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A series of poly(3-hexylthiophene) (P3HT)/indene-C60 bisadduct (ICBA) bulk heterojunction polymer solar cells is fabricated with different cholesteric liquid crystalline (LC)-cholesteryl chloride doping concentrations. The open circuit voltage (Voc) is increased from 0.78 V to 0.65 V, meanwhile the short circuit current density (Jsc) is reduced from 4.23 mA·cm-2 to 4.10 mA·cm-2 when the LC doping concentration is 5%, and fill factor is almost unchanged. The optimized power conversion efficiency of polymer solar cells (PSCs) with LC doping is about 1.51%. The crystallinity of the active layer and the light absorption characteristics are analyzed by X-ray diffraction, photoluminescence, UV-visible absorption spectroscopy and atomic force microscope, respectively.
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Keywords:
- polymers /
- cholesteric liquid crystal /
- morphology /
- P3HT: ICBA
[1] Tang C W 1986 Appl. Phys. Lett. 48 183
[2] Qing J, Zhong Z F, Liu Y, Li B J, Zhou X 2014 Chin. Phys. B 23 038802
[3] Xu Z X, Roy V A L 2013 Chin. Phys. B 22 128505
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[9] Li M, Ma H, Liu H R, Jiang Y R, Niu H Y, Amat A 2014 Appl. Phys. Lett. 104 253905
[10] He Z C, Zhong C M, Su S J, Xu M, Wu H B, Cao Y 2012 Nat. Photon. 6 591
[11] Li G, Zhu R, Yang Y 2012 Nat. Photon. 6 153
[12] Cai W Z, Gong X, Cao Y 2010 Sol. Energy Mater. Sol. Cells 94 114
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[14] Zhang Y P, Li Y, Li C Z, Wang W W, Zhang J Y, Wang R M 2012 Rare Metals 31 168
[15] Kim H, Park J, Lee S, Ha C S, Kim Y 2011 Sol. Energy Mater. Sol. C 95 349
[16] Wang P, Guo R D, Chen Y, Yue S Z, Zhao Y, Liu S Y 2013 Acta Phys. Sin. 62 088801 (in Chinese) [王鹏, 郭闰达, 陈宇, 岳守振, 赵毅, 刘式墉 2013 物理学报 62 088801]
[17] Derbal-Habak H, Bergeret C, Cousseau J, Nunzi J M 2011 Sol. Energy Mater. Sol. Cells 95 S53
[18] Liu Z Y, He D W, Wang Y S, Wu H P, Wang J G 2010 Synth. Met. 160 1036
[19] Gu J H, Zhong Z Y, He X, Sun F L, Chen S B 2009 J. South-Central Univ. Natl. (Nat. Sci. Edition) 28 57 (in Chinese) [顾锦华, 钟志有, 何翔, 孙奉娄, 陈首部 2009 中南民族大学学报: 自然科学版 28 57]
[20] Suzuki A, Zushi M, Suzuki H, Ogahara S, Akiyama T, Oku T 2014 AIP Conf. Proc. 1585 164
[21] Lee J M, Kwon B H, Park H I, Kim H, Kim M G, Park J S, Kim E S, Yoo S, Jeon D Y, Kim S O 2013 Adv. Mater. 25 2011
[22] Yu H Z 2012 J. Funct Mater. 43 2970 (in Chinese) [於黄忠 2012 功能材料 43 2970]
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[1] Tang C W 1986 Appl. Phys. Lett. 48 183
[2] Qing J, Zhong Z F, Liu Y, Li B J, Zhou X 2014 Chin. Phys. B 23 038802
[3] Xu Z X, Roy V A L 2013 Chin. Phys. B 22 128505
[4] Li M, Wang C K, Li C X, Wang J M, Ma H 2013 Electron. Compon. Mater. 32 21 (in Chinese) [李萌, 王传坤, 李晨希, 王金淼, 马恒 2013 电子元件与材料 32 21]
[5] Kim J Y, Noh S, Kwak J, Lee C 2013 J. Nanosci. Nanotechnol. 13 3360
[6] Mhlbacher D, Scharber M, Morana M, Zhu Z, Waller D, Gaudiana R, Brabec C 2006 Adv. Mater. 18 2884
[7] Yang S P, Li N, Li G, Shi J B, Li X W, Fu G S 2013 Acta Phys. Sin. 62 014702 (in Chinese) [杨少鹏, 李娜, 李光, 史江波, 李晓苇, 傅广生 2013 物理学报 62 014702]
[8] Yu H Z, Wen Y X 2011 Acta Phys. Sin. 60 038401 (in Chinese) [於黄忠, 温源鑫 2011 物理学报 60 038401]
[9] Li M, Ma H, Liu H R, Jiang Y R, Niu H Y, Amat A 2014 Appl. Phys. Lett. 104 253905
[10] He Z C, Zhong C M, Su S J, Xu M, Wu H B, Cao Y 2012 Nat. Photon. 6 591
[11] Li G, Zhu R, Yang Y 2012 Nat. Photon. 6 153
[12] Cai W Z, Gong X, Cao Y 2010 Sol. Energy Mater. Sol. Cells 94 114
[13] Gao Y, Yip H L, Chen K S, O'malley K M, Acton O, Sun Y, Ting G, Chen H Z, Jen A K Y 2011 Adv. Mater. 23 1903
[14] Zhang Y P, Li Y, Li C Z, Wang W W, Zhang J Y, Wang R M 2012 Rare Metals 31 168
[15] Kim H, Park J, Lee S, Ha C S, Kim Y 2011 Sol. Energy Mater. Sol. C 95 349
[16] Wang P, Guo R D, Chen Y, Yue S Z, Zhao Y, Liu S Y 2013 Acta Phys. Sin. 62 088801 (in Chinese) [王鹏, 郭闰达, 陈宇, 岳守振, 赵毅, 刘式墉 2013 物理学报 62 088801]
[17] Derbal-Habak H, Bergeret C, Cousseau J, Nunzi J M 2011 Sol. Energy Mater. Sol. Cells 95 S53
[18] Liu Z Y, He D W, Wang Y S, Wu H P, Wang J G 2010 Synth. Met. 160 1036
[19] Gu J H, Zhong Z Y, He X, Sun F L, Chen S B 2009 J. South-Central Univ. Natl. (Nat. Sci. Edition) 28 57 (in Chinese) [顾锦华, 钟志有, 何翔, 孙奉娄, 陈首部 2009 中南民族大学学报: 自然科学版 28 57]
[20] Suzuki A, Zushi M, Suzuki H, Ogahara S, Akiyama T, Oku T 2014 AIP Conf. Proc. 1585 164
[21] Lee J M, Kwon B H, Park H I, Kim H, Kim M G, Park J S, Kim E S, Yoo S, Jeon D Y, Kim S O 2013 Adv. Mater. 25 2011
[22] Yu H Z 2012 J. Funct Mater. 43 2970 (in Chinese) [於黄忠 2012 功能材料 43 2970]
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