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：

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.

引用

页数：3

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