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Green‐Sensitive Phototransistor Based on Solution‐Processed 2D n‐Type Organic Single Crystal
Advanced Electronic Materials ( IF 5.3 ) Pub Date : 2019-07-23 , DOI: 10.1002/aelm.201900478 Jin Hong Kim 1 , Sangyoon Oh 1 , Sang Kyu Park 1 , Soo Young Park 1
Advanced Electronic Materials ( IF 5.3 ) Pub Date : 2019-07-23 , DOI: 10.1002/aelm.201900478 Jin Hong Kim 1 , Sangyoon Oh 1 , Sang Kyu Park 1 , Soo Young Park 1
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2D single crystals of down to two‐monolayer thickness are fabricated from a push–pull structure‐based green light absorbing organic n‐type semiconductor, (2E,2′E)‐3,3′‐(2,5‐difluoro‐1,4‐phenylene)bis(2‐(5‐(4‐(trifluoromethyl)phenyl)thiophen‐2‐yl)acrylonitrile) (2F‐4‐TFPTA). The 2F‐4‐TFPTA 2D single crystal exhibits field‐effect electron mobility of 0.9 cm2 V−1 s−1 in the dark and also decent photoresponsivity of 3.6 × 103 A W−1 under green light‐emitting diode irradiation, which is noted as the first demonstration of green‐sensitive 2D organic phototransistors. Photoresponse time of this 2F‐4‐TFPTA 2D single‐crystal device is as fast as 43 ms for the rise and 85 ms for the decay.
中文翻译：
基于溶液处理的二维n型有机单晶的绿色敏感光电晶体管
2D到两个单层厚度从基于结构推挽绿色光吸收有机n型半导体制成，（2单晶ë，2' ë）-3,3' - （2,5-二氟1,4-亚苯基）双（2-（5-（4-（三氟甲基）苯基）噻吩-2-基）丙烯腈）（2F-4-TFPTA）。2F-4-TFPTA 2D单晶在黑暗中表现出0.9 cm 2 V -1 s -1的场效应电子迁移率，并且具有3.6×10 3 AW -1的体面光响应性在绿色发光二极管辐射下进行，这是对绿色敏感的2D有机光电晶体管的首次演示。这种2F-4-TFPTA 2D单晶器件的光响应时间对于上升最快为43 ms，对于衰减最快为85 ms。
更新日期：2019-10-10
中文翻译：
基于溶液处理的二维n型有机单晶的绿色敏感光电晶体管
2D到两个单层厚度从基于结构推挽绿色光吸收有机n型半导体制成，（2单晶ë，2' ë）-3,3' - （2,5-二氟1,4-亚苯基）双（2-（5-（4-（三氟甲基）苯基）噻吩-2-基）丙烯腈）（2F-4-TFPTA）。2F-4-TFPTA 2D单晶在黑暗中表现出0.9 cm 2 V -1 s -1的场效应电子迁移率，并且具有3.6×10 3 AW -1的体面光响应性在绿色发光二极管辐射下进行，这是对绿色敏感的2D有机光电晶体管的首次演示。这种2F-4-TFPTA 2D单晶器件的光响应时间对于上升最快为43 ms，对于衰减最快为85 ms。
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