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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 ; EI
摘要: BiFeO3 nanoparticles were synthesized through low-heating temperature solid-state precursor method. Solid-state Bi(NO3) 3·5H2O, Fe(NO3)3· 9H2O 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 BiFeO 3 forms at a much lower crystallization temperature at 425 °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-IR, 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 °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 (∼2.06 eV, BiFeO3 prepared at 600 °C).
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内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/3899
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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