Synthesis of ordered mesoporous uranium dioxide by a nanocasting route

doi:10.1515/ract-2015-2563

	Synthesis of ordered mesoporous uranium dioxide by a nanocasting route
	Wang L(王琳); Chai, ZF; Shi WQ(石伟群); Shi, WQ; Zhao, R; Wang, L; Chai ZF(柴之芳); Zhao R(赵然)
刊名	RADIOCHIMICA ACTA
	2016
卷号	104 期号:8 页码:549
关键词	Porous materials phase transformation uranium dioxide nanocasting
DOI	10.1515/ract-2015-2563
通讯作者	石伟群
英文摘要	Ordered mesoporous UO2 with 3-D structure (for UO2-KIT-6) and nanowire bundles (for UO2-SBA-15) was synthesized for the first time by a nanocasting route using different ordered mesoporous silica (KIT-6 and SBA-15, respectively) as templates and uranyl nitrate hexahydrate as the metal precursor. The uranyl nitrate was impregnated into the mesopore of the silica template and was converted to U3O8 after the first step. The synthesis of ordered UO2 mesostructure was achieved by reducing the mesoporous U3O8 with silica composites under 5% H-2/Ar atmosphere at 700 degrees C, followed by a template removal process. The as-prepared UO2-KIT-6 had a particle size of several millimeters, and was constructed with uncoupled subframework mesostructure and crystalline walls, while UO2-SBA-15 possessed a rope-like morphology and consisted of nanowire arrays. The surface area and pore volume of ordered UO2 mesostructure are 47.2m(2) g(-1) and 0.23 cm(3) g(-1) for the UO2-KIT-6, and 54.4m(2) g(-1) and 0.28 cm(3) g(-1) for the UO2-SBA-15, respectively.
语种	英语
WOS记录号	WOS:000381017600004
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/261103]
专题	高能物理研究所_院士高能物理研究所_多学科研究中心
作者单位	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	Wang L,Chai, ZF,Shi WQ,et al. Synthesis of ordered mesoporous uranium dioxide by a nanocasting route[J]. RADIOCHIMICA ACTA,2016,104(8):549.
APA	王琳.,Chai, ZF.,石伟群.,Shi, WQ.,Zhao, R.,...&赵然.(2016).Synthesis of ordered mesoporous uranium dioxide by a nanocasting route.RADIOCHIMICA ACTA,104(8),549.
MLA	王琳,et al."Synthesis of ordered mesoporous uranium dioxide by a nanocasting route".RADIOCHIMICA ACTA 104.8(2016):549.