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采用旋涂法制备了掺杂铜酞菁(CuPc)的聚(2-甲氧基,5-(2-乙基-乙氧基)-对苯乙炔)(MEH-PPV)/ 富勒烯衍生物(PCBM)有机太阳电池. 测试结果表明:掺杂15% CuPc的MEH-PPV/PCBM太阳电池效率(1.41%)比标准的MEH-PPV/PCBM太阳电池(1.26%)提高12%. 器件的吸收谱和迁移率测试表明CuPc导致的吸收谱增强和迁移率提高是器件效率提高的主要原因.
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关键词:
- 有机太阳电池 /
- CuPc掺杂 /
- MEH-PPV/PCBM器件
We fabricate efficient bulk heterojunction organic photovoltaic (OPV) device based on poly(2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene) (MEH-PPV), with copper(Ⅱ) phthalocyanine (CuPc) used as a donor and -phenyl C61-butyric acid methyl ester (PCBM) serving as an acceptor. The power conversion efficiency of the MEH-PPV/PCBM OPV device with 15% CuPc (1.41%) increases by 12% compared with that of the standard MEH-PPV/PCBM device (1.26%). The efficiency improvement can be attributed to the CuPc supplemental absorption and higher mobility than MEH-PPV, leading to increased short-circuit current density.-
Keywords:
- organic photovoltaic /
- CuPc-doping /
- MEH-PPV/PCBM
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[35] -
[1] Forrest S R 2004 Nature 428 911
[2] [3] Sariciftci N S, Smilowitz L, Heeger A J, Wudl F 1992 Science 258 1474
[4] Yu G, Heeger A J 1995 J. Appl. Phys. 78 4510
[5] [6] Chen J W, Cao Y 2009 Acc. Chem. Res. 42 1709
[7] [8] Li Y F, Zou Y P 2008 Adv. Mater. 20 2952
[9] [10] [11] Kim J Y, Lee K, Coates N E, Moses D, Nguyen T Q, Dante M 2007 Science 317 222
[12] Feng W, Xu Y L, Yi W H, Zhou F, Wang X G, Yoshino K 2003 Chin. Phys. 12 426
[13] [14] [15] Li Y W, Liu P Y, Hou L T, Wu B 2010 Acta Phys. Sin. 59 1248 (in Chinese) [李艳武、刘彭义、侯林涛、吴 冰 2010 物理学报 59 1248]
[16] [17] Zhao G J, He Y J, Li Y F 2010 Adv. Mater. 22 4355
[18] Liang Y, Xu Z, Xia J, Tsai S T, Wu Y, Li G 2010 Adv. Mater. 22 E135
[19] [20] Chen H Y, Hou J, Zhang S, Liang Y, Yang G, Yang Y 2009 Nature Photon 3 649
[21] [22] Qiao F, Liu A, Zhou Y, Xiao Y, Ou Yang P 2009 J. Mater. Sci. 44 1283
[23] [24] Yang C H, Qiao J, Sum Q J, Jiang K J, Li Y L, Li Y F 2003 Synthetic Metals 137 1521
[25] [26] [27] Chen W B, Xiang H F, Xu Z X, Yan B P, Roy V A L 2007 Appl. Phys. Lett. 91 191109
[28] Chang E C, Chao C I, Lee R H 2006 J. Appl. Polym. Sci. 101 1919
[29] [30] Zhang C, Tong S W, Jiang C, Kang E T, Chan D S H, Zhu C 2008 Appl. Phys. Lett. 92 083310
[31] [32] [33] McNeill C R, Watts B, Swaraj S, Ade H, Thomsen L, Belcher W 2008 Nanotechnology 19 424015
[34] Gowrishankar V, Scully S R, McGehee M D, Wang Q, Branz H M 2006 Appl. Phys. Lett. 89 252102
[35]
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