| 光谱学与光谱分析 |
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| Preparation by Spin-Coating Technology and Characterization of UV-Enhanced Lumogen Film |
| JIANG Lin, ZHANG Da-wei*, TAO Chun-xian, HUANG Yuan-shen, WANG Qi, NI Zheng-ji, ZHUANG Song-lin |
| Shanghai Key Laboratory of Modern Optical System, Optical Instrument and Systems Engineering Center of the Ministry of Education, School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China |
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Abstract As an effective way to increase the UV response for CCD/CMOS, the advantage of the Lumogen film is the simple process and low cost. In the present paper the Lumogen film was deposited onto fused silica slides by the spin-coating way, which has less damage than PVD physical vacuum deposition) way. The main test and analysis of the thin-film include transmission spectrum, absorption spectrum, and excitation and emission spectrum. It was showed that these coatings were transmitted well in visible region (λ>400 nm), and emitted a yellowish green glow centered at ～525 nm together with a wide excitation spectrum range from 200 to 400 nm. The synthesis shows that Lumogen coatings match accurately with the detected spectrum of conventional silicon-based image sensors, which makes this kind of thin films an ultraviolet responsive coating for sensors.
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Received: 2012-05-26
Accepted: 2012-09-11
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Corresponding Authors:
ZHANG Da-wei
E-mail: jl_fighting@163.com
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