title: [Bulk heterojunction solar cell based on porphyrin compounds].
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 (V(OC)) of 0.52 V, a short circuit current (J(SC)) of 0.98 mA x 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 J(SC) and V(OC) of the device deterioration and have little effect on the FF.
authors.affiliation: Key Laboratory of Luminescence and Optical Information of Ministry of Education, Beijing Jiaotong University, Beijing 100044, China. 08118346@bjtu.edu.cn
authors.forename: Tian-hui
authors.initials: TH
authors.lastname: Zhang
authors.forename: Su-ling
authors.initials: SL
authors.lastname: Zhao
authors.forename: Ling-yu
authors.initials: LY
authors.lastname: Piao
authors.forename: Zheng
authors.initials: Z
authors.lastname: Xu
authors.forename: Chao
authors.initials: C
authors.lastname: Kong