P3 HT PCBM 基有机太阳能电池性能提高的研究 - 浙江师范大学.PDF

第37卷第2期 浙江师范大学学报(自然科学版) Vol. 37,No. 2 2014年5月 Journal of Zhejiang Normal Universiy(Na. Sci. ) May2014  文章编号:1001-5051(2014 )02-0131-04 P HT/ PCBM基有机太阳能电池性能提高的研究 3 孟秀清, 唐双双, 方允樟 (浙江师范大学LED芯片研发中心,浙江金华 321004) 摘 要:以P HT作为电子给体材料,PCBM作为电子受体材料,制成不同厚度活性层的本体异质结有机太阳3 能电池.从I-V特性曲线分析了厚度对电池性能的影响.制备了添加PEDOTPSS和TiO 作为空穴阻挡层的有 2 机电池,通过分析I-V特性曲线和吸收光谱,找到提高电池性能的方法. 关键词:有机太阳能电池:空穴阻挡层;能量转化效率;活性层 中图分类号:O469 文献标识码:A Study on efficiency improvement of P HT/ PCBM 3 based organic-inorganic solar cells MENG Xiuqing, TANG Shuangshuang, FANG Yunzhang (Research CenterforLight Emitting Diodes,Zhejiang Normal University,Jinhua Zhejiang 321004,China ) Abstract:Organic solar cells made of P HT as elecron donor and PCBM as elecron accepor wih differen 3 hickness of acive layer were fabricaed and analysized. From he I-V characerisics of he devices,i was found ha hickness of he acive layer affeced he efficiency of he device grealy. When blocking layer of PEDOT:TiO were added o he device,i was found ha differen effec on he performance of he device 2 characerized by I-Vand adsorpion analysis,he inroducion of PEDOT:TiO PSS improved he efficiency of2 hedevicewhileTiO didno change heperformanceevidenly,furhermoreadeaildiscussiouwasinvolved.2 Key words:organic solar cells;hole blocking laye;acive layer;efficiency 0 引 言 随着全球能源需求的增加,能源问题成为世界关注的焦点.太阳能作为一种取之不尽的绿色能源, 已经引起了各国的广泛关注,虽然初期发展的硅太阳能电池已经取得了不错的效率,但是硅体系等无机 太阳能电池制备成本高.要想推广太阳能电池的应用就必须降低生产成本,有机太阳能电池因材料廉 价、制备方法简单而被认为是取代无机太阳能电