Abstract
In this work, photovoltaic properties of the PBDB-T:ITIC based-NF-PSCs were fully optimized and characterized by tuning the morphology of the active layers and changing the device architecture. First, donor/acceptor (D/A) weight ratios were scanned, and then further optimization was performed by using different additives, i.e. 1,8-diiodooctane (DIO), diphenyl ether (DPE), 1-chloronaphthalene (CN) and N-methyl-2-pyrrolidone (NMP), on the basis of best D/A ratio (1:1, w/w), respectively. Finally, the conventional or inverted device architectures with different buffer layers were employed to fabricate NF-PSC devices, and meanwhile, the morphology of the active layers was further optimized by controlling annealing temperature and time. As a result, a record efficiency of 11.3% was achieved, which is the highest result for NF-PSCs. It’s also remarkable that the inverted NF-PSCs exhibited long-term stability, i.e. the best-performing devices maintain 83% of their initial PCEs after over 4000 h storage.
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Halls JJM, Walsh CA, Greenham NC, Marseglia EA, Friend RH, Moratti SC, Holmes AB. Nature, 1995, 376: 498–500
Yu G, Gao J, Hummelen JC, Wudl F, Heeger AJ. Science, 1995, 270: 1789–1791
Li Y. Acc Chem Res, 2012, 45: 723–733
Ye L, Zhang S, Huo L, Zhang M, Hou J. Acc Chem Res, 2014, 47: 1595–1603
Duan C, Huang F, Cao Y. J Mater Chem, 2012, 22: 10416–10434
Zhang S, Ye L, Hou J. Adv Energy Mater, 2016, 6: 1502529
Zhang ZG, Li Y. Sci China Chem, 2015, 58: 192–209
You J, Dou L, Yoshimura K, Kato T, Ohya K, Moriarty T, Emery K, Chen CC, Gao J, Li G, Yang Y. Nat Commun, 2013, 4: 1446
He Z, Xiao B, Liu F, Wu H, Yang Y, Xiao S, Wang C, Russell TP, Cao Y. Nat Photon, 2015, 9: 174–179
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
Chen JD, Cui C, Li YQ, Zhou L, Ou QD, Li C, Li Y, Tang JX. Adv Mater, 2015, 27: 1035–1041
Ye L, Zhang S, Zhao W, Yao H, Hou J. Chem Mater, 2014, 26: 3603–3605
Zhang S, Ye L, Zhao W, Yang B, Wang Q, Hou J. Sci China Chem, 2015, 58: 248–256
Zhao W, Ye L, Zhang S, Sun M, Hou J. J Mater Chem A, 2015, 3: 12723–12729
Lin Y, Zhan X. Mater Horiz, 2014, 1: 470–488
Lin Y, Zhan X. Adv Energy Mater, 2015, 5: 1501063
Lin Y, Zhan X. Acc Chem Res, 2016, 49: 175–183
Zhan X, Tan Z, Domercq B, An Z, Zhang X, Barlow S, Li Y, Zhu D, Kippelen B, Marder SR. J Am Chem Soc, 2007, 129: 7246–7247
Lin Y, Wang Y, Wang J, Hou J, Li Y, Zhu D, Zhan X. Adv Mater, 2014, 26: 5137–5142
Lin Y, Zhang ZG, Bai H, Wang J, Yao Y, Li Y, Zhu D, Zhan X. Energy Environ Sci, 2015, 8: 610–616
Lin Y, Wang J, Zhang ZG, Bai H, Li Y, Zhu D, Zhan X. Adv Mater, 2015, 27: 1170–1174
Lin Y, He Q, Zhao F, Huo L, Mai J, Lu X, Su CJ, Li T, Wang J, Zhu J, Sun Y, Wang C, Zhan X. J Am Chem Soc, 2016, 138: 2973–2976
Lin Y, Zhao F, He Q, Huo L, Wu Y, Parker TC, Ma W, Sun Y, Wang C, Zhu D, Heeger AJ, Marder SR, Zhan X. J Am Chem Soc, 2016, 138: 4955–4961
Cheng P, Ye L, Zhao X, Hou J, Li Y, Zhan X. Energy Environ Sci, 2014, 7: 1351–1356
Ye L, Jiao X, Zhou M, Zhang S, Yao H, Zhao W, Xia A, Ade H, Hou J. Adv Mater, 2015, 27: 6046–6054
Li S, Zhang H, Zhao W, Ye L, Yao H, Yang B, Zhang S, Hou J. Adv Energy Mater, 2016, 6: 1501991
Meng D, Sun D, Zhong C, Liu T, Fan B, Huo L, Li Y, Jiang W, Choi H, Kim T, Kim JY, Sun Y, Wang Z, Heeger AJ. J Am Chem Soc, 2016, 138: 375–380
Lin H, Chen S, Li Z, Lai JYL, Yang G, Mcafee T, Jiang K, Li Y, Liu Y, Hu H, Zhao J, Ma W, Ade H, Yan H. Adv Mater, 2015, 27: 7299–7304
Gao L, Zhang ZG, Xue L, Min J, Zhang J, Wei Z, Li Y. Adv Mater, 2016, 28: 1884–1890
Ye L, Sun K, Jiang W, Zhang S, Zhao W, Yao H, Wang Z, Hou J. ACS Appl Mater Interf, 2015, 7: 9274–9280
Zang Y, Li CZ, Chueh CC, Williams ST, Jiang W, Wang ZH, Yu JS, Jen AKY. Adv Mater, 2014, 26: 5708–5714
Lin Y, Zhang ZG, Bai H, Wang J, Yao Y, Li Y, Zhu D, Zhan X. Energy Environ Sci, 2015, 8: 610–616
Zhou Y, Kurosawa T, Ma W, Guo Y, Fang L, Vandewal K, Diao Y, Wang C, Yan Q, Reinspach J, Mei J, Appleton AL, Koleilat GI, Gao Y, Mannsfeld SCB, Salleo A, Ade H, Zhao D, Bao Z. Adv Mater, 2014, 26: 3767–3772
Zhang S, Qin Y, Uddin MA, Jang B, Zhao W, Liu D, Woo HY, Hou J. Macromolecules, 2016, 49: 2993–3000
Zhao W, Ye L, Zhang S, Yao H, Sun M, Hou J. J Phys Chem C, 2015, 119: 27322–27329
Qian D, Ye L, Zhang M, Liang Y, Li L, Huang Y, Guo X, Zhang S, Tan Z, Hou J. Macromolecules, 2012, 45: 9611–9617
Zhao W, Qian D, Zhang S, Li S, Inganäs O, Gao F, Hou J. Adv Mater, 2016, 28: 4734–4739
Zhao W, Ye L, Zhang S, Fan B, Sun M, Hou J. Sci Rep, 2014, 4: 6570
Huang Y, Kramer EJ, Heeger AJ, Bazan GC. Chem Rev, 2014, 114: 7006–7043
Duan C, Cai W, Hsu BBY, Zhong C, Zhang K, Liu C, Hu Z, Huang F, Bazan GC, Heeger AJ, Cao Y. Energy Environ Sci, 2013, 6: 3022–3034
Lee JK, Ma WL, Brabec CJ, Yuen J, Moon JS, Kim JY, Lee K, Bazan GC, Heeger AJ. J Am Chem Soc, 2008, 130: 3619–3623
Nguyen TL, Choi H, Ko SJ, Uddin MA, Walker B, Yum S, Jeong JE, Yun MH, Shin TJ, Hwang S, Kim JY, Woo HY. Energy Environ Sci, 2014, 7: 3040–3051
Guo X, Cui C, Zhang M, Huo L, Huang Y, Hou J, Li Y. Energy Environ Sci, 2012, 5: 7943–7949
Yao Y, Hou J, Xu Z, Li G, Yang Y. Adv Funct Mater, 2008, 18: 1783–1789
Wu JL, Chen FC, Hsiao YS, Chien FC, Chen P, Kuo CH, Huang MH, Hsu CS. ACS Nano, 2011, 5: 959–967
Ma W, Yang C, Gong X, Lee K, Heeger AJ. Adv Funct Mater, 2005, 15: 1617–1622
Li S, Yan J, Li CZ, Liu F, Shi M, Chen H, Russell TP. J Mater Chem A, 2016, 4: 3777–3783
Hardin BE, Snaith HJ, Mcgehee MD. Nat Photon, 2012, 6: 162–169
Jørgensen M, Norrman K, Krebs FC. Sol Energ Mat Sol Cell, 2008, 92: 686–714
Cheng P, Zhan X. Chem Soc Rev, 2016, 45: 2544–2582
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Zhao, W., Zhang, S. & Hou, J. Realizing 11.3% efficiency in fullerene-free polymer solar cells by device optimization. Sci. China Chem. 59, 1574–1582 (2016). https://doi.org/10.1007/s11426-016-0198-0
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DOI: https://doi.org/10.1007/s11426-016-0198-0