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Synthesis of ordered mesoporous uranium dioxide by a nanocasting route
Zhao R(赵然); Wang L(王琳); Chai ZF(柴之芳); Shi WQ(石伟群); Zhao, R; Wang, L; Chai, ZF; Shi, WQ
刊名RADIOCHIMICA ACTA
2016
卷号104期号:8页码:549
关键词Porous materials phase transformation uranium dioxide nanocasting
DOI10.1515/ract-2015-2563
通讯作者石伟群
文章类型Article
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.
关键词[WOS]CRYSTALLINE WALLS ; OXIDE ; NANOPARTICLES ; NANOCRYSTALS ; PERFORMANCE ; IN2O3
语种英语
WOS记录号WOS:000381017600004
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/261103
专题院士_期刊论文
中国科学院高能物理研究所_多学科研究中心
作者单位中国科学院高能物理研究所
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Zhao R,Wang L,Chai ZF,et al. Synthesis of ordered mesoporous uranium dioxide by a nanocasting route[J]. RADIOCHIMICA ACTA,2016,104(8):549.
APA 赵然.,王琳.,柴之芳.,石伟群.,Zhao, R.,...&Shi, WQ.(2016).Synthesis of ordered mesoporous uranium dioxide by a nanocasting route.RADIOCHIMICA ACTA,104(8),549.
MLA 赵然,et al."Synthesis of ordered mesoporous uranium dioxide by a nanocasting route".RADIOCHIMICA ACTA 104.8(2016):549.
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