标题:Benign synthesis of ceria hollow nanocrystals by a template-free method
作者:Chen, Guozhu; Zhu, Fenfen; Sun, Xuan; Sun, Sixiu; Chen, Ruiping
作者机构:[Chen, Guozhu; Zhu, Fenfen; Sun, Xuan; Sun, Sixiu] Shandong Univ, Key Lab Colloid & Interface Chem, Minist Educ, Sch Chem & Chem Engn, Jinan 250100, P 更多
通讯作者:Sun, XA
通讯作者地址:[Sun, XA]Shandong Univ, Key Lab Colloid & Interface Chem, Minist Educ, Sch Chem & Chem Engn, Jinan 250100, Peoples R China.
来源:CRYSTENGCOMM
出版年:2011
卷:13
期:8
页码:2904-2908
DOI:10.1039/c0ce00758g
摘要:Ceria hollow nanocrystals with single-crystalline-like structure were prepared facilely by solvothermal synthesis free from templates, in which CeCl(3) was proposed to hydrolyze with the assistance of poly(vinylpyrrolidone) (PVP) in the water-ethanol mixed solvent. TEM and SEM analyses demonstrated the formation of CeO(2) hollow nanocrystals ascribed to a dissolution-recrystallization mechanism. It was found that both the counter ions of the cerium sources (e.g. CeCl(3), Ce(NO(3))(3) or (NH(4))(2)Ce(NO(3))(6)) and the composition of the solvent mixture were critical factors in determining the final morphology of CeO(2). The as-prepared CeO(2) hollow nanocrystals with high crystallinity exhibited a higher catalytic activity and thermal stability towards CO oxidation.
收录类别:SCOPUS;SCIE
WOS核心被引频次:47
Scopus被引频次:50
资源类型:期刊论文
原文链接:https://www.scopus.com/inward/record.uri?eid=2-s2.0-79953208692&doi=10.1039%2fc0ce00758g&partnerID=40&md5=5364e477bcfc23ca3750cf6f9b6107ce
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