High open-circuit voltage organic solar cells enabled by a difluorobenzoxadiazole-based conjugated polymer donor
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摘要
A new polymer donor based on 3,3′-difluoro-2,2′-bithiophene(2F2T) and difluorobenzoxadiazole(ffBX), named 2F2T-ffBX, is designed and synthesized. The organic solar cell(OSC) based on 2F2T-ffBX donor and [6,6]-phenyl-C60-butyl acid methyl ester([60]PCBM) acceptor exhibits a high efficiency of 7.3% with a high open-circuit voltage(V_(oc)) of 1.03 V. When blended with perylenediimide-based acceptor(PDI6), the corresponding OSC shows a higher V_(oc) of 1.19 V with a low energy loss of 0.50 e V but a much lower efficiency of 2.0%. The detailed analyses including charge generation, transport, recombination properties, and morphology were performed to understand the performance of corresponding devices.
A new polymer donor based on 3,3′-difluoro-2,2′-bithiophene(2F2T) and difluorobenzoxadiazole(ffBX), named 2F2T-ffBX, is designed and synthesized. The organic solar cell(OSC) based on 2F2T-ffBX donor and [6,6]-phenyl-C60-butyl acid methyl ester([60]PCBM) acceptor exhibits a high efficiency of 7.3% with a high open-circuit voltage(V_(oc)) of 1.03 V. When blended with perylenediimide-based acceptor(PDI6), the corresponding OSC shows a higher V_(oc) of 1.19 V with a low energy loss of 0.50 e V but a much lower efficiency of 2.0%. The detailed analyses including charge generation, transport, recombination properties, and morphology were performed to understand the performance of corresponding devices.
A new polymer donor based on 3,3′-difluoro-2,2′-bithiophene(2F2T) and difluorobenzoxadiazole(ffBX), named 2F2T-ffBX, is designed and synthesized. The organic solar cell(OSC) based on 2F2T-ffBX donor and [6,6]-phenyl-C60-butyl acid methyl ester([60]PCBM) acceptor exhibits a high efficiency of 7.3% with a high open-circuit voltage(V_(oc)) of 1.03 V. When blended with perylenediimide-based acceptor(PDI6), the corresponding OSC shows a higher V_(oc) of 1.19 V with a low energy loss of 0.50 e V but a much lower efficiency of 2.0%. The detailed analyses including charge generation, transport, recombination properties, and morphology were performed to understand the performance of corresponding devices.
引文
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2 Brabec CJ,Gowrisanker S,Halls JJM,Laird D,Jia S,Williams SP.Adv Mater,2010,22:3839-3856
3 Li Y.Acc Chem Res,2012,45:723-733
4 Lu L,Zheng T,Wu Q,Schneider AM,Zhao D,Yu L.Chem Rev,2015,115:12666-12731
5 Krebs FC,Fyenbo J,J?rgensen M.J Mater Chem,2010,20:8994
6 Zhang G,Zhao J,Chow PCY,Jiang K,Zhang J,Zhu Z,Zhang J,Huang F,Yan H.Chem Rev,2018,118:3447-3507
7 Li H,Xiao Z,Ding L,Wang J.Sci Bull,2018,63:340-342
8 Zhang S,Qin Y,Zhu J,Hou J.Adv Mater,2018,30:1800868
9 Li S,Ye L,Zhao W,Yan H,Yang B,Liu D,Li W,Ade H,Hou J.J Am Chem Soc,2018,140:7159-7167
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11 https://www.nrel.gov/pv/assets/images/efficiency-chart.png,accessed on 2018-11-29
12 Veldman D,Meskers SCJ,Janssen RAJ.Adv Funct Mater,2009,19:1939-1948
13 Yao J,Kirchartz T,Vezie MS,Faist MA,Gong W,He Z,Wu H,Troughton J,Watson T,Bryant D,Nelson J.Phys Rev Appl,2015,4:014020
14 Nayak PK,Cahen D.Adv Mater,2014,26:1622-1628
15 Wang M,Wang H,Yokoyama T,Liu X,Huang Y,Zhang Y,Nguyen TQ,Aramaki S,Bazan GC.J Am Chem Soc,2014,136:12576-12579
16 Li W,Hendriks KH,Furlan A,Wienk MM,Janssen RAJ.J Am Chem Soc,2015,137:2231-2234
17 Gao K,Li L,Lai T,Xiao L,Huang Y,Huang F,Peng J,Cao Y,Liu F,Russell TP,Janssen RAJ,Peng X.J Am Chem Soc,2015,137:7282-7285
18 Wang C,Xu X,Zhang W,Bergqvist J,Xia Y,Meng X,Bini K,Ma W,Yartsev A,Vandewal K,Andersson MR,Ingan?s O,Fahlman M,Wang E.Adv Energy Mater,2016,6:1600148
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20 Yao H,Chen Y,Qin Y,Yu R,Cui Y,Yang B,Li S,Zhang K,Hou J.Adv Mater,2016,28:8283-8287
21 Chen S,Liu Y,Zhang L,Chow PCY,Wang Z,Zhang G,Ma W,Yan H.J Am Chem Soc,2017,139:6298-6301
22 Xiao Z,Jia X,Li D,Wang S,Geng X,Liu F,Chen J,Yang S,Russell TP,Ding L.Sci Bull,2017,62:1494-1496
23 Cheng P,Zhang M,Lau TK,Wu Y,Jia B,Wang J,Yan C,Qin M,Lu X,Zhan X.Adv Mater,2017,29:1605216
24 Yao Z,Liao X,Gao K,Lin F,Xu X,Shi X,Zuo L,Liu F,Chen Y,Jen AKY.J Am Chem Soc,2018,140:2054-2057
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28 Zhang Y,Yao H,Zhang S,Qin Y,Zhang J,Yang L,Li W,Wei Z,Gao F,Hou J.Sci China Chem,2018,61:1328-1337
29 Zhang Y,Guo X,Guo B,Su W,Zhang M,Li Y.Adv Funct Mater,2017,27:1603892
30 Baran D,Kirchartz T,Wheeler S,Dimitrov S,Abdelsamie M,Gorman J,Ashraf RS,Holliday S,Wadsworth A,Gasparini N,Kaienburg P,Yan H,Amassian A,Brabec CJ,Durrant JR,McCulloch I.Energy Environ Sci,2016,9:3783-3793
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32 Zhao J,Li Y,Hunt A,Zhang J,Yao H,Li Z,Zhang J,Huang F,Ade H,Yan H.Adv Mater,2016,28:1868-1873
33 Lin H,Chen S,Hu H,Zhang L,Ma T,Lai JYL,Li Z,Qin A,Huang X,Tang B,Yan H.Adv Mater,2016,28:8546-8551
34 Liu J,Chen S,Qian D,Gautam B,Yang G,Zhao J,Bergqvist J,Zhang F,Ma W,Ade H,Ingan?s O,Gundogdu K,Gao F,Yan H.Nat Energy,2016,1:16089
35 Wang J,Wang S,Duan C,Colberts FJM,Mai J,Liu X,Jia X,Lu X,Janssen RAJ,Huang F,Cao Y.Adv Energy Mater,2017,7:1702033
36 Liu Y,Zhao J,Li Z,Mu C,Ma W,Hu H,Jiang K,Lin H,Ade H,Yan H.Nat Commun,2014,5:5293
37 Long X,Ding Z,Dou C,Zhang J,Liu J,Wang L.Adv Mater,2016,28:6504-6508
38 Jung JW,Jo JW,Chueh CC,Liu F,Jo WH,Russell TP,Jen AKY.Adv Mater,2015,27:3310-3317
39 Fan Q,Su W,Guo X,Guo B,Li W,Zhang Y,Wang K,Zhang M,Li Y.Adv Energy Mater,2016,6:1600430
40 Zhang S,Qin Y,Uddin MA,Jang B,Zhao W,Liu D,Woo HY,Hou J.Macromolecules,2016,49:2993-3000
41 Kawashima K,Fukuhara T,Suda Y,Suzuki Y,Koganezawa T,Yoshida H,Ohkita H,Osaka I,Takimiya K.J Am Chem Soc,2016,138:10265-10275
42 Scharber M,Mühlbacher D,Koppe M,Denk P,Waldauf C,Heeger A,Brabec C.Adv Mater,2006,18:789-794
43 Zhang K,Huang F,Cao Y.Acta Polym Sin,2017,9:1400
44 Zhang K,Hu Z,Sun C,Wu Z,Huang F,Cao Y.Chem Mater,2017,29:141-148
45 Cowan SR,Roy A,Heeger AJ.Phys Rev B,2010,82:245207