrees C without addition of organic agent. This method can greatly reduce the energy consumption and prevent Bi volatilization. The product was characterized by a variety of techniques such as TGA-DSC, XRD, SEM, FT-JR. VSM and UV-vis spectroscopy. The particle morphology changes from an average length of 80-100 to 400-500 nm as the annealing temperature increases from 450 to 600 degrees C. BiFeO3 prepared by this method can be an appropriate visible-light photovoltaic and photocatalytic material due to its strong absorption band in the visible region and smaller band gap (similar to 2.06 eV, BiFeO3 prepared at 600 degrees C). (c) 2012 Elsevier Ltd. All rights reserved.
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内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/2689
Appears in Collections:新疆维吾尔自治区电子信息材料与器件重点实验室_期刊论文

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作者单位: Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Xinjiang Key Lab Elect Informat Mat & Devices, Urumqi 830011, Peoples R China;Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China;Xinjiang Appl Vocat & Technol Coll, Kuitun 833200, Peoples R China;Shihezi Univ, Shihezi 832003, Peoples R China

Recommended Citation:
Wang Lei,Xu Jin-Bao,Gao Bo,et al. synthesis of bifeo3 nanoparticles by a low-heating temperature solid-state precursor method[J]. MATERIALS RESEARCH BULLETIN,2013,48(2):383-388.
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