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题名: Assembling Photoluminescent Silicon Nanocrystals into Periodic Mesoporous Organosilica
作者: Guan, M; Wang, WD; Henderson, EJ; Dag, O; Kubel, C; Chakravadhanula, VSK; Rinck, J; Moudrakovski, IL; Thomson, J; McDowell, J; Powell, AK; Zhang, HX(张海霞); Ozin, GA
收录类别: SCIE ; EI ; PubMed ; BIOSIS
出版日期: 2012-05-23
刊名: JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷号: 134, 期号:20, 页码:8439-8446
出版者: AMER CHEMICAL SOC
出版地: WASHINGTON
英文摘要: A contemporary question in the intensely active field of periodic mesoporous organosilica (PMO) materials is how large a silsesquioxane precursor can be self-assembled under template direction into the pore walls of an ordered mesostructure. An answer to this question is beginning to emerge with the ability to synthesize dendrimer, buckyball, and polyhedral oligomeric silsesquioxane PMOs. In this paper, we further expand the library of large-scale silsesquioxane precursors by demonstrating that photoluminescent nanocrystalline silicon that has been surface-capped with oligo(triethoxysilylethylene), denoted as ncSi:(CH2CH2Si(OEt)(3))(n)H, can be self-assembled into a photoluminescent nanocrystalline silicon periodic mesoporous organosilica (ncSi-PMO). A comprehensive multianalytical characterization of the structural and optical properties of ncSi-PMO demonstrates that the material gainfully combines the photoluminescent properties of nanocrystalline silicon with the porous structure of the PMO. This integration of two functional components makes ncSi-PMO a promising multifunctional material for optoelectronic and biomedical applications.
作者部门: [Guan, Min ; Zhang, Haixia] Lanzhou Univ, Dept Chem, Lanzhou 730000, Peoples R China ; [Guan, Min ; Wang, Wendong ; Henderson, Eric J. ; Dag, Omer ; Thomson, Jordan ; McDowell, Jeffrey ; Ozin, Geoffrey A.] Univ Toronto, Mat Chem & Nanochem Res Grp, Ctr Inorgan & Polymer Nanomat, Dept Chem, Toronto, ON M5S 3H6, Canada ; [Dag, Omer] Bilkent Univ, Dept Chem, TR-06800 Ankara, Turkey ; [Kuebel, Christian ; Chakravadhanula, Venkata Sai Kiran ; Powell, Annie K.] KIT, Inst Nanotechnol, D-76344 Eggenstein Leopoldshafen, Germany ; [Kuebel, Christian] Karlsruhe Nano Micro Facil, D-76344 Eggenstein Leopoldshafen, Germany ; [Rinck, Julia] Karlsruhe Inst Technol, DFG Ctr Funct Nanostruct CFN, D-76131 Karlsruhe, Germany ; [Moudrakovski, Igor L.] Natl Res Council Canada, Steacie Inst Mol Sci, Ottawa, ON K1A 0R6, Canada ; [Powell, Annie K.] Karlsruhe Inst Technol, Inst Inorgan Chem, D-76131 Karlsruhe, Germany
通讯作者: Zhang, HX (reprint author), Lanzhou Univ, Dept Chem, Lanzhou 730000, Peoples R China.
学科分类: Chemistry
文章类型: Article
所属项目编号: Ministry of Science, Research and the Arts of Baden-Wurttemberg ; Bilkent University ; Turkish Academy of Science
所属项目名称: 加拿大自然科学和工程研究理事会项目
项目资助者: NSERC
语种: 英语
DOI: 10.1021/ja209532e
ISSN号: 0002-7863
WOS记录号: WOS:000304285700039
EI记录号: 20122215065292
PM记录号: 22509891
BIOSIS记录号: BIOSIS:PREV201200460035
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/126561
Appears in Collections:化学化工学院_期刊论文

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Recommended Citation:
Guan, M,Wang, WD,Henderson, EJ,et al. Assembling Photoluminescent Silicon Nanocrystals into Periodic Mesoporous Organosilica[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,2012,134(20):8439-8446.
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