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题名: Growth Mechanism, Modified Morphology and Optical Properties of Coral-like BaTiO3 Architecture through CTAB Assisted Synthesis
作者: Zhao, PJ (Zhao, Pengjun); Wang, L (Wang, Lei); Bian, L (Bian, Liang); Xu, JB (Xu, Jinbao); Chang, AM (Chang, Aimin); Xiong, XQ (Xiong, Xinqian); Xu, FL (Xu, Fanglong); Zhang, JQ (Zhang, Jiaqi)
通讯作者: Xu, JB
关键词: BaTiO3 ; Halogen doping ; Hydrothermal synthesis ; Coral-like ; Cetyltrimethyl ammonium bromide (CTAB) ; Optical properties
刊名: JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
发表日期: 2015
DOI: 10.1016/j.jmst.2014.04.002
卷: 31, 期:2, 页:223-228
收录类别: SCI
资助者: One Hundred Talents Project Foundation Program;Western Light Talent Culture Project of Chinese Academy of Sciences;National Natural Science Foundation of China;International Technology Cooperation Foundation of Autonomous Region
摘要: Three-dimensional hierarchical structure coral-like BaTiO3 nanoparticles have been self-assembled by a facile one step hydrothermal method. Cetyltrimethyl ammonium bromide (CTAB), Ba(OH)(2)center dot 8H2O and tetrabutyl titanate have been used as precursors. The prepared BaTiO3 exhibits cubic perovskite phase at room temperature, and the coral-like architecture is a micro-nano hiberarchy consisted of dendrimer-like structure and trunk-like structure. By adjusting the hydrothermal duration and the precursor substances, a surfactant induced mechanism is proposed to understand the self-assembly process. UV-vis measurement demonstrates that the as-prepared BaTiO3 nanoparticles exhibit dozens of times overwhelming absorptive character compared to the ordinary nanospheres at ultraviolet band, which is benefited from the coral-like porous framework. Moreover, halogen anions(F-, Cl-, Br-, and I-) have been chosen to adjust the coral-like BaTiO3 physical properties. Results show the halogen doping produces distinct modulation effect on the grain size, UV-vis absorbance and photoluminescence properties of the materials. The coral-like BaTiO3 nanoparticle and its halogen modified ramifications offer significant opportunities to develop nano-laser devices, photon detectors, photocatalyst based on BaTiO3 perovskite materials.
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内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/4206
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, Key Lab Funct Mat & Devices Special Environm, Urumqi 830011, Peoples R China;Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Zhao, PJ ,Wang, L ,Bian, L ,et al. Growth Mechanism, Modified Morphology and Optical Properties of Coral-like BaTiO3 Architecture through CTAB Assisted Synthesis[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2015,31(2):223-228.
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