Polymer Sensitized Quasi Solid-State Photovoltaic Cells Using Derivatives of Polythiophene

作     者：G.K.R.Senadeera J.M.R.C.Fernando 

作者机构：Institute of Fundamental StudiesHantane RoadKandySri Lanka Institute of Fundamental StudiesHantane RoadKandySri Lanka Postgraduate Institute of ScienceUniversity of PeradeniyaPeradeniyaSri Lanka 

出 版 物：《Journal of Materials Science & Technology》 (材料科学技术（英文版）)

年 卷 期：2006年第22卷第6期

页      面：811-816页

核心收录：

学科分类：08[工学] 080502[工学-材料学] 0805[工学-材料科学与工程（可授工学、理学学位）] 

基　　金：the Postdoctoral Research Fellowship from Japan Society for the Promotion of Science National Science Foundation of Sri Lanka for financial assistance(Research Grant RG/2004/P/04) the Academy of Sciences for the Developing World,Trieste,Italy(TWAS-Grant No.05-042 RG/PHYS/AS)are also acknowledged 

主　　题：Solar cells Polymers Titanium dioxide 

摘      要：Substituted thiophene sensitized, nanocrystalline TiO2-based quasi solid-state solar cells were fabricated by using either poly （3-thiophene acetic acid） （P3TAA） or a copolymer with poly （3-thiophene acetic acid）-poly （hexyl thiophene） （P3TAA-PHT） polymers and copper iodide （Cul） as a hole conducting material together with an ionic liquid 1-ethyl-3-methylimidazolium bis （trifluoromethylsulfonyl） amide and lithium bis （triflu- oromethanesulfone） imide as additives for charge transport promotion. Dramatic enhancements in the cell performances were observed with the additives in Cul. While the cell sensitized with P3TAA generated a short-circuit photocurrent of -1.45 ***^-2, an open-circuit photovoltage of -345 mV with a total power conversion efficiency of -0.3% under simulated full sunlight of 100 mW-cm^-2 （air mass： 1.5）, the cell sensitized with copolymer P3TAA-PHT delivered -0.25% efficiency under the same conditions with -1.23 mA-cm^-2 as photocurrent and -371 mV as photovoltage.