[1] GUTER W, SCHONE J, PHILIPPS S P, et al. Current-matched triple-junction solar cell reaching 41.1% conversion efficiency under concentrated sunlight[J]. Applied Physics Letters, 2009, 94(22): 223504.
[3] KING R R, LAW D C, EDMONDSON K M, et al. 40% efficient metamorphic GaInP/GaInAs/Ge multijunction solar cells[J]. Applied Physics Letters, 2007, 90(18): 183516-1-3.
[4] XU Qin-feng, YE Qing, QU Rong-hui, et al. Influence of thermal effect on multi-junction GaInP/GaAs/Ge concentrating photovoltaic system[J]. Chinese Optics Letters, 2010, 8(4): 354-356.
[5] SHOCKLEY W, QUEISSER H J J. Detailed balance limit of efficiency of p-n junction solar cells[J]. Journal of Applied Physics, 1961, 32(3): 510-511.
[6] VOS A D. Detailed balance limit of the efficiency of tandem solar cells[J]. Journal of Physics D: Applied Physics, 1980, 13(5): 839-846.
[7] NISHIWAKI S, SIEBENTRITT S, WALK P, et al. A stacked chalcopyrite thin-film tandem solar cell with 1.2 V open-circuit voltage[J]. Progress in Photovoltaics: Research and Applications, 2003, 11(4): 243-248.
[8] LIU Bao-qi, ZHAO Xiao-peng. Properties of solar cells sensitized by mixed dye of plant[J]. Acta Photonica Sinica, 2006, 35(2): 184-187.
[9] THAMPI K R, GRATZEL M, BREMAUD D, et al. Nanocrystalline dye-sensitized solar cell/copper indium gallium selenide thin-film tandem showing greater than 15% conversion efficiency[J]. Applied Physics Letters, 2006, 88(20): 203103.
[10] KIM J Y, LEE K, COATES N E, et al. Efficient tandem polymer solar cells fabricated by all-solution processing[J]. Science, 2007, 317(5835): 222-225.
[11] LIU Fan-fang, SUN Yun, WANG He, et al. Rapid Thermal AnneaIing on Cu(In,Ga)Se2 films and solar cells with different content ratios[J]. Acta Photonica Sinica, 2009, 38(9): 2188-2191.
[12] FERNANDES P A, SALOME P M P, CUNHA A F Da. A study of ternary Cu2SnS3 and Cu3SnS4 thin films prepared by sulfurizing stacked metal precursors[J]. Journal of Physics D: Applied Physics, 2010, 43(21): 215403.
[13] LI B, XIE Y, HUANG J, et al. Synthesis, characterization, and properties of nanocrystalline Cu2SnS3[J]. Journal of Solid State Chemistry, 2000, 153(1): 170-173.
[14] YOSHINO K, YOKOYAMA H, MAEDA K, et al. Crystal growth and photoluminescence of CuInxGa1-xSe2 alloys[J]. Journal of Crystal Growth, 2000, 211(1-4): 476-479.
[15] FERNANDES P A, SALOME P M P. A study of ternary Cu2SnS3 and Cu3SnS4 thin films prepared by sulfurizing stacked metal precursors[J]. Journal of Physics D: Applied Physics, 2010, 43(21): 215403.
[16] AVELLANEDA D, NAIR M T S, NAIR P K. Cu2SnS3 and Cu4SnS4 thin films via chemical deposition for photovoltaic application[J]. Journal of The Electrochemical Society, 2010, 157(6): D346-D352.
[17] BOUAZIZ M, AMLOUK M, BELGACEM S. Structural and optical properties of Cu2SnS3 sprayed thin films[J]. Thin Solid Films, 2009, 517(7): 2527-2530.
[18] CHEN Qing-miao, DOU Xiao-ming, LI Zhen-qing, et al. Printed ethyl cellulose/CuInSe2 composite light absorber layer and its photovoltaic effect[J]. Journal of Physics D: Applied Physics, 2011, 44(45): 455401.
[19] MARIAN N, JOOP S, ALBERT G. Nanocomposite three-Dimensional solar cells obtained by chemical spray deposition[J]. Nano Letters, 2005, 5(9): 1716-1719.
[20] JOHN T T, BINI S, KASHIWABA Y, et al. Characterization of spray pyrolysed indium sulfide thin films[J]. Semiconductor Science and Technology, 2003, 18(6): 491-500.
[21] COJOCARU-MIREDIN O, CHOI P, WUERZ R, et al. Atomic-scale characterization of the CdS/CuInSe2 interface in thin-film solar cells[J]. Applied Physics Letters, 2011, 98(10): 103504.
[22] BAR M, BARREAU N, COUZINIE-DEVY F, et al. Nondestructive depth-resolved spectroscopic investigation of the heavily intermixed In2S3/Cu(In,Ga)Se2 interface[J]. Applied Physics Letters, 2010, 96(18): 184101.
[23] ROMERO M J, JONES K M, ABUSHAMA J, et al. Surface-layer band gap widening in Cu(In,Ga)Se2 thin films[J]. Applied Physics Letters, 2003, 83(23): 4731-4733.