Transparent Organic Upconversion Devices for Near-Infrared Sensing

被引：83

作者：

Liu, Shun-Wei ^{[1
]}

Lee, Chih-Chien ^{[2
]}

Yuan, Chih-Hsien ^{[2
]}

Su, Wei-Cheng ^{[2
]}

Lin, Shao-Yu ^{[2
]}

Chang, Wen-Chang ^{[2
]}

Huang, Bo-Yao ^{[2
]}

Lin, Chun-Feng ^{[1
]}

Lee, Ya-Ze ^{[1
]}

Su, Tsung-Hao ^{[1
]}

Chen, Kuan-Ting ^{[2
]}

机构：

[1] Ming Chi Univ Technol, Dept Elect Engn, New Taipei City 24301, Taiwan

[2] Natl Taiwan Univ Sci & Technol, Dept Elect Engn, Taipei 10607, Taiwan

来源：

ADVANCED MATERIALS | 2015年 / 27卷 / 07期

关键词：

LIGHT-EMITTING-DIODES; SOLAR-CELLS; WORK FUNCTION; EFFICIENCY; CONVERTER; PERFORMANCE; ELECTRODES;

D O I：

10.1002/adma.201404355

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Transparent organic upconversion devices are shown in a night-vision demonstration of a real object under near-infrared (NIR) illumination in the dark. An extraordinarily high current gain-reflecting the on-off switching effect-greater than 15 000 at a driving voltage of 3 V is demonstrated, indicating the high sensitivity to NIR light and potential of using the proposed upconverter in practical applications. A maximum luminance exceeding 1500 cd m(-2) at 7 V is achieved. Unlike previous studies, where 2D aperture projection is reported, the current study shows 3D images of real objects under NIR illumination in the dark.

引用

页码：1217 / 1222

页数：6

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