1. Key Laboratory of Luminescence and Optical Information of Ministry of Education, Beijing Jiaotong University, Beijing 100044, China 2. National Center for Nanoscience and Technology, Beijing 100190, China
Abstract：Three kinds of porphyrins which can abbreviate as TPP, TPPCu and TMPPFeCl were synthesized by one-step method with mixed solvents. Then these porphyrin materials were used as donors to fabricate organic solar cells with PCBM as accepter by the solution processing of spin-coating method. The structure is ITO/porphyrin∶PCBM/Al. The photovoltaic characterizations of these devices were investigated. The device based on TPP∶PCBM shows the best performance with an open circuit voltage (VOC) of 0.52 V, a short circuit current (JSC) of 0.98 mA·cm-2, and fill factor (FF) of 30.1%. Then the influence of different weight ratio of TPP∶PCBM was researched. The best weight ratio of TPP∶PCBM is 1∶1. Increasing or decreasing the quatity of TPP would make JSC and VOC of the device deterioration and have little effect on the FF.
[1] Spanggaard H, Krebs F C. Sol. Energy Mater. Sol. Cells, 2004, 83(223): 125. [2] LIN Peng, ZHANG Zhi-feng, XIONG De-ping, et al(林 鹏，张志峰, 熊德平, 等). Optoelectronic Technology(光电子技术), 2004, 24(1): 55. [3] Dudkowiak A, Teslak E, Habdas J. J. Mol. Struct., 2006, 93: 792. [4] Zheng W, Shan N, Xu L, et al. Dyes Pigments, 2008, 77: 153. [5] Meunier B. Chem. Rev., 1992, 92: 1411. [6] De Silva A P, Gunaratne H Q N, Gunnlaugsson T, et al. Chem. Rev., 1997, 97: 1515. [7] Baldo M A, O’Bren D F, You Y, et al. Nature, 1998, 395: 151. [8] Campbell W M, Burrell A K, Officer D L, et al. Coord. Chem. Rev., 2004, 248: 1363. [9] Belcher W J, Wagner K I, Dastoor P C. Sol. Energy Mater. Sol. Cells., 2001, 91: 447. [10] LI Zhong-fang, WANG Su-wen, WANG Ji-xiao, et al(李忠芳，王素文，王纪孝, 等). Chinese Journal of Inorganic Chemistry(无机化学学报), 2003, 19(7): 691. [11] Sun E J, Cheng X L, Wang D. Solid State Sci., 2007, 9: 1061. [12] LIN C L, FANG M Y, CHENG S H. J. Electroanal. Chem., 2002, 531: 155. [13] LIU Yong-sheng, LIU Qian, WAN Xiang-jian, et al(刘永胜，刘 倩，万相见, 等). Acta Scientiarum Naturalium Universitatis Nankaiensis(南开大学学报·自然科学版), 2010, 43(1): 76. [14] Li Y F, Cao Y, Gao J, et al. J. Synth. Met., 1999, 99: 243. [15] Zhang Fengling, Ceder M, Inganas O. Adv. Mater., 2007, 19: 135. [16] Daniel A M E, Bader C, Jurgen N, et al. Macromolecules, 2003, 36: 54595.
