Polymer infrared proximity sensor

被引：21
|
作者：
Chen, En-Chen [2 ]
Tseng, Shin-Rong [1 ]
Ju, Jia-Hong [2 ]
Yang, Chia-Ming [2 ]
Meng, Hsin-Fei [1 ]
Horng, Sheng-Fu [2 ]
Shu, Ching-Fong [3 ]
机构：
[1] Natl Chiao Tung Univ, Inst Phys, Hsinchu 300, Taiwan
[2] Natl Tsing Hua Univ, Dept Elect Engn, Hsinchu 300, Taiwan
[3] Natl Chiao Tung Univ, Dept Appl Chem, Hsinchu 300, Taiwan
来源：
APPLIED PHYSICS LETTERS | 2008年 / 93卷 / 06期
关键词：
8;
D O I：
10.1063/1.2949069
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A proximity sensor that combines a polymer light-emitting diode and a polymer photodiode is presented. The operation wavelength is in the near infrared from 700 to 850 nm. The infrared emission is obtained by adding a color conversion film of polyvinylpyrrolidone polymer matrix blended with infrared dye 1,1-diethyl-2,2-dicarbocyanine iodide to a red polymer light-emitting diode. The photodetector relies on the direct charge-transfer exciton generation in a donor-acceptor polymer blend of poly(3-hexylthiophene) and (6,6)-phenyl-C-61-butyric acid methyl ester. The detection distance is up to 19 cm for objects with various colors and roughness under ambient indoor lighting. (C) 2008 American Institute of Physics.
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页数：3
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