高等学校化学学报 ›› 2000, Vol. 21 ›› Issue (9): 1344.

• 论文 • 上一篇    下一篇

酒石酸根离子控制锑白粉末结构形貌的模板作用行为

李启厚, 肖松文, 刘志宏, 郭学益, 张多默   

  1. 中南工业大学冶金科学与工程系, 长沙 410083
  • 收稿日期:1999-11-03 出版日期:2000-09-24 发布日期:2000-09-24
  • 通讯作者: 李启厚(1973年出生),男,博士研究生,主要从事液相化学制备粉体材料及粉末结构形貌控制研究.
  • 基金资助:

    国家自然科学基金(批准号:59774018)资助

Template Effect of Tartrate Ion on the Morphology of Antimony Trioxide

LI Qi-Hou, XIAO Song-Wen, LIU Zhi-Hong, GUO Xue-Yi, ZHANG Duo-Mo   

  1. Department of Non-ferrous Metallurgy, Center South University of Technology, Changsha 410083, China
  • Received:1999-11-03 Online:2000-09-24 Published:2000-09-24

摘要: 采用中和转化法制备锑白(Sb2O3),并用XRD,IR和SEM等方法分析测试了产物结构形貌.从结晶化学角度,结合负离子配位多面体生长基元理论探讨了酒石酸根离子对锑白结构形貌的控制规律.认为酒石酸根离子的强配位能力使溶液中生长基元由SbO3E配位四面体转化为SbO3+3E星状配位体是立方晶型锑白形成的主要原因.

关键词: 锑白, 模板作用, 分子识别, 负离子配位多面体, 生长基元

Abstract: This paper describes the influence of tartrate ions on the crystal growth and morphology of antimony white(Sb2O3), which was characterized by XRD, IRand SEM. The relationship between the orientation of tartrate ions and the morphology of Sb2O3 was studied from the standpoint of crystal chemistry, and the formation mechanism of Sb2O3 with different morphologies was analyzed according to the theoretical model of the growth units with coordinative polyhedron structure of anion. It revealed that the products transformed from the orthombic Sb2O3 to the cubic Sb2O3 due to the molecular recognition of tartrate anion with a strong coordination ability, which changed the original growth unit of SbO3Ecoordinative tetrahedron into the growth unit of SbO 3+3Estellar quadrangle.

Key words: Antimony white(Sb2O3), Template effect, Molecular recoginition, Anion coordinative polyhedron, Growth unit

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