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A Thieno[3,2‐c]Isoquinolin‐5(4H)‐One Building Block for Efficient Thick‐Film Solar Cells
Advanced Energy Materials ( IF 24.4 ) Pub Date : 2018-04-19 , DOI: 10.1002/aenm.201800397 Dan Li 1, 2 , Zuo Xiao 2 , Shizhe Wang 2 , Xinjian Geng 2 , Shangfeng Yang 1 , Junfeng Fang 3 , Huai Yang 4 , Liming Ding 2
Advanced Energy Materials ( IF 24.4 ) Pub Date : 2018-04-19 , DOI: 10.1002/aenm.201800397 Dan Li 1, 2 , Zuo Xiao 2 , Shizhe Wang 2 , Xinjian Geng 2 , Shangfeng Yang 1 , Junfeng Fang 3 , Huai Yang 4 , Liming Ding 2
Affiliation
An aromatic lactam acceptor unit, thieno[3,2‐c]isoquinolin‐5(4H)‐one (TIQ), is developed. Compared with its analogues, dithieno[3,2‐b:2′,3′‐d]pyridin‐5(4H)‐one (DTP) and phenanthridin‐6(5H)‐one (PN), TIQ shows its advantage in constructing donor–acceptor (D–A) copolymers for efficient solar cells. TIQ‐based D–A copolymer PTIQ4TFBT delivers a power conversion efficiency (PCE) of 10.16% in polymer:fullerene solar cells, while those based on DTP and PN copolymers, PDTP4TFBT and PPN4TFBT, afford PCEs around 8.5%. The higher performance of PTIQ4TFBT:PC71BM solar cells originates from enhanced short‐circuit current density (Jsc) and fill factor (FF), because of favorable morphology, less bimolecular recombination, and balanced charge transport in the active layer. Moreover, the performance for PTIQ4TFBT:PC71BM solar cells is less sensitive to active layer thickness than PDTP4TFBT:PC71BM and PPN4TFBT:PC71BM solar cells. Over 8% PCEs can be obtained from PTIQ4TFBT:PC71BM solar cells when the active layer thickness is over 500 nm.
中文翻译:
Thieno [3,2-c]异喹啉-5(4H)-高效厚膜太阳能电池的一个构建基块
开发了芳香族内酰胺受体单元,噻吩并[3,2-c]异喹啉-5(4H)-1(TIQ)。TIQ与类似物dithieno [3,2-b:2',3'-d] pyridin-5(4H)-one(DTP)和phenanthridin-6(5H)-one(PN)相比,TIQ在构建用于高效太阳能电池的供体-受体(DA)共聚物。基于TIQ的D–A共聚物PTIQ4TFBT在聚合物:富勒烯太阳能电池中的功率转换效率(PCE)为10.16%,而基于DTP和PN共聚物,PDTP4TFBT和PPN4TFBT的太阳能电池的PCE约为8.5%。PTIQ4TFBT:PC 71 BM太阳能电池的更高性能源自增强的短路电流密度(J sc)和填充因子(FF),因为其形态良好,双分子重组少,并且在有源层中的电荷传输平衡。此外,与PDTP4TFBT:PC 71 BM和PPN4TFBT:PC 71 BM太阳能电池相比,PTIQ4TFBT:PC 71 BM太阳能电池的性能对有源层厚度的敏感性较低。当活性层厚度超过500 nm时,可以从PTIQ4TFBT:PC 71 BM太阳能电池中获得超过8%的PCE 。
更新日期:2018-04-19
中文翻译:
Thieno [3,2-c]异喹啉-5(4H)-高效厚膜太阳能电池的一个构建基块
开发了芳香族内酰胺受体单元,噻吩并[3,2-c]异喹啉-5(4H)-1(TIQ)。TIQ与类似物dithieno [3,2-b:2',3'-d] pyridin-5(4H)-one(DTP)和phenanthridin-6(5H)-one(PN)相比,TIQ在构建用于高效太阳能电池的供体-受体(DA)共聚物。基于TIQ的D–A共聚物PTIQ4TFBT在聚合物:富勒烯太阳能电池中的功率转换效率(PCE)为10.16%,而基于DTP和PN共聚物,PDTP4TFBT和PPN4TFBT的太阳能电池的PCE约为8.5%。PTIQ4TFBT:PC 71 BM太阳能电池的更高性能源自增强的短路电流密度(J sc)和填充因子(FF),因为其形态良好,双分子重组少,并且在有源层中的电荷传输平衡。此外,与PDTP4TFBT:PC 71 BM和PPN4TFBT:PC 71 BM太阳能电池相比,PTIQ4TFBT:PC 71 BM太阳能电池的性能对有源层厚度的敏感性较低。当活性层厚度超过500 nm时,可以从PTIQ4TFBT:PC 71 BM太阳能电池中获得超过8%的PCE 。