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借助于强度调制光电流谱(IMPS)和强度调制光电压谱(IMVS)技术,研究了纳米TiO2多孔薄膜在TiCl4溶液处理后组装成的染料敏化太阳电池(DSC)中电子传输和背反应动力学特性. 研究表明:纳米TiO2多孔薄膜经TiCl4溶液处理后,电池中暗电流减小,电子寿命n明显延长,电子传输时间d缩短,电子有效扩散系数Dn增大,电子扩散长度Ln值升高,入射单色光子/电子转化效率IPCE增加,光生电荷量Qoc显著增加. 文章从微观层面上研究了TiCl4溶液处理纳米TiO2多孔薄膜对DSC内部电子的产生、传输和复合过程的影响,从而很好地解释了电池光伏性能随TiCl4溶液处理的变化关系.
[1] Hagfeldt A, Grtzel M 1995 Chem. Rev. 95 49
[2] Frank A J, Kopidakis N, van de Lagemaat J 2004 Coordin. Chem. Rev. 248 1165
[3] [4] [5] Bisquert J, Zaban A, Greenshtein M, Mora-Sero I 2004 J. Am. Chem. Soc. 126 13550
[6] O' Regan B, Grtzel M 1991 Nature 353 737
[7] [8] Chen C Y, Wang M K, Li J Y, Pootrakulchote N, Alibabaei L, Ngoc-le C, Decoppet J D, Tsai J H, Gratzel C, Wu C G, Zakeeruddin S M, Gratzel M 2009 ACS Nano. 3 3103
[9] [10] Dai S Y, Wang K J 2003 Chin. Phys. Lett. 20 953
[11] [12] [13] Zhao X C, Yang P, Lin H, Li X, Xu C Y, Li J B 2010 J. Chin. Ceram. Soc. 38 25 (in Chinese) [赵晓冲、杨 盼、林 红、李 鑫、许晨阳、李建保 2010 硅酸盐学报 38 25]
[14] [15] Zhang Y, Zhao Y, Cai N, Xiong S Z 2008 Acta Phys. Sin. 57 5806 (in Chinese) [张 苑、赵 颖、蔡 宁、熊绍珍 2008 物理学报 57 5806]
[16] Fang X Q, Dai S Y, Wang K J, Shi C W 2006 Acta Energiae Sol. Sin. 27 973 (in Chinese)[方霞琴、戴松元、王孔嘉、史成武 2006 太阳能学报 27 973]
[17] [18] Feng X M, Huang X W, Huang H, Shen P, Zhao B, Tan S T 2010 Acta Chim. Sin. 68 1123 (in Chinese) [冯小明、黄先威、黄 辉、沈 平、赵 斌、谭松庭 2010 化学学报 68 1123]
[19] [20] [21] Ito S, Liska P, Comte P, Charvet R, Pechy P, Bach U, Schmidt-Mende L, Zakeeruddin S M, Kay A, Nazeeruddin M K, Gratzel M 2005 Chem. Commun. 34 4351
[22] Sommeling P M, O'Regan B C, Haswell R R, Smit H J P, Bakker N J, Smits J J T, Kroon J M, van Roosmalen J A M 2006 J. Phys. Chem. B 110 19191
[23] [24] [25] Barnes P R F, Anderson A Y, Koops S E, Durrant J R, ORegan B C 2009 J. Phys. Chem. C 113 1126
[26] Doohun Kim, Poulomi Roy, Kiyoung L, Schmuki P 2010 Elect. Commun. 12 574
[27] [28] [29] Liang L Y, Dai S Y, Fang X Q, Hu L H 2008 Acta Phys. Sin. 57 1956 (in Chinese) [梁林云、戴松元、方霞琴、胡林华 2008 物理学报 57 1956]
[30] [31] Dloczik L, Ileperuma O, Lauermann I, Peter L M, Ponomarev E A, Redmond G, Shaw N J, Uhlendorf I 1997 J. Phys. Chem. B 101 10281
[32] [33] Liu W Q, Kou D X, Hu L H, Huang Y, Jiang N Q, Dai S Y 2010 Acta Phys. Sin. 59 5141 (in Chinese) [刘伟庆、寇东星、胡林华、黄 阳、姜年权、戴松元 2010 物理学报 59 5141]
[34] Nazeeruddin M K, Kay A, Rodicio I, Humpbry-Baker R, Miiller E, Liska P, Vlachopoulos N, Gratzel M 1993 J. Am. Chem. Soc. 115 6382
[35] [36] [37] Hu L H, Dai S Y, Wang K J 2005 Acta Phys. Sin. 54 1914 (in Chinese) [胡林华、戴松元、王孔嘉 2005 物理学报 54 1914]
[38] [39] Zeng L Y, Dai S Y, Wang K J, Kong F T, Hu L H 2005 Acta Energ. Sol. Sin. 26 589 (in Chinese)[曾隆月、戴松元、王孔嘉、孔凡太、胡林华 2005 太阳能学报 26 589]
[40] Park N G, Schlichthorl G, van de Lagemaat J, Cheong H M, Mascarenhas A, Frank A J 1999 J. Phys. Chem. B 103 3308
[41] [42] Fredin K, Nissfolk J, Hagfeldt A 2005 Sol. Energ. Mat. Sol. C 86 283
[43] [44] [45] Peter L M, Wijayantha K G U 2000 Electrochimica Acta 45 4543
[46] Schlichthrl G, Huang S Y, Sprague J, Frank A J 1997 J. Phys. Chem. B 101 8141
[47] [48] [49] Kusama H, Kurashige M, Sayama K, Yanagida M, Sugihara H 2007 J. Photoch. Photobio. A 189 100
-
[1] Hagfeldt A, Grtzel M 1995 Chem. Rev. 95 49
[2] Frank A J, Kopidakis N, van de Lagemaat J 2004 Coordin. Chem. Rev. 248 1165
[3] [4] [5] Bisquert J, Zaban A, Greenshtein M, Mora-Sero I 2004 J. Am. Chem. Soc. 126 13550
[6] O' Regan B, Grtzel M 1991 Nature 353 737
[7] [8] Chen C Y, Wang M K, Li J Y, Pootrakulchote N, Alibabaei L, Ngoc-le C, Decoppet J D, Tsai J H, Gratzel C, Wu C G, Zakeeruddin S M, Gratzel M 2009 ACS Nano. 3 3103
[9] [10] Dai S Y, Wang K J 2003 Chin. Phys. Lett. 20 953
[11] [12] [13] Zhao X C, Yang P, Lin H, Li X, Xu C Y, Li J B 2010 J. Chin. Ceram. Soc. 38 25 (in Chinese) [赵晓冲、杨 盼、林 红、李 鑫、许晨阳、李建保 2010 硅酸盐学报 38 25]
[14] [15] Zhang Y, Zhao Y, Cai N, Xiong S Z 2008 Acta Phys. Sin. 57 5806 (in Chinese) [张 苑、赵 颖、蔡 宁、熊绍珍 2008 物理学报 57 5806]
[16] Fang X Q, Dai S Y, Wang K J, Shi C W 2006 Acta Energiae Sol. Sin. 27 973 (in Chinese)[方霞琴、戴松元、王孔嘉、史成武 2006 太阳能学报 27 973]
[17] [18] Feng X M, Huang X W, Huang H, Shen P, Zhao B, Tan S T 2010 Acta Chim. Sin. 68 1123 (in Chinese) [冯小明、黄先威、黄 辉、沈 平、赵 斌、谭松庭 2010 化学学报 68 1123]
[19] [20] [21] Ito S, Liska P, Comte P, Charvet R, Pechy P, Bach U, Schmidt-Mende L, Zakeeruddin S M, Kay A, Nazeeruddin M K, Gratzel M 2005 Chem. Commun. 34 4351
[22] Sommeling P M, O'Regan B C, Haswell R R, Smit H J P, Bakker N J, Smits J J T, Kroon J M, van Roosmalen J A M 2006 J. Phys. Chem. B 110 19191
[23] [24] [25] Barnes P R F, Anderson A Y, Koops S E, Durrant J R, ORegan B C 2009 J. Phys. Chem. C 113 1126
[26] Doohun Kim, Poulomi Roy, Kiyoung L, Schmuki P 2010 Elect. Commun. 12 574
[27] [28] [29] Liang L Y, Dai S Y, Fang X Q, Hu L H 2008 Acta Phys. Sin. 57 1956 (in Chinese) [梁林云、戴松元、方霞琴、胡林华 2008 物理学报 57 1956]
[30] [31] Dloczik L, Ileperuma O, Lauermann I, Peter L M, Ponomarev E A, Redmond G, Shaw N J, Uhlendorf I 1997 J. Phys. Chem. B 101 10281
[32] [33] Liu W Q, Kou D X, Hu L H, Huang Y, Jiang N Q, Dai S Y 2010 Acta Phys. Sin. 59 5141 (in Chinese) [刘伟庆、寇东星、胡林华、黄 阳、姜年权、戴松元 2010 物理学报 59 5141]
[34] Nazeeruddin M K, Kay A, Rodicio I, Humpbry-Baker R, Miiller E, Liska P, Vlachopoulos N, Gratzel M 1993 J. Am. Chem. Soc. 115 6382
[35] [36] [37] Hu L H, Dai S Y, Wang K J 2005 Acta Phys. Sin. 54 1914 (in Chinese) [胡林华、戴松元、王孔嘉 2005 物理学报 54 1914]
[38] [39] Zeng L Y, Dai S Y, Wang K J, Kong F T, Hu L H 2005 Acta Energ. Sol. Sin. 26 589 (in Chinese)[曾隆月、戴松元、王孔嘉、孔凡太、胡林华 2005 太阳能学报 26 589]
[40] Park N G, Schlichthorl G, van de Lagemaat J, Cheong H M, Mascarenhas A, Frank A J 1999 J. Phys. Chem. B 103 3308
[41] [42] Fredin K, Nissfolk J, Hagfeldt A 2005 Sol. Energ. Mat. Sol. C 86 283
[43] [44] [45] Peter L M, Wijayantha K G U 2000 Electrochimica Acta 45 4543
[46] Schlichthrl G, Huang S Y, Sprague J, Frank A J 1997 J. Phys. Chem. B 101 8141
[47] [48] [49] Kusama H, Kurashige M, Sayama K, Yanagida M, Sugihara H 2007 J. Photoch. Photobio. A 189 100
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