| 草酸根离子诱导PbWO4有序纳米结构的合成和生长机理 |
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| 引用本文： | 方义,周元林,熊鹰,房刚. 草酸根离子诱导PbWO4有序纳米结构的合成和生长机理[J]. 材料研究学报, 2010, 24(3) |
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| 作者姓名： | 方义 周元林 熊鹰 房刚 |
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| 作者单位： | 四川省非金属复合与功能材料重点实验室-省部共建国家重点实验室培育基地西南科技大学,绵阳,621010;四川省非金属复合与功能材料重点实验室-省部共建国家重点实验室培育基地西南科技大学,绵阳,621010;四川省非金属复合与功能材料重点实验室-省部共建国家重点实验室培育基地西南科技大学,绵阳,621010;四川省非金属复合与功能材料重点实验室-省部共建国家重点实验室培育基地西南科技大学,绵阳,621010 |
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| 基金项目： | 国家自然科学基金委员会-中国工程物理研究院联合基金10876033资助项目~~ |
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| 摘 要： | 采用直接沉淀法制备PbWO_4有序纳米结构,以草酸根双羧基阴离子为其生长阶段结构导向剂。使用X射线粉末衍射(XRD)、扫描电子显微镜(SEM)、红外光谱(IR)和透射电子显微镜(TEM)等手段对其表征,研究了草酸根离子在PbWO_4纳米晶生长阶段的控制作用,并提出了PbWO_4有序纳米结构的形成机理.
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| 关 键 词： | 无机非金属材料 钨酸铅 草酸根 控制合成 有序纳米结构 |
Oxalate-induced Synthesis and Growth Mechanism of PbWO_4 Ordered Nanostructures |
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| FANG Yi ZHOU Yuanlin XIONG Ying FANG Gang. Oxalate-induced Synthesis and Growth Mechanism of PbWO_4 Ordered Nanostructures[J]. Chinese Journal of Materials Research, 2010, 24(3) |
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| Authors: | FANG Yi ZHOU Yuanlin XIONG Ying FANG Gang |
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| Affiliation: | FANG Yi ZHOU Yuanlin~(**) XIONG Ying FANG Gang (State Key Laboratory Cultivation Base for Nonmetal Composite , Functional Materials,Southwest University of Science , Technology,Mianyang 621010) |
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| Abstract: | Ordered PbWO_4 nanostructures were synthesized by a direct precipitation method,and the oxalate anions with double carboxyl were employed as structure-directing agents in the growth stage of PbWO_4 nanocrystals.The PbWO_4 nanostructures were characterized by X-ray power diffraction(XRD), scanning electron microscopy(SEM),infra-red spectrum(IR) and transmission electron microscopy(TEM). The control role of the oxalate anions in the growth stage of PbWO_4 nanocrystals was investigated and formation mechanism ... |
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| Keywords: | inorganic non-metallic materials lead tungstate oxalate controlled-synthesis ordered nanostructures |
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