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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/27449

Title: Decay dynamics of blue–green luminescence in meso-porous MCM-41 nanotubes
Authors: Y.C. Lee;Y.L. Liu;C.K. Wang;J.L. Shen;P.W. Cheng;C.F. Cheng;C.-H. Ko;T.Y. Lin
Contributors: NTOU:Institute of Optoelectronic Sciences
國立臺灣海洋大學:光電科學研究所
Keywords: Photoluminescence;Time-resolved
Date: 2005-06
Issue Date: 2011-10-21T02:31:49Z
Publisher: Journal of Luminescence
Abstract: abstract:Time-resolved photoluminescence (PL) was performed to investigate the decay of blue–green luminescence in MCM-41 nanotubes. The PL decay exhibits a clear nonexponential profile, which can be fitted by a stretched exponential function. In the temperature range from 50 to 300 K the photogenerated carriers become thermally activated with a characteristic energy of 29 meV, which is an indication of the phonon-assisted nonradiative process. The temperature dependence of the lifetime of PL decay has been explained using a model based on the radiative recombination of localized carriers and the phonon-assisted nonradiative recombination. PACS 78.55.−m;78.67.Ch;78.68.+m
Relation: 113(3-4), PP.258-264
URI: http://ntour.ntou.edu.tw/handle/987654321/27449
Appears in Collections:[光電科學研究所] 期刊論文

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