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题名: Tunable Assembly of Organosilica Hollow Nanospheres
作者: Liu, Jian1;  Bai, Shiyang1, 2;  Zhong, Hua1;  Li, Can1;  Yang, Qihua1
通讯作者: 李灿 ;  杨启华
刊名: JOURNAL OF PHYSICAL CHEMISTRY C
发表日期: 2010-01-21
DOI: 10.1021/jp909931z
卷: 114, 期:2, 页:953-961
收录类别: SCI
文章类型: Article
部门归属: 5
项目归属: 506
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Nanoscience & Nanotechnology ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Science & Technology - Other Topics ;  Materials Science
英文摘要: Hollow nanospheres with a particle size of less than 25 nm have been successfully fabricated using all ethylene-, phenylene-, and 1,4-diethylphenylene-bridging silane precursor with F127 as a soft template under an acidic medium. As the size and flexibility of the bridging organic group increases, it is more and more difficult for the formation of hollow nanospheres. The organic additive, 1,3,5-trimethylbenzene, could finely tune the particle size of the nanosphere from 12 to 25 nm. It was found that silane precursors with hydrophobicity and slow hydrolysis rate favor the formation of hollow nanospheres and hydrophilic silane precursors such as tetra methoxysilane induce the formation of mesostructured bulk materials. Under the current synthesis conditions, carefully tuning the interaction between templates and silica species, organosilica hollow nanospheres with controlled composition call be successfully obtained.
关键词[WOS]: PERIODIC MESOPOROUS ORGANOSILICAS ;  MOLECULAR-SCALE ;  LARGE PORES ;  SILICA ;  WALL ;  SURFACTANT ;  SPHERES ;  SHELL ;  NANOPARTICLES ;  ORGANIZATION
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000273400400037
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/103179
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Liu, Jian,Bai, Shiyang,Zhong, Hua,et al. Tunable Assembly of Organosilica Hollow Nanospheres[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2010,114(2):953-961.
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