期刊
ADVANCED MATERIALS
卷 27, 期 7, 页码 1217-1222出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201404355
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资金
- Ministry of Science and Technology [102-3113-E-001-001, 102-2627-E-002-002, 102-2221-E-131-026-MY2, 102-2221-E-131-030-MY2, 102-2221-E-011-142, 102-2622-E-011-018-CC3, 103-ET-E-011-004-ET]
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.
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