Title: 聚乙烯醇包覆水溶性硒化鎘奈米粒子之非線性光學及螢光光譜研究
Optical Nonlinearity and Photoluminescence of PVA-capped CdSe Nanoparticles
Authors: 沈哲佑
安惠榮
光電工程學系
Keywords: 硒化鎘;奈米粒子;螢光光譜;Z軸掃描;CdSe;nanoparticle;PL;Z-scan
Issue Date: 2010
Abstract: In this thesis, we report the photoluminescence and optical nonlinearity of water-soluble PVA-capped CdSe nanoparticles with high quantum yield (around 68%). Luminescence properties of water-soluble CdSe nanoparticles were studied using time-integrated and time-resolved photoluminescence (TRPL) measurements at room temperature. We observed the photoactivation of CdSe nanoparticles induced by ultrafast laser pulses. By using the Z-scan measurement technique, we measured two photon absorption coefficient of water-soluble CdSe nanoparticles.
In this thesis, we report the photoluminescence and optical nonlinearity of water-soluble PVA-capped CdSe nanoparticles with high quantum yield (around 68%). Luminescence properties of water-soluble CdSe nanoparticles were studied using time-integrated and time-resolved photoluminescence (TRPL) measurements at room temperature. We observed the photoactivation of CdSe nanoparticles induced by ultrafast laser pulses. By using the Z-scan measurement technique, we measured two photon absorption coefficient of water-soluble CdSe nanoparticles.
URI: http://140.113.39.130/cdrfb3/record/nctu/#GT079724555
http://hdl.handle.net/11536/45137
Appears in Collections:Thesis


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