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n-Channel organic phototransistors with an n-type conjugated polymer based on indacenodithiophene and naphthalenediimide units
Journal of Materials Chemistry C ( IF 5.7 ) Pub Date : 2020-09-17 , DOI: 10.1039/d0tc02456b Saebom Lee 1, 2, 3, 4, 5 , Chulyeon Lee 1, 2, 3, 4, 5 , Hwajeong Kim 1, 2, 3, 4, 5 , Youngkyoo Kim 1, 2, 3, 4, 5
Journal of Materials Chemistry C ( IF 5.7 ) Pub Date : 2020-09-17 , DOI: 10.1039/d0tc02456b Saebom Lee 1, 2, 3, 4, 5 , Chulyeon Lee 1, 2, 3, 4, 5 , Hwajeong Kim 1, 2, 3, 4, 5 , Youngkyoo Kim 1, 2, 3, 4, 5
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Here we report n-channel organic phototransistors (OPTRs) with a soluble n-type conjugated polymer, as a sensing channel layer, poly(5,5,11,11-tetrakis(5-(2-ethylhexyl)thiophene-2-yl)-dithieno[2,3-d:2′,3′-d′]-s-indaceno[1,2-b:5,6-b′]dithiophene)-co-2,7-bis(2-octyldodecyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone (PIDTT-NDI). The PIDTT-NDI polymer was synthesized by polymerization of the corresponding IDTT and NDI monomers via the Stille coupling reaction. The PIDTT-NDI films exhibited an optical absorption edge of ca. 900 nm and the lowest unoccupied molecular orbital (LUMO) energy of ca. −4.2 eV. The organic field-effect transistors (OFETs) with the PIDTT-NDI channel layers showed n-channel transistor behaviors and their best performances in the dark were measured at the PIDTT-NDI thickness of t = 70 nm. The photosensing test disclosed that the OPTRs with the PIDTT-NDI sensing channel layers could detect both blue (434 nm) and near infrared (754 nm) light irrespective of the PIDTT-NDI thickness, even though the best photoresponsivity (RC) was achieved at t = 70 nm. The flexible OPTRs with the 70 nm-thick PIDTT-NDI sensing channel layers, which were fabricated using poly(ethylene naphthalene) (PEN) film substrates, could detect both blue (420 nm) and deep red (700 nm) light. The present, flexible PIDTT-NDI-based OPTRs are expected to be applied for the skin therapy systems which need the blue (400–420 nm) and red (620–700 nm) light for the acne and anti-aging treatments, respectively.
中文翻译：
具有基于茚并二噻吩和萘二酰亚胺单元的n型共轭聚合物的n沟道有机光电晶体管
在这里我们报告与可溶性n型共轭聚合物的n通道有机光电晶体管（OPTRs）作为感测通道层，聚（5,5,11,11-四（5-（2-乙基己基）噻吩-2-基） -二噻吩并[2,3- d：2'，3'- d '] -小号-indaceno [1,2 b：5,6- b ']二噻吩） -共-2,7-二（2-辛基十二烷基）苯并[ lmn ] [3,8]菲咯啉-1,3,6,8（2 H，7 H）-四酮（PIDTT-NDI）。所述PIDTT-NDI聚合物通过相应IDTT和NDI单体的聚合而合成通过Stille偶联反应。该PIDTT，NDI薄膜的光学吸收边缘约为。900 nm，最低的未占据分子轨道（LUMO）能量约为 −4.2 eV。具有PIDTT-NDI沟道层的有机场效应晶体管（OFET）显示了n沟道晶体管的行为，并且在PIDTT-NDI厚度为t = 70 nm的情况下测量了其在黑暗中的最佳性能。公开了与所述OPTRs所述光感测试PIDTT-NDI传感通道层可检测两个蓝色（434纳米）和近红外（754纳米）的光而不管PIDTT-NDI即使最好的光响应（厚度，- [R Ç）达到在t= 70 nm。具有70 nm厚PIDTT-NDI感测通道层的柔性OPTRs是使用聚（乙烯萘）（PEN）薄膜基板制造的，可以同时检测蓝色（420 nm）和深红色（700 nm）的光。目前，基于PIDTT-NDI的灵活OPTR有望被用于皮肤治疗系统，该系统分别需要蓝光（400-420 nm）和红光（620-700 nm）进行痤疮和抗衰老治疗。
更新日期：2020-10-19
中文翻译：
具有基于茚并二噻吩和萘二酰亚胺单元的n型共轭聚合物的n沟道有机光电晶体管
在这里我们报告与可溶性n型共轭聚合物的n通道有机光电晶体管（OPTRs）作为感测通道层，聚（5,5,11,11-四（5-（2-乙基己基）噻吩-2-基） -二噻吩并[2,3- d：2'，3'- d '] -小号-indaceno [1,2 b：5,6- b ']二噻吩） -共-2,7-二（2-辛基十二烷基）苯并[ lmn ] [3,8]菲咯啉-1,3,6,8（2 H，7 H）-四酮（PIDTT-NDI）。所述PIDTT-NDI聚合物通过相应IDTT和NDI单体的聚合而合成通过Stille偶联反应。该PIDTT，NDI薄膜的光学吸收边缘约为。900 nm，最低的未占据分子轨道（LUMO）能量约为 −4.2 eV。具有PIDTT-NDI沟道层的有机场效应晶体管（OFET）显示了n沟道晶体管的行为，并且在PIDTT-NDI厚度为t = 70 nm的情况下测量了其在黑暗中的最佳性能。公开了与所述OPTRs所述光感测试PIDTT-NDI传感通道层可检测两个蓝色（434纳米）和近红外（754纳米）的光而不管PIDTT-NDI即使最好的光响应（厚度，- [R Ç）达到在t= 70 nm。具有70 nm厚PIDTT-NDI感测通道层的柔性OPTRs是使用聚（乙烯萘）（PEN）薄膜基板制造的，可以同时检测蓝色（420 nm）和深红色（700 nm）的光。目前，基于PIDTT-NDI的灵活OPTR有望被用于皮肤治疗系统，该系统分别需要蓝光（400-420 nm）和红光（620-700 nm）进行痤疮和抗衰老治疗。
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