Performance Comparison of Coronene Film for UV-CCD Prepared by Spin-Coating and Physical Vapor Deposition
HE Liang, ZHANG Da-wei*, TAO Chun-xian, HONG Rui-jin, HUANG Yuan-shen
Shanghai Key Laboratory of Modern Optical System, School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
Abstract：In the present paper, the methods of spin-coating and physical vapor deposition (PVD) were researched to prepare the coronene film for UV-CCD, and their properties were characterized and compared with each other. The results of the experiment show that the process of spin-coating is relatively simple, which takes advantage of materials and retains the inherent crystal structure of coronene. However, the roughness of the film is a little more than that of PVD method; the film prepared by PVD method can absorb ultraviolet more effectively and then emits fluorescence with more intensity. Compared with the method of spin-coating, the surface of PVD film is more smoothly, and the process of thermal evaporation changes the crystal structure of coronene and forms another new crystalline state according to the XRD graph. While the whole process of PVD is more complex and it needs larger cost of production than spin-coating method. Besides, the comparison research work provided theoretical direction for preparing the photoluminescence down-conversion film under different requirements, such as fluorescence intensity, surface roughness and cost of production.
何 梁，张大伟*，陶春先，洪瑞金，黄元申 . 旋涂法和热蒸发制备紫外CCD用晕苯薄膜的性能对比 [J]. 光谱学与光谱分析, 2014, 34(05): 1319-1322.
HE Liang, ZHANG Da-wei*, TAO Chun-xian, HONG Rui-jin, HUANG Yuan-shen . Performance Comparison of Coronene Film for UV-CCD Prepared by Spin-Coating and Physical Vapor Deposition . SPECTROSCOPY AND SPECTRAL ANALYSIS, 2014, 34(05): 1319-1322.
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