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Carbazole-Substituted Triphenylamine and Diketopyrrolopyrrole Alternating Copolymer for Photovoltaic Cells
Bian, Linyi1; Yang, Dong2,3; Yin, Liangming1; Zhang, Jian2; Tang, Weihua1
KeywordBulk Heterojunction Polymer Solar Cells Narrow Bandgap Polymers Two-dimensional Polymers
Source PublicationMACROMOLECULAR CHEMISTRY AND PHYSICS
2013-10-01
DOI10.1002/macp.201300356
Volume214Issue:19Pages:2136-2143
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectPolymer Science
WOS Research AreaPolymer Science
WOS KeywordPOLYMER SOLAR-CELLS ; THIN-FILM TRANSISTORS ; BAND-GAP POLYMERS ; ENERGY-CONVERSION EFFICIENCY ; OPEN-CIRCUIT VOLTAGE ; CONJUGATED POLYMERS ; HIGH-MOBILITY ; SEMICONDUCTING POLYMER ; TANDEM POLYMER ; HOLE MOBILITY
AbstractA new alternating conjugated polymer (PTCDPP) of carbazole-substituted triarylamine and diketopyrrolopyrrole is prepared and characterized in detail. The polymer exhibits two strong absorption bands at 345 and 600 nm. With highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) energy levels of -5.13 eV and -3.67 eV, PTCDPP displays an energy gap of 1.66 eV. PTCDPP-based bulk heterojunction solar cells with a structure of fluorinated tin oxide (FTO)/TiO2/PTCDPP:[6,6]-phenyl-C61-butyric acid methyl ester (PCBM)/MoO3/Ag are fabricated. The devices are optimized by adjusting the composition of the PTCDPP:PCBM active layer, thermal treatment, and addition of processing additives. The device based on PTCDPP:PCBM (1:4, w/w) shows a power conversion efficiency (PCE) of 2.31%, with a short-circuit current of 4.17 mA cm(-2), an open-circuit voltage of 0.79 V, and a fill factor of 0.35. The best cell performance (2.65% PCE) is achieved by using 1,8-diiodooctane (3%, v/v) as a processing additive and annealing the active layer at 80 degrees C.
Language英语
WOS IDWOS:000325481900003
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/137972
Collection中国科学院大连化学物理研究所
Affiliation1.Nanjing Univ Sci & Technol, Minist Educ, Key Lab Soft Chem & Funct Mat, Nanjing 210094, Jiangsu, Peoples R China
2.Chinese Acad Sci, State Key Lab Catalysis, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Bian, Linyi,Yang, Dong,Yin, Liangming,et al. Carbazole-Substituted Triphenylamine and Diketopyrrolopyrrole Alternating Copolymer for Photovoltaic Cells[J]. MACROMOLECULAR CHEMISTRY AND PHYSICS,2013,214(19):2136-2143.
APA Bian, Linyi,Yang, Dong,Yin, Liangming,Zhang, Jian,&Tang, Weihua.(2013).Carbazole-Substituted Triphenylamine and Diketopyrrolopyrrole Alternating Copolymer for Photovoltaic Cells.MACROMOLECULAR CHEMISTRY AND PHYSICS,214(19),2136-2143.
MLA Bian, Linyi,et al."Carbazole-Substituted Triphenylamine and Diketopyrrolopyrrole Alternating Copolymer for Photovoltaic Cells".MACROMOLECULAR CHEMISTRY AND PHYSICS 214.19(2013):2136-2143.
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