[1] [1] M. Kaltenbrunner, M. S. White, E. D. Glowacki et al.. Ultrathin and lightweight organic solar cells with high flexibility [J]. Nature Commun., 2012, 3: 770

[2] [2] M. Manceau, D. Angmo, M. Jorgensen et al.. ITO-free flexible polymer solar cells: From small model devices to roll-to-roll processed large modules [J]. Org. Electron., 2011, 12(4): 566～574

[3] [3] M. G. Kang, H. J. Park, S. H. Ahn et al.. Transparent Cu nanowire mesh electrode on flexible substrates fabricated by transfer printing and its application in organic solar cells [J]. Sol. Energ. Mat. & Sol. Cell, 2010, 94(6): 1179～1184

[4] [4] C. C. Chen, L. T. Dou, R. Zhu et al.. Visibly transparent polymer solar cells produced by solution processing [J]. ACS Nano, 2012, 6(8): 7185～7190

[5] [5] G. Li, R. Zhu, Y. Yang. Polymer solar cells [J]. Nature Photon., 2012, 6(3): 153～161

[6] [6] D. J. Lipomi, B. C. K. Tee, M. Vosgueritchian et al.. Stretchable organic solar cells [J]. Adv. Mater., 2011, 23(15): 1771～1775

[7] [7] H. J. Park, T. Xu, J. Y. Lee et al.. Photonic color filters integrated with organic solar cells for energy harvesting [J]. ACS Nano, 2011, 5(9): 7055～7060

[8] [8] S. Lizin, P. S. Van, S. E. De et al.. The future of organic photovoltaic solar cells as a direct power source for consumer electronics [J]. Sol. Energ. Mat. Sol. Cells, 2012, 103: 1～10

[9] [9] S. D. Zilio, K. Tvingstedt, O. Ingans et al.. Fabrication of a light trapping system for organic solar cells [J]. Microelectron. Engng., 2009, 86(4-6): 1150～1154

[10] [10] N. C. Lindquist, W. A. Luhman, S. H. Oh et al.. Plasmonic nanocavity arrays for enhanced efficiency in organic photovoltaic cells [J]. Appl. Phys. Lett., 2008, 93(12): 123308

[11] [11] M. A. Green, S. Pillai. Harnessing plasmonics for solar cells [J]. Nature Photon., 2012, 6(3): 130～132

[12] [12] D. H. Ko, J. R. Tumbleston, A. Gadisa et al.. Light trapping nano structures in organic photovoltaic cells [J]. J. Mater. Chem., 2011, 21(41): 16293～16303

[13] [13] D. Duche, E. Drouard, J. J. Simon et al.. Light harvesting in organic solar cells [J]. Sol. Energ. Mat. & Sol. Cells, 2011, 95(S1): 18～25

[14] [14] Wang Kunxia, Feng Shimeng, Xu Huatian et al.. Relation between the multicrystalline silicon surface structure and the pit-trap effect [J]. Acta Optica Sinica, 2011, 32(3): 0324001

[15] [15] Wu Wenwei, Xu Jiaming, Chen Hongyan. Simulation of optical model based on micro-cones structure of “black silicon” [J]. Chinese J. Lasers, 2011, 38(6): 0603029

[16] [16] Qian Chaofeng, Wang Qingkang, Li Haihua. Design of black silicon with ultra-light-trapping structure [J]. Acta Optica Sinica, 2011, 31(10): 1005007

[17] [17] H. A. Atwater, A. Polman. Plasmonics for improved photovoltaic devices [J]. Nature Mater., 2010, 9(3): 205～213

[18] [18] N. Kalfagiannis, P. G. Karagiannidis, C. Pitsalidis et al.. Plasmonic silver nanoparticles for improved organic solar cells [J]. Sol. Energ. Mat. & Sol. Cells, 2012, 104: 165～174

[19] [19] K. Q. Le, A. Abass, B. Maes et al.. Comparing plasmonic and dielectric gratings for absorption enhancement in thin film organic solar cells [J]. Opt. Express, 2012, 20(1): 39～50

[20] [20] M. A. Sefunc, A. K. Okyay, D. H. Volkan. Volumetric plasmonic resonator architecture for thin-film solar cell [J]. Appl. Phys. Lett., 2011, 98(9): 093117

[21] [21] H. H. Shen, B. Maes. Combined plasmonic gratings in organic solar cells [J]. Opt. Express, 2011, 19(S6): A1202～A1210

[22] [22] Y. D. Hou, S. H. Li, S. Ye et al.. Using self-assembly technology to fabricate silver particle array for organic photovoltaic devices [J]. Microelectron. Engng., 2012, 98: 428～432

[23] [23] A. Abass, H. H. Shen, P. Bienstman et al.. Angle insensitive enhancement of organic solar cells using metallic gratings [J]. J. Appl. Phys., 2011, 109(2): 023111

[24] [24] V. E. Ferry, L. A. Sweatlock, D. Pacifici et al.. Plasmonic nanostructure design for efficient light coupling into solar cells [J]. Nano Lett., 2008, 8(12): 4391～4397

[25] [25] X. Chen, B. H. Jia, J. K. Saha et al.. Broadband enhancement in thin-film amorphous silicon solar cells enabled by nucleated silver nanoparticles [J]. Nano Lett., 2012, 12(5): 2187～2192

[26] [26] S. H. Park, A. Roy, S. Beaupre et al.. Bulk heterojunction solar cells with internal quantum efficiency approaching 100% [J]. Nature Photon., 2009, 3(5): 297～303

[27] [27] D. H. Ko, J. R. Tumbleston, L. Zhang et al.. Photonic crystal geometry for organic solar cells [J]. Nano Lett., 2009, 9(7): 2742～2746

[28] [28] M. S. Kim, J. S. Kim, J. C. Cho et al.. Flexible conjugated polymer photovoltaic cells with controlled heterojunctions fabricated using nanoimprint lithography [J]. Appl. Phys. Lett., 2007, 90(12): 123113

[29] [29] J. R. Tumbleston, D. H. Ko, E. T. Samulski et al.. Absorption and quasiguided mode analysis of organic solar cells with photonic crystal photoactive layers [J]. Opt. Express, 2009, 17(9): 7670～7681

[30] [30] D. Duché, L. Escoubas, J. J. Simon et al.. Slow Bloch modes for enhancing the absorption of light in thin films for photovoltaic cells [J]. Appl. Phys. Lett., 2008, 92(19): 193310

[31] [31] X. M. He, F. Gao, G. L. Tu et al.. Formation of nanopatterned polymer blends in photovoltaic devices [J]. Nano Lett., 2010, 10(4): 1302～1307

[32] [32] L. Z. Chen, W. E. I. Sha, W. C. H. Choy. Light harvesting improvement of organic solar cells with self-enhanced active layer designs [J]. Opt. Express, 2012, 20(7): 8175～8185

[33] [33] Y. Park, E. Drouard, O. E. Daif. Absorption enhancement using photonic crystals for silicon thin film solar cells [J]. Opt. Express, 2009, 17(16): 14312～14321

[34] [34] K. Tvingstedt, S. D. Zilio, O. Ingans et al.. Trapping light with micro lenses in thin film organic photovoltaic cells [J]. Opt. Express, 2008, 16(26): 21608～21615

[35] [35] M. Niggemann, M. Glatthaar, P. Lewer et al.. Functional microprism substrate for organic solar cells [J]. Thin Solid Films, 2006, 511-512: 628～633

[36] [36] J. W. Liu, M. A. G. Namboothiry, D. L. Carroll. Fiber based architectures for organic photovoltaics [J]. Appl. Phys. Lett., 2007, 90(6): 063501

[37] [37] J. W. Liu, M. A. G. Namboothiry, D. L. Carroll. Optical geometries for fiber-based organic photovoltaics [J]. Appl. Phys. Lett., 2007, 90(13): 133515

[38] [38] M. R. Lee, R. D. Eckert, K. Forberich et al.. Solar power wires based on organic photovoltaic materials [J]. Science, 2009, 324(5924): 232～235

[39] [39] M. R. Lee, R. D. Eckert, K. Forberich et al.. Optical and electronic properties of organic photovoltaic wires and fabrics [J]. J. Macromol. Sci. A, 2009, 46(12): 1238～1246

[40] [40] J. Y. Kim, S. H. Kim, H. H. Lee et al.. New architecture for high-efficiency polymer photovoltaic cells using solution-based titanium oxide as an optical spacer [J]. Adv. Mater., 2006, 18(5): 572～576

[41] [41] Li Xiang, Wen Shangsheng, Yao Rihui et al.. Analysis of optical performance on polymer solar cell based on transfer matrix method [J]. Acta Optica Sinica, 2012, 32(6): 0631002

[42] [42] Cao Jing, Zhan Zhen, Liu Pengyi. Optical simulation based on P3HTPCBM bulk-heterojunction solar cells: a comparison of normal and inverted structures of device [J]. Acta Optica Sinica, 2013, 33(3): 0323004

[43] [43] M. Graetzel, R. A. J. Janssen, D. B. Mitzi et al.. Materials interface engineering for solution processed photovoltaics [J]. Nature, 2012, 488(7411): 304～312

[44] [44] P. Kumar, S. Chand. Recent progress and future aspects of organic solar cells [J]. Prog. Photovolt.: Res. Appl., 2012, 20(4): 377～415

[45] [45] B. V. Andersson, D. M. Huang, A. J. Moulé et al.. An optical spacer is no panacea for light collection in organic solar cells [J]. Appl. Phys. Lett., 2009, 94(4): 043302

[46] [46] S. D. Yambem, K. S. Liao, S. A. Curran. Enhancing current density using vertically oriented organic photovoltaics [J]. Sol. Energ. Mat. & Sol. Cells, 2012, 101: 227～231

[47] [47] S. B. Rim, S. B. Zhao, S. R. Scully et al.. An effective light trapping configuration for thin film solar cells [J]. Appl. Phys. Lett., 2007, 91(24): 243501

[48] [48] W. Cao, J. D. Myers, Y. Zheng et al.. Enhancing light harvesting in organic solar cells with pyramidal rear reflectors [J]. Appl. Phys. Lett., 2011, 99(2): 023306

[49] [49] Z. C. He, C. M Zhong, S. J. Su et al.. Enhanced power conversion efficiency in polymer solar cells using an inverted device structure [J]. Nature Photon., 2012, 6(9): 593～595