阳极界面修饰对钙钛矿太阳能电池性能的影响

发布时间：2018-01-16 07:33

本文关键词：阳极界面修饰对钙钛矿太阳能电池性能的影响　出处：《光子学报》2017年02期 　论文类型：期刊论文

【摘要】：采用在聚(3,4-乙撑二氧噻吩)∶聚苯乙烯磺酸(Poly(3,4-ethylenedioxythiophene)∶Poly(styrenesulfonate),PEDOT∶PSS)阳极界面层上直接旋涂二甲基亚砜(Dimethyl Sulfoxide,DMSO)的方法,对PEDOT∶PSS薄膜进行修饰,以提高所制得的钙钛矿太阳能电池器件性能.在5000rpm转速条件下旋涂DMSO后,器件的能量转换效率达到11.43%,与PEDOT∶PSS阳极界面层未做任何修饰的器件相比,效率提高了29.15%.测试表征了修饰前后PEDOT∶PSS薄膜的透光性、表面形貌、电导率、器件的外量子效率曲线以及器件在光照和暗态下的J-V特性曲线,分析了器件性能提高的原因.结果表明:经过修饰的PEDOT∶PSS薄膜导电性显著增强,从而更加有利于器件阳极对空穴的抽取和收集;较未修饰时,器件的短路电流密度得到了大幅度提升,进而使得器件获得更高的能量转换效率.
[Abstract]:The polystyrene sulfonic acid (PPS) 3 was used in the study of poly (4-ethylenedioxythiophene): polystyrene sulfonic acid (PPS). 4-ethylenedioxythiophene1: Polystyrenes ulfonate. Method of direct spin-coating of Dimethyl Sulfoxide (DMSO) on the anode interface layer of PEDOT: PSS. The PEDOT:PSS film was modified to improve the performance of the prepared perovskite solar cell. DMSO was spin-coated at 5000rpm. The energy conversion efficiency of the device is 11.43, compared with that of the PEDOT:PSS anode interface layer without any modification. The optical transmittance, surface morphology and electrical conductivity of PEDOT:PSS films before and after modification were measured and characterized. The external quantum efficiency curve of the device and the J-V characteristic curve of the device under light and dark state. The results show that the conductivity of the modified PEDOT:PSS thin films is greatly enhanced, which is more favorable for the extraction and collection of holes from the anode of the device. When the device is not modified, the short-circuit current density of the device is greatly increased, which makes the device obtain higher energy conversion efficiency.
【作者单位】：河北大学物理科学与技术学院;
【基金】：河北省自然科学基金(No.F2012201089) 河北省应用基础研究计划(No.14964306D)资助~~
【分类号】：TM914.4
【正文快照】： spyang@hbu.edu.cnhttp:∥www.photon.ac.cn1-30032200引言清洁无污染的新能源开发已成为解决当今社会能源需求的重大课题之一.太阳能作为一种清洁、无污染的可再生能源,吸引了众多研究人员的目光,太阳能光伏发电成为了一种最为有效的洁净能源的利用方式.传统的晶硅太阳能电池

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