Controlled synthesis of special morphologies cerium carbonate by PAH

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Controlled synthesis of special morphologies cerium carbonate by PAH

LI Mei1，2，HU Yanhong1，2，LIU Zhaogang2，WANG Xuefeng2，WANG Mitang2

1School of Materials Science and Engineering，Beijing University of Chemical Engineering，Beijing 100029，China；2School of Materials and Metallurgy，Inner Mongolia University of Science and Technology，Key Laboratory of New Technologies of Modern Metallurgy and Application of Rare Materials，Baotou 014010，Inner Mongolia，China

Online:2014-04-05 Published:2014-04-05

聚烯丙基氯化铵调控制备特殊形貌的碳酸铈

李梅1，2，胡艳宏1，2，柳召刚2，王学峰2，王觅堂2

1北京化工大学材料科学与工程学院，北京 100029；2内蒙古科技大学材料与冶金学院，内蒙古自治区高效稀土现代冶金新技术与应用重点实验室，内蒙古包头 014030

Abstract

Abstract: The regular petal shaped Ce2(CO3)3 particles were prepared in the liquid phase system by using poly allylamine hydrochloride(PAH) as template. The role of PAH in the above process was investigated by changing the feeding mode，PAH concentration，and reaction temperature. In the process of preparation of Ce2(CO3)3 particle，PAH and Ce3+ formed π-allyl and complex to induce the formation of he petal shaped crystal nucleus of Ce2(CO3)3 and control the morphology and size of Ce2(CO3)3 particle.

Key words: preparation, complexes, cerium carbonate, particle

摘要： 以阳离子聚电解质聚烯丙基氯化铵（PAH）为模板剂，采用液相沉淀法制备出规则形貌的花瓣状碳酸铈粒子。通过改变加料方式、PAH浓度、反应温度等因素，研究PAH在其中的作用。研究认为，PAH在制备碳酸铈粒子过程中，PAH与Ce3+形成π-烯丙基络合物，诱导花瓣状碳酸铈晶核的形成，从而控制碳酸铈粒子的形貌及其尺寸大小。

关键词: 制备, 配合物, 碳酸铈, 粒子

LI Mei1，2，HU Yanhong1，2，LIU Zhaogang2，WANG Xuefeng2，WANG Mitang2. Controlled synthesis of special morphologies cerium carbonate by PAH[J]. Chemical Industry and Engineering Progree.

李梅1，2，胡艳宏1，2，柳召刚2，王学峰2，王觅堂2. 聚烯丙基氯化铵调控制备特殊形貌的碳酸铈[J]. 化工进展.

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Controlled synthesis of special morphologies cerium carbonate by PAH

聚烯丙基氯化铵调控制备特殊形貌的碳酸铈

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