基于量子点涂料的柔性光阳极及碳基对电极的制备和优化

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英文篇名：Preparation and Optimization of Flexible Quantum Dot Paste Based Photoanodes and Carbon Based Counter Electrodes 作者：童晶 ; 方文娟 ; 嵇小荷 ; 赵卿飞 ; 张华 英文作者：TONG Jing;FANG Wen-Juan;JI Xiao-He;ZHAO Qing-Fei;ZHANG Hua;Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering,East China University of Science and Technology;Chemistry Department, Shanghai Normal University; 关键词：碳 ; 量子点 ; 涂料 ; 柔性光阳极 ; 柔性对电极 ; 量子点敏化太阳电池 英文关键词：carbon;;quantum dot;;paste;;flexible photoanode;;flexible counter electrode;;quantum dot sensitized solar cell 中文刊名：WJHX 英文刊名：Chinese Journal of Inorganic Chemistry 机构：华东理工大学化学与分子工程学院上海市功能性材料化学重点实验室;上海师范大学化学系; 出版日期：2018-11-10 出版单位：无机化学学报 年：2018 期：v.34 基金：上海市自然科学基金(No.18ZR1409200)资助项目 语种：中文; 页：WJHX201811007 页数：9 CN：11 ISSN：32-1185/O6 分类号：67-75

摘要

首先制备出量子点(QDs)/TiO_2涂料,分别采用丝网印刷法与刀刮法将涂料涂覆于ITO/PET柔性基底上,结果表明刀刮法制备量子点敏化太阳电池(QDSCs)效果更佳,且具有普适性。基于铜片对电极所组装的ZnCuInSe,CdSe和CdSeTe量子点半柔性QDSCs最高效率分别达2.83%,2.46%和1.99%。另外,我们对石墨纸进行表面化学修饰以提高亲水性,再通过简单的连续离子交换吸附法(SILAR)在石墨纸上负载Cu_xS纳米粒子,制备出Cu_xS/GP柔性对电极,进一步组装成全柔性QDSCs,获得了2.13%光电转化效率。
        The pastes containing quantum dot(QDs)/TiO_2were first synthesized,and then screen printing and doctor blading were employed for coating the pastes onto ITO/PET flexible substrates.The results show that doctor blading was universal and more effective to obtain high efficiency quantum dot sensitized solar cell(QDSCs).The assembled ZnCuInSe,Cd Se and Cd SeTe semi-flexible QDSCs obtained high conversion efficiencies of 2.83%,2.46%and 1.99%respectively when brass-based counter electrodes(CEs)were used.Furthermore,surface chemical modification was first carried out on graphite paper(GP)to improve the hydrophilicity,then Cu_xS nanoparticles were grown on GP via successive ionic layer adsorption and reaction(SILAR).The as-prepared flexible Cu_xS/GP CEs exhibited satisfactory performance and the assembled fully flexible ZnCuInSe QDSCs obtained high efficiency of 2.13%.

引文

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