Surface plasmon resonance enhanced photoluminescence from Au coated periodic arrays of CdSe quantum dots and polymer composite thin film

Ming Chung Wu, Chih Min Chuang, Hsi Hsing Lo, Kuo Chung Cheng, Yang Fang Chen*, Wei Fang Su

*此作品的通信作者

研究成果: 期刊稿件文章同行評審

7 引文 斯高帕斯(Scopus)

摘要

We have fabricated an arrayed CdSe quantum dots composite thin film that can enhance the photoluminescence of CdSe under the 488 nm laser irradiation by tuning the gold surface plasmon resonance frequency. This thin film consists of a gold coated periodic array of hybrid material of CdSe and poly(methyl methacrylate) on indium tin oxide coated glass substrate. The main surface plasmon resonance was red shifted as we increased the column diameter of the array. By adjusting the column diameters and lattice constants of the array to coincide with the 488 nm excitation wavelength, an evident increase in luminescence intensity was obtained due to the surface plasmon resonance of gold. As a result of likely efficient energy transfer from gold surface plasmon resonance to CdSe, the photoluminescence intensity of CdSe has been increased to 248% at 570 nm. This composite film has many potential applications in high efficient optoelectronic devices.

原文英語
頁(從 - 到)863-866
頁數4
期刊Thin Solid Films
517
發行號2
DOIs
出版狀態已出版 - 28 11 2008
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