[1] PARK S H, ROY A, BEAUPR S, et al.. Bulk heterojunction solar cells with internal quantum efficiency approaching 100%［J］. Nat. Photon., 2009, 3(5):297-302.

[2] KALTENBRUNNER M, WHITE M S, GOWACKI E D, et al.. Ultrathin and lightweight organic solar cells with high flexibility［J］. Nat. Commun., 2011, 3(4):770.

[3] 沙春芳. RR-P3HT和PCBM混合薄膜中的长寿命光激发态研究［J］. 光子学报, 2014, 43(5):0531003-1-6.

    SHA C F. Long lived photoexcitation in RR-P3HT and PCBM blended films［J］. Acta Photon. Sinica, 2014, 43(5):0531003-1-6. (in Chinese)

[4] BLOM P W M, MIHAILETCHI V D, KOSTER L J A, et al.. Device physics of polymer: fullerene bulk heterojunction solar cells［J］. Adv. Mater., 2007, 19(12):1551-1566.

[5] HAU S K, YIP H L, ACTON O, et al.. Interfacial modification to improve inverted polymer solar cells［J］. J. Mater. Chem., 2008, 18(42):5113-5119.

[6] WANG D H, MOON J S, SEIFTER J, et al.. Sequential processing: control of nanomorphology in bulk heterojunction solar cells［J］. Nano Lett., 2011, 11(8):3163-3168.

[7] YOU J B, CHEN C C, DOU L T, et al.. Metal oxide nanoparticles as an electron-transport layer in high-performance and stable inverted polymer solar cells［J］. Adv. Mater., 2012, 24(38):5267-5272.

[8] ZHANG W F, XU Y, WANG H T, et al.. Fe3O4 nanoparticles induced magnetic field effect on efficiency enhancement of P3HT∶PCBM bulk heterojunction polymer solar cells［J］. Solar Energy Mater. Solar Cells, 2011, 95(10):2880-2885.

[9] JELTSCH K F, SCH DEL M, BONEKAMP J B, et al.. Efficiency enhanced hybrid solar cells using a blend of quantum dots and nanorods［J］. Adv. Funct. Mater., 2012, 22(2):397-404.

[10] REN S Q, CHANG L Y, LIM S K, et al.. Inorganic-organic hybrid solar cell: bridging quantum dots to conjugated polymer nanowires［J］. Nano Lett., 2011, 11(9):3998-4002.

[11] 谢世伟,肖啸,谭建军,等. 基于石墨烯基电极染料敏化太阳能电池的研究进展［J］. 中国光学, 2014, 7(1):47-56.

    XIE S W, XIAO X, TAN J J, et al.. Recent progress in dye-sensitized solar cells using graphene-based electrodes［J］. Chin. Opt., 2014, 7(1):47-56. (in Chinese)

[12] LIU F, JANG M H, HA H D, et al.. Facile synthetic method for pristine graphene quantum dots and graphene oxide quantum dots: origin of blue and green luminescence［J］. Adv. Mater., 2013, 25(27):3657-3662.

[13] ZHOU X J, ZHANG Y, WANG C, et al.. Photo-fenton reaction of graphene oxide: a new strategy to prepare graphene quantum dots for DNA cleavage［J］. ASC Nano, 2012, 6(8):6592-6599.

[14] LI M M, NI W, KAN B, et al.. Graphene quantum dots as the hole transport layer material for high-performance organic solar cells［J］. Phys. Chem. Chem. Phys., 2013, 15(43):18973-18978.

[15] KIM J K, PARK M J, KIM S J, et al.. Balancing light absorptivity and carrier conductivity of graphene quantum dots for high-efficiency bulk heterojunction solar cells［J］. ACS Nano, 2013, 7(8):7207-7212.

[16] HUMMERS W S JR, OFFEMAN R E. Preparation of graphitic oxide［J］. J. Am. Chem. Soc., 1958, 80(6):1339.

[17] ZHU S J, ZHANG J H, QIAO C Y, et al.. Strongly green-photoluminescent graphene quantum dots for bioimaging applications［J］. Chem. Commun., 2011, 47(24):6858-6860.

[18] LI Y, HU Y, ZHAO Y, et al.. An electrochemical avenue to green-luminescent graphene quantum dots as potential electron-acceptors for photovoltaics［J］. Adv. Mater., 2011, 23(6):776-780.

[19] KIM H P, YUSOFF A R B M, JANG J. Organic solar cells using a reduced graphene oxide anode buffer layer［J］. Solar Energy Mater. Solar Cells, 2013, 110:87-93.

[20] 黄河洲,贺蕴秋,李文有,等. 电化学法制备的还原氧化石墨烯薄膜及其光电性能研究［J］. 发光学报, 2014, 35(2):142-148.

    HUANG H Z, HE Y Q, LI W Y, et al.. Photoelectric conversion properties of graphene oxide film prepared by electrochemical deposition［J］. Chin. J. Lumin., 2014, 35(2):142-148. (in Chinese)