Template-Free and Scalable Synthesis of Core-Shell and Hollow BaTiO3 Particles: Using Molten Hydrated Salt as a Solvent
Tian Xuelin; Li Juan; Chen Kai; Han Jian; Pan Shilie
2009
发表期刊CRYSTAL GROWTH & DESIGN
ISSN1528-7483
卷号9期号:11页码:4927-4932
摘要

Molten hydrated salt was used, for the first time, as a new kind of solvent to explore the synthesis of complex oxide nanomaterials, Employing Ba(OH)(2)center dot 8H(2)O as the solvent, and rutile TiO2 as the reactant, core-shell and hollow nanoparticles of perovskite-type BaTiO3 were successfully fabricated under sealed conditions at 180 degrees C. No other additive was introduced into the reaction system. The effect of various reaction conditions on the morphology and size of the products was investigated. At high TiO2 dosage, core-shell BaTiO3 particles were the dominant products with their sizes between 400 and 800 nm, whereas relatively low TiO2 dosage favored the formation of hollow BaTiO3 particles less than 250 nm. The formation process of the products was investigated, and can be attributed to an Ostwald ripening induced hollowing mechanism. Because of its simplicity and scalability, the molten hydrated salt method may open up a promising route for the synthesis of complex oxide micro/nanomaterials for practical applications.

学科领域Chemistry ; Crystallography ; Materials Science
DOI10.1021/cg900700u
收录类别SCI
WOS记录号WOS:000271272900052
引用统计
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/1874
专题新疆维吾尔自治区电子信息材料与器件重点实验室
通讯作者Pan Shilie
作者单位1.Chinese Acad Sci, Xinjiang Key Lab Elect Informat Mat & Devices, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China
2.Chinese Acad Sci, Key Lab Plant Resources & Chem, Xinjiang Tech Inst Phys & Chem, Arid Area, Urumqi 830011, Peoples R China
3.Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Peoples R China
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Tian Xuelin,Li Juan,Chen Kai,et al. Template-Free and Scalable Synthesis of Core-Shell and Hollow BaTiO3 Particles: Using Molten Hydrated Salt as a Solvent[J]. CRYSTAL GROWTH & DESIGN,2009,9(11):4927-4932.
APA Tian Xuelin,Li Juan,Chen Kai,Han Jian,&Pan Shilie.(2009).Template-Free and Scalable Synthesis of Core-Shell and Hollow BaTiO3 Particles: Using Molten Hydrated Salt as a Solvent.CRYSTAL GROWTH & DESIGN,9(11),4927-4932.
MLA Tian Xuelin,et al."Template-Free and Scalable Synthesis of Core-Shell and Hollow BaTiO3 Particles: Using Molten Hydrated Salt as a Solvent".CRYSTAL GROWTH & DESIGN 9.11(2009):4927-4932.
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