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A chlorinated copolymer donor demonstrates a 18.13% power conversion efficiency

Jianqiang Qin1, 2, Lixiu Zhang1, Chuantian Zuo1, Zuo Xiao1, , Yongbo Yuan3, Shangfeng Yang4, Feng Hao5, Ming Cheng6, Kuan Sun2, , Qinye Bao7, , Zhengyang Bin8, , Zhiwen Jin9 and Liming Ding1,

+ Author Affiliations

 Corresponding author: Z Xiao, xiaoz@nanoctr.cn; K Sun, kuan.sun@cqu.edu.cn; Q Bao, qybao@clpm.ecnu.edu.cn; Z Bin, binzhengyang@scu.edu.cn; L Ding, ding@nanoctr.cn

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[1]
Lin Y, Wang J, Zhang Z, et al. An electron acceptor challenging fullerenes for efficient polymer solar cells. Adv Mater, 2015, 27, 1170 doi: 10.1002/adma.2014043217
[2]
Yan C, Barlow S, Wang Z, et al. Non-fullerene acceptors for organic solar cells. Nat Rev Mater, 2018, 3, 18003 doi: 10.1038/natrevmats.2018.3
[3]
Yuan J, Zhang Y, Zhou L, et al. Single-junction organic solar cell with over 15% efficiency using fused-ring acceptor with electron-deficient core. Joule, 2019, 3, 1140 doi: 10.1016/j.joule.2019.01.004
[4]
Liu Q, Jiang Y, Jin K, et al. 18% efficiency organic solar cells. Sci Bull, 2020, 65, 272 doi: 10.1016/j.scib.2020.01.001
[5]
Cui Y, Yao H, Zhang J, et al. Single-junction organic photovoltaic cells with approaching 18% efficiency. Adv Mater, 2020, 32, 1908205 doi: 10.1002/adma.201908205
[6]
Lin Y, Adilbekova B, Firdaus Y, et al. 17% efficient organic solar cells based on liquid exfoliated WS2 as a replacement for PEDOT: PSS. Adv Mater, 2019, 31, 1902965 doi: 10.1002/adma.201902965
[7]
Duan C, Ding L. The new era for organic solar cells: non-fullerene small molecular acceptors. Sci Bull, 2020, 65, 1231 doi: 10.1016/j.scib.2020.04.030
[8]
Duan C, Ding L. The new era for organic solar cells: polymer donors. Sci Bull, 2020, 65, 1422 doi: 10.1016/j.scib.2020.04.044
[9]
Xiao Z, Yang S, Yang Z, et al. Carbon-oxygen-bridged ladder-type building blocks for highly efficient nonfullerene acceptors. Adv Mater, 2019, 31, 1804790 doi: 10.1002/adma.201804790
[10]
Xiao Z, Liu F, Geng X, et al. A carbon-oxygen-bridged ladder-type building block for efficient donor and acceptor materials used in organic solar cells. Sci Bull, 2017, 62, 1331 doi: 10.1016/j.scib.2017.09.017
[11]
Xiao Z, Jia X, Li D, et al. 26 mA cm–2 Jsc from organic solar cells with a low-bandgap nonfullerene acceptor. Sci Bull, 2017, 62, 1494 doi: 10.1016/j.scib.2017.10.017
[12]
Xiao Z, Jia X, Ding L, et al. Ternary organic solar cells offer 14% power conversion efficiency. Sci Bull, 2017, 62, 1562 doi: 10.1016/j.scib.2017.11.003
[13]
Li H, Xiao Z, Ding L, et al. Thermostable single-junction organic solar cells with a power conversion efficiency of 14.62%. Sci Bull, 2018, 63, 340 doi: CNKI:SUN:JXTW.0.2018-06-004
[14]
Liu L, Liu Q, Xiao Z, et al. Induced J-aggregation in acceptor alloy enhances photocurrent. Sci Bull, 2019, 64, 1083 doi: CNKI:SUN:JXTW.0.2019-15-009
[15]
Wang T, Qin J, Xiao Z, et al. A 2.16 eV bandgap polymer donor gives 16% power conversion efficiency. Sci Bull, 2020, 65, 179 doi: 10.1016/j.scib.2019.11.030
[16]
Liu J, Liu L, Zuo C, et al. 5H-dithieno[3,2-b:2',3'-d]pyran-5-one unit yields efficient wide-bandgap polymer donors. Sci Bull, 2019, 64, 1655 doi: 10.1016/j.scib.2019.09.001
[17]
Xiong J, Jin K, Jiang Y, et al. Thiolactone copolymer donor gifts organic solar cells a 16.72% efficiency. Sci Bull, 2019, 64, 1573 doi: 10.1016/j.scib.2019.10.002
[18]
Wang T, Qin J, Xiao Z, et al. Multiple conformation locks gift polymer donor high efficiency. Nano Energy, 2020, 77, 105161 doi: 10.1016/j.nanoen.2020.105161
[19]
Liu Q, Jin K, Li W, et al. An efficient medium-bandgap nonfullerene acceptor for organic solar cells. J Mater Chem A, 2020, 8, 8857 doi: 10.1039/D0TA02427A
[20]
Xiong J, Xu J, Jiang Y, et al. Fused-ring bislactone building blocks for polymer donors. Sci Bull, 2020, 65, 1792 doi: 10.1016/j.scib.2020.07.018
[21]
Qin J, Zhang L, Xiao Z, et al. Over 16% efficiency from thick-film organic solar cells. Sci Bull, 2020, 65, 1979 doi: 10.1016/j.scib.2020.08.027
[22]
Brabec C J, Distler A, Du X, et al. Material strategies to accelerate OPV technology toward a GW technology. Adv Energy Mater, 2020, 10, 2001864 doi: 10.1002/aenm.202001864
[23]
Tong Y, Xiao Z, Du X, et al. Progress of the key materials for organic solar cells. Sci China Chem, 2020, 63, 758 doi: 10.1007/s11426-020-9726-0
[24]
Zhang M, Guo X, Ma W, et al. A large-bandgap conjugated polymer for versatile photovoltaic applications with high performance. Adv Mater, 2015, 27, 4655 doi: 10.1002/adma.201502110
[25]
Zhao W, Li S, Yao H, et al. Molecular optimization enables over 13% efficiency in organic solar cells. J Am Chem Soc, 2017, 139, 7148 doi: 10.1021/jacs.7b02677
[26]
Zhao Q, Qu J, He F. Chlorination: An effective strategy for high-performance organic solar cells. Adv Sci, 2020, 7, 2000509 doi: 10.1002/advs.202000509
[27]
Li Y, Meng B, Tong H, et al. A chlorinated phenazine-based donor-acceptor copolymer with enhanced photovoltaic performance. Polym Chem, 2014, 5, 1848 doi: 10.1039/C3PY01436C
[28]
Zheng Y Q, Wang Z, Dou J H, et al. Effect of halogenation in isoindigo-based polymers on the phase separation and molecular orientation of bulk heterojunction solar cells. Macromolecules, 2015, 48, 5570 doi: 10.1021/acs.macromol.5b01074
[29]
Mo D, Wang H, Chen H, et al. Chlorination of low-band-gap polymers: Toward high-performance polymer solar cells. Chem Mater, 2017, 29, 2819 doi: 10.1021/acs.chemmater.6b04828
[30]
Ji Z, Xu X, Zhang G, et al. Synergistic effect of halogenation on molecular energy level and photovoltaic performance modulations of highly efficient small molecular materials. Nano Energy, 2017, 40, 214 doi: 10.1016/j.nanoen.2017.08.027
[31]
Zhang S, Qin Y, Zhu J, et al. Over 14% efficiency in polymer solar cells enabled by a chlorinated polymer donor. Adv Mater, 2018, 30, 1800868 doi: 10.1002/adma.201800868
[32]
Ma R, Liu T, Luo Z, et al. Improving open-circuit voltage by a chlorinated polymer donor endows binary organic solar cells efficiencies over 17%. Sci China Chem, 2020, 63, 325 doi: 10.1007/s11426-019-9669-3
[33]
Chen H, Hu D, Yang Q, et al. All-small-molecule organic solar cells with an ordered liquid crystalline donor. Joule, 2019, 3, 3034 doi: 10.1016/j.joule.2019.09.009
[34]
Ye L, Xie Y, Weng K, et al. Insertion of chlorine atoms onto π-bridges of conjugated polymer enables improved photovoltaic performance. Nano Energy, 2019, 58, 220 doi: 10.1016/j.nanoen.2019.01.039
[35]
Su W, Li G, Fan Q, et al. Nonhalogen solvent-processed polymer solar cells based on chlorine and trialkylsilyl substituted conjugated polymers achieve 12.8% efficiency. J Mater Chem A, 2019, 7, 2351 doi: 10.1039/C8TA10662B
[36]
Tang A, Song W, Xiao B, et al. Benzotriazole-based acceptor and donors, coupled with chlorination, achieve a high VOC of 1.24 V and an efficiency of 10.5% in fullerene-free organic solar cells. Chem Mater, 2019, 31, 3941 doi: 10.1021/acs.chemmater.8b05316
[37]
Jeon S J, Han Y W, Moon D K. Chlorine effects of heterocyclic ring-based donor polymer for low-cost and high-performance nonfullerene polymer solar cells. Sol RRL, 2019, 3, 1900094 doi: 10.1002/solr.201970071
[38]
Wang T, Sun R, Xu S, et al. A wide-bandgap D-A copolymer donor based on a chlorine substituted acceptor unit for high performance polymer solar cells. J Mater Chem A, 2019, 7, 14070 doi: 10.1039/C9TA03272J
[39]
Huang J, Xie L, Hong L, et al. Significant influence of halogenation on the energy levels and molecular configurations of polymers in DTBDT-based polymer solar cells. Mater Chem Front, 2019, 3, 1244 doi: 10.1039/C9QM00212J
[40]
Wang Q, Li M, Zhang X, et al. Carboxylate-substituted polythiophenes for efficient fullerene-free polymer solar cells: The effect of chlorination on their properties. Macromolecules, 2019, 52, 4464 doi: 10.1021/acs.macromol.9b00793
[41]
Liao Z, Xie Y, Chen L, et al. Fluorobenzotriazole (FTAZ)-based polymer donor enables organic solar cells exceeding 12% efficiency. Adv Funct Mater, 2019, 29, 1808828 doi: 10.1002/adfm.201808828
[42]
Qin J, Lan L, Chen S, et al. Recent progress in flexible and stretchable organic solar cells. Adv Funct Mater, 2020, 30, 2002529 doi: 10.1002/adfm.202002529
[43]
Sun W, Zheng Y, Yang K, et al. Machine learning-assisted molecular design and efficiency prediction for high-performance organic photovoltaic materials. Sci Adv, 2019, 5, eaay4275 doi: 10.1126/sciadv.aay4275
[44]
Wang Z, Peng Z, Xiao Z, et al. Thermodynamic properties and molecular packing explain performance and processing procedures of three D18:NFA organic solar cells. Adv Mater, 2020, 32, 2005386 doi: 10.1002/adma.202005386
[45]
Jiang K, Wei Q, Lai J Y L, et al. Alkyl chain tuning of small molecule acceptors for efficient organic solar cells. Joule, 2019, 3, 3020 doi: 10.1016/j.joule.2019.09.010
[46]
Ziffer M E, Jo S B, Liu Y, et al. Tuning H- and J-aggregate behavior in π-conjugated polymers via noncovalent interactions. J Phys Chem C, 2018, 122, 18860 doi: 10.1021/acs.jpcc.8b05505
[47]
Xiao Z, Geng X, He D, et al. Development of isomer-free fullerene bisadducts for efficient polymer solar cells. Energy Environ Sci, 2016, 9, 2114 doi: 10.1039/C6EE01026A
[48]
An M, Xie F, Geng X, et al. A high-performance D-A copolymer based on dithieno[3,2-b:2',3'-d]pyridin-5(4H)-one unit compatible with fullerene and nonfullerene acceptors in solar cells. Adv Energy Mater, 2017, 7, 1602509 doi: 10.1002/aenm.201602509
[49]
Wang J, Gao Y, Xiao Z, et al. A wide-bandgap copolymer donor based on a phenanthridin-6(5H)-one unit. Mater Chem Front, 2019, 3, 2686 doi: 10.1039/C9QM00622B
[50]
Zhang L, Jin K, Xiao Z, et al. Alkoxythiophene and alkylthiothiophene π-bridges enhance the performance of A-D-A electron acceptors. Mater Chem Front, 2019, 3, 492 doi: 10.1039/C8QM00647D
[51]
Gao Y, Li D, Xiao Z, et al. High-performance wide-bandgap copolymers with dithieno[3,2-b:2',3'-d]pyridin-5(4H)-one units. Mater Chem Front, 2019, 3, 399 doi: 10.1039/C8QM00604K
[52]
Jin K, Deng C, Zhang L, et al. A heptacyclic carbon-oxygen-bridged ladder-type building block for A-D-A acceptors. Mater Chem Front, 2018, 2, 1716 doi: 10.1039/C8QM00285A
[53]
Li W, Liu Q, Jin K, et al. Fused-ring phenazine building blocks for efficient copolymer donors. Mater Chem Front, 2020, 4, 1454 doi: 10.1039/D0QM00080A
Fig. 1.  (Color online) A highly efficient chlorinated copolymer donor D18-Cl. (a) The chemical structures for D18, D18-Cl, Y6 and N3. (b) Absorption spectra for D18-Cl solution, D18-Cl film, Y6 film and N3 film. (c) JV curves for D18-Cl:Y6 and D18-Cl:N3 solar cells. (d) EQE spectra for D18-Cl:Y6 and D18-Cl:N3 solar cells. (e) Progress of chlorinated-donor-based OSCs.

[1]
Lin Y, Wang J, Zhang Z, et al. An electron acceptor challenging fullerenes for efficient polymer solar cells. Adv Mater, 2015, 27, 1170 doi: 10.1002/adma.2014043217
[2]
Yan C, Barlow S, Wang Z, et al. Non-fullerene acceptors for organic solar cells. Nat Rev Mater, 2018, 3, 18003 doi: 10.1038/natrevmats.2018.3
[3]
Yuan J, Zhang Y, Zhou L, et al. Single-junction organic solar cell with over 15% efficiency using fused-ring acceptor with electron-deficient core. Joule, 2019, 3, 1140 doi: 10.1016/j.joule.2019.01.004
[4]
Liu Q, Jiang Y, Jin K, et al. 18% efficiency organic solar cells. Sci Bull, 2020, 65, 272 doi: 10.1016/j.scib.2020.01.001
[5]
Cui Y, Yao H, Zhang J, et al. Single-junction organic photovoltaic cells with approaching 18% efficiency. Adv Mater, 2020, 32, 1908205 doi: 10.1002/adma.201908205
[6]
Lin Y, Adilbekova B, Firdaus Y, et al. 17% efficient organic solar cells based on liquid exfoliated WS2 as a replacement for PEDOT: PSS. Adv Mater, 2019, 31, 1902965 doi: 10.1002/adma.201902965
[7]
Duan C, Ding L. The new era for organic solar cells: non-fullerene small molecular acceptors. Sci Bull, 2020, 65, 1231 doi: 10.1016/j.scib.2020.04.030
[8]
Duan C, Ding L. The new era for organic solar cells: polymer donors. Sci Bull, 2020, 65, 1422 doi: 10.1016/j.scib.2020.04.044
[9]
Xiao Z, Yang S, Yang Z, et al. Carbon-oxygen-bridged ladder-type building blocks for highly efficient nonfullerene acceptors. Adv Mater, 2019, 31, 1804790 doi: 10.1002/adma.201804790
[10]
Xiao Z, Liu F, Geng X, et al. A carbon-oxygen-bridged ladder-type building block for efficient donor and acceptor materials used in organic solar cells. Sci Bull, 2017, 62, 1331 doi: 10.1016/j.scib.2017.09.017
[11]
Xiao Z, Jia X, Li D, et al. 26 mA cm–2 Jsc from organic solar cells with a low-bandgap nonfullerene acceptor. Sci Bull, 2017, 62, 1494 doi: 10.1016/j.scib.2017.10.017
[12]
Xiao Z, Jia X, Ding L, et al. Ternary organic solar cells offer 14% power conversion efficiency. Sci Bull, 2017, 62, 1562 doi: 10.1016/j.scib.2017.11.003
[13]
Li H, Xiao Z, Ding L, et al. Thermostable single-junction organic solar cells with a power conversion efficiency of 14.62%. Sci Bull, 2018, 63, 340 doi: CNKI:SUN:JXTW.0.2018-06-004
[14]
Liu L, Liu Q, Xiao Z, et al. Induced J-aggregation in acceptor alloy enhances photocurrent. Sci Bull, 2019, 64, 1083 doi: CNKI:SUN:JXTW.0.2019-15-009
[15]
Wang T, Qin J, Xiao Z, et al. A 2.16 eV bandgap polymer donor gives 16% power conversion efficiency. Sci Bull, 2020, 65, 179 doi: 10.1016/j.scib.2019.11.030
[16]
Liu J, Liu L, Zuo C, et al. 5H-dithieno[3,2-b:2',3'-d]pyran-5-one unit yields efficient wide-bandgap polymer donors. Sci Bull, 2019, 64, 1655 doi: 10.1016/j.scib.2019.09.001
[17]
Xiong J, Jin K, Jiang Y, et al. Thiolactone copolymer donor gifts organic solar cells a 16.72% efficiency. Sci Bull, 2019, 64, 1573 doi: 10.1016/j.scib.2019.10.002
[18]
Wang T, Qin J, Xiao Z, et al. Multiple conformation locks gift polymer donor high efficiency. Nano Energy, 2020, 77, 105161 doi: 10.1016/j.nanoen.2020.105161
[19]
Liu Q, Jin K, Li W, et al. An efficient medium-bandgap nonfullerene acceptor for organic solar cells. J Mater Chem A, 2020, 8, 8857 doi: 10.1039/D0TA02427A
[20]
Xiong J, Xu J, Jiang Y, et al. Fused-ring bislactone building blocks for polymer donors. Sci Bull, 2020, 65, 1792 doi: 10.1016/j.scib.2020.07.018
[21]
Qin J, Zhang L, Xiao Z, et al. Over 16% efficiency from thick-film organic solar cells. Sci Bull, 2020, 65, 1979 doi: 10.1016/j.scib.2020.08.027
[22]
Brabec C J, Distler A, Du X, et al. Material strategies to accelerate OPV technology toward a GW technology. Adv Energy Mater, 2020, 10, 2001864 doi: 10.1002/aenm.202001864
[23]
Tong Y, Xiao Z, Du X, et al. Progress of the key materials for organic solar cells. Sci China Chem, 2020, 63, 758 doi: 10.1007/s11426-020-9726-0
[24]
Zhang M, Guo X, Ma W, et al. A large-bandgap conjugated polymer for versatile photovoltaic applications with high performance. Adv Mater, 2015, 27, 4655 doi: 10.1002/adma.201502110
[25]
Zhao W, Li S, Yao H, et al. Molecular optimization enables over 13% efficiency in organic solar cells. J Am Chem Soc, 2017, 139, 7148 doi: 10.1021/jacs.7b02677
[26]
Zhao Q, Qu J, He F. Chlorination: An effective strategy for high-performance organic solar cells. Adv Sci, 2020, 7, 2000509 doi: 10.1002/advs.202000509
[27]
Li Y, Meng B, Tong H, et al. A chlorinated phenazine-based donor-acceptor copolymer with enhanced photovoltaic performance. Polym Chem, 2014, 5, 1848 doi: 10.1039/C3PY01436C
[28]
Zheng Y Q, Wang Z, Dou J H, et al. Effect of halogenation in isoindigo-based polymers on the phase separation and molecular orientation of bulk heterojunction solar cells. Macromolecules, 2015, 48, 5570 doi: 10.1021/acs.macromol.5b01074
[29]
Mo D, Wang H, Chen H, et al. Chlorination of low-band-gap polymers: Toward high-performance polymer solar cells. Chem Mater, 2017, 29, 2819 doi: 10.1021/acs.chemmater.6b04828
[30]
Ji Z, Xu X, Zhang G, et al. Synergistic effect of halogenation on molecular energy level and photovoltaic performance modulations of highly efficient small molecular materials. Nano Energy, 2017, 40, 214 doi: 10.1016/j.nanoen.2017.08.027
[31]
Zhang S, Qin Y, Zhu J, et al. Over 14% efficiency in polymer solar cells enabled by a chlorinated polymer donor. Adv Mater, 2018, 30, 1800868 doi: 10.1002/adma.201800868
[32]
Ma R, Liu T, Luo Z, et al. Improving open-circuit voltage by a chlorinated polymer donor endows binary organic solar cells efficiencies over 17%. Sci China Chem, 2020, 63, 325 doi: 10.1007/s11426-019-9669-3
[33]
Chen H, Hu D, Yang Q, et al. All-small-molecule organic solar cells with an ordered liquid crystalline donor. Joule, 2019, 3, 3034 doi: 10.1016/j.joule.2019.09.009
[34]
Ye L, Xie Y, Weng K, et al. Insertion of chlorine atoms onto π-bridges of conjugated polymer enables improved photovoltaic performance. Nano Energy, 2019, 58, 220 doi: 10.1016/j.nanoen.2019.01.039
[35]
Su W, Li G, Fan Q, et al. Nonhalogen solvent-processed polymer solar cells based on chlorine and trialkylsilyl substituted conjugated polymers achieve 12.8% efficiency. J Mater Chem A, 2019, 7, 2351 doi: 10.1039/C8TA10662B
[36]
Tang A, Song W, Xiao B, et al. Benzotriazole-based acceptor and donors, coupled with chlorination, achieve a high VOC of 1.24 V and an efficiency of 10.5% in fullerene-free organic solar cells. Chem Mater, 2019, 31, 3941 doi: 10.1021/acs.chemmater.8b05316
[37]
Jeon S J, Han Y W, Moon D K. Chlorine effects of heterocyclic ring-based donor polymer for low-cost and high-performance nonfullerene polymer solar cells. Sol RRL, 2019, 3, 1900094 doi: 10.1002/solr.201970071
[38]
Wang T, Sun R, Xu S, et al. A wide-bandgap D-A copolymer donor based on a chlorine substituted acceptor unit for high performance polymer solar cells. J Mater Chem A, 2019, 7, 14070 doi: 10.1039/C9TA03272J
[39]
Huang J, Xie L, Hong L, et al. Significant influence of halogenation on the energy levels and molecular configurations of polymers in DTBDT-based polymer solar cells. Mater Chem Front, 2019, 3, 1244 doi: 10.1039/C9QM00212J
[40]
Wang Q, Li M, Zhang X, et al. Carboxylate-substituted polythiophenes for efficient fullerene-free polymer solar cells: The effect of chlorination on their properties. Macromolecules, 2019, 52, 4464 doi: 10.1021/acs.macromol.9b00793
[41]
Liao Z, Xie Y, Chen L, et al. Fluorobenzotriazole (FTAZ)-based polymer donor enables organic solar cells exceeding 12% efficiency. Adv Funct Mater, 2019, 29, 1808828 doi: 10.1002/adfm.201808828
[42]
Qin J, Lan L, Chen S, et al. Recent progress in flexible and stretchable organic solar cells. Adv Funct Mater, 2020, 30, 2002529 doi: 10.1002/adfm.202002529
[43]
Sun W, Zheng Y, Yang K, et al. Machine learning-assisted molecular design and efficiency prediction for high-performance organic photovoltaic materials. Sci Adv, 2019, 5, eaay4275 doi: 10.1126/sciadv.aay4275
[44]
Wang Z, Peng Z, Xiao Z, et al. Thermodynamic properties and molecular packing explain performance and processing procedures of three D18:NFA organic solar cells. Adv Mater, 2020, 32, 2005386 doi: 10.1002/adma.202005386
[45]
Jiang K, Wei Q, Lai J Y L, et al. Alkyl chain tuning of small molecule acceptors for efficient organic solar cells. Joule, 2019, 3, 3020 doi: 10.1016/j.joule.2019.09.010
[46]
Ziffer M E, Jo S B, Liu Y, et al. Tuning H- and J-aggregate behavior in π-conjugated polymers via noncovalent interactions. J Phys Chem C, 2018, 122, 18860 doi: 10.1021/acs.jpcc.8b05505
[47]
Xiao Z, Geng X, He D, et al. Development of isomer-free fullerene bisadducts for efficient polymer solar cells. Energy Environ Sci, 2016, 9, 2114 doi: 10.1039/C6EE01026A
[48]
An M, Xie F, Geng X, et al. A high-performance D-A copolymer based on dithieno[3,2-b:2',3'-d]pyridin-5(4H)-one unit compatible with fullerene and nonfullerene acceptors in solar cells. Adv Energy Mater, 2017, 7, 1602509 doi: 10.1002/aenm.201602509
[49]
Wang J, Gao Y, Xiao Z, et al. A wide-bandgap copolymer donor based on a phenanthridin-6(5H)-one unit. Mater Chem Front, 2019, 3, 2686 doi: 10.1039/C9QM00622B
[50]
Zhang L, Jin K, Xiao Z, et al. Alkoxythiophene and alkylthiothiophene π-bridges enhance the performance of A-D-A electron acceptors. Mater Chem Front, 2019, 3, 492 doi: 10.1039/C8QM00647D
[51]
Gao Y, Li D, Xiao Z, et al. High-performance wide-bandgap copolymers with dithieno[3,2-b:2',3'-d]pyridin-5(4H)-one units. Mater Chem Front, 2019, 3, 399 doi: 10.1039/C8QM00604K
[52]
Jin K, Deng C, Zhang L, et al. A heptacyclic carbon-oxygen-bridged ladder-type building block for A-D-A acceptors. Mater Chem Front, 2018, 2, 1716 doi: 10.1039/C8QM00285A
[53]
Li W, Liu Q, Jin K, et al. Fused-ring phenazine building blocks for efficient copolymer donors. Mater Chem Front, 2020, 4, 1454 doi: 10.1039/D0QM00080A

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    Received: 18 December 2020 Revised: Online: Accepted Manuscript: 18 December 2020Uncorrected proof: 18 December 2020Published: 09 January 2021

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      Jianqiang Qin, Lixiu Zhang, Chuantian Zuo, Zuo Xiao, Yongbo Yuan, Shangfeng Yang, Feng Hao, Ming Cheng, Kuan Sun, Qinye Bao, Zhengyang Bin, Zhiwen Jin, Liming Ding. A chlorinated copolymer donor demonstrates a 18.13% power conversion efficiency[J]. Journal of Semiconductors, 2021, 42(1): 010501. doi: 10.1088/1674-4926/42/1/010501 J Q Qin, L X Zhang, C T Zuo, Z Xiao, Y B Yuan, S F Yang, F Hao, M Cheng, K Sun, Q Y Bao, Z Y Bin, Z W Jin, L M Ding, A chlorinated copolymer donor demonstrates a 18.13% power conversion efficiency[J]. J. Semicond., 2021, 42(1): 010501. doi: 10.1088/1674-4926/42/1/010501.Export: BibTex EndNote
      Citation:
      Jianqiang Qin, Lixiu Zhang, Chuantian Zuo, Zuo Xiao, Yongbo Yuan, Shangfeng Yang, Feng Hao, Ming Cheng, Kuan Sun, Qinye Bao, Zhengyang Bin, Zhiwen Jin, Liming Ding. A chlorinated copolymer donor demonstrates a 18.13% power conversion efficiency[J]. Journal of Semiconductors, 2021, 42(1): 010501. doi: 10.1088/1674-4926/42/1/010501

      J Q Qin, L X Zhang, C T Zuo, Z Xiao, Y B Yuan, S F Yang, F Hao, M Cheng, K Sun, Q Y Bao, Z Y Bin, Z W Jin, L M Ding, A chlorinated copolymer donor demonstrates a 18.13% power conversion efficiency[J]. J. Semicond., 2021, 42(1): 010501. doi: 10.1088/1674-4926/42/1/010501.
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      A chlorinated copolymer donor demonstrates a 18.13% power conversion efficiency

      doi: 10.1088/1674-4926/42/1/010501
      More Information
      • Jianqiang Qin:got his MS degree from Henan University in 2018. Now he is a PhD student at Chongqing University under the supervision of Prof. Kuan Sun. Since January 2019, he has been working in Liming Ding Group at National Center for Nanoscience and Technology as a visiting student. His current research focuses on organic solar cells
      • Zuo Xiao:got his BS and PhD degrees from Peking University under the supervision of Prof. Liangbing Gan. He did postdoctoral research in Eiichi Nakamura Lab at the University of Tokyo. In March 2011, he joined Liming Ding Group at National Center for Nanoscience and Technology as an associate professor. In April 2020, he was promoted to be a full professor. His current research focuses on organic solar cells
      • Kuan Sun:is a tenured Associate Professor at School of Energy & Power Engineering in Chongqing University. He is a deputy dean of the School and a vice director of MOE Key Laboratory of Low-Grade Energy Utilization Technologies and Systems. His current research interests include functional materials and devices for photovoltaic, thermoelectric and photothermal energy conversions
      • Qinye Bao:is a professor in School of Physics and Electronic Science at East China Normal University. He received his BS in Materials Science in 2008 and MS in 2011 from Soochow University, and his PhD in Surface Physics and Chemistry in 2015 from Linköping University, Sweden. The focus of his work is on surface science techniques to reveal the relationship between interface electronic structures and device performance, especially for application in organic solar cells, OLEDs, and perovskite-based optoelectronic devices
      • Zhengyang Bin:received his PhD degree in Department of Chemistry, Tsinghua University in 2018, supervised by Prof. Yong Qiu. He is now working in College of Chemistry, Sichuan University. His research focuses on novel organic semiconductors for optoelectronic devices
      • Liming Ding:got his PhD from University of Science and Technology of China (was a joint student at Changchun Institute of Applied Chemistry, CAS). He started his research on OSCs and PLEDs in Olle Inganäs Lab in 1998. Later on, he worked at National Center for Polymer Research, Wright-Patterson Air Force Base and Argonne National Lab (USA). He joined Konarka as a Senior Scientist in 2008. In 2010, he joined National Center for Nanoscience and Technology as a full professor. His research focuses on functional materials and devices. He is RSC Fellow, the nominator for Xplorer Prize, and the Associate Editors for Science Bulletin and Journal of Semiconductors
      • Corresponding author: Z Xiao, xiaoz@nanoctr.cn; K Sun, kuan.sun@cqu.edu.cn; Q Bao, qybao@clpm.ecnu.edu.cn; Z Bin, binzhengyang@scu.edu.cn; L Ding, ding@nanoctr.cn
      • Received Date: 2020-12-18
      • Published Date: 2021-01-10

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