双自组装单分子层修饰氧化镍制备高效率钙钛矿太阳电池及组件  

Co-assembled Monolayers Modified Nickel Oxide for High Efficient Perovskite Solar Cells and Modules

作　　者：谢光起 马梦恩 杨丹妮 杨恢东[1] 曾艺琳 马玉姣 吴绍航 刘冲 麦耀华 XIE Guangqi;MA Mengen;YANG Danni;YANG Huidong;ZENG Yilin;MA Yujiao;WU Shaohang;LIU Chong;MAI Yaohua(Institute of New Energy Technology,College of Information Science and Technology,Jinan University,Guangzhou 510632,China;Faculty of Intelligent Manufacturing,Wuyi University,Jiangmen 529020,China)

机构地区：[1]暨南大学信息科学技术学院,新能源技术研究院,广东广州510632 [2]五邑大学智能制造学部,广东江门529020

出　　处：《发光学报》2023年第6期1023-1031,共9页Chinese Journal of Luminescence

基　　金：国家自然科学基金(62104082,62005099);广东省基础与应用基础研究基金(2022A1515010746,2022A1515011228);广州市科技计划(202201010458,202201010542)。

摘　　要：氧化镍(NiOx)作为无机p型半导体,常用于倒置钙钛矿太阳能电池(PSCs)中的空穴传输层(HTL),但本身存在的高缺陷密度和与钙钛矿不相匹配的能级排布限制了PSCs的能量转换效率。本文通过引入双自组装单分子层修饰氧化镍界面,钝化氧化镍材料自身缺陷,改善能级匹配,促进了界面处光生载流子的提取和传输,提高了PSCs的开路电压(Voc)和填充因子(FF),最终将刮涂氧化镍基PSCs的效率提升到20.38%,而且未封装的器件在氮气氛围中用85℃老化1000 h后仍维持原始效率的96%。更重要的是,我们以此制备了孔径面积为60.84 cm^(2)、由13节子电池串联而成的钙钛矿组件,效率达到了17.04%。Nickel oxide(NiOx),an inorganic p-type semiconductor,is commonly used as the hole transporting layer(HTL)for inverted perovskite solar cells(PSCs).However,the high defect density of NiOx and mismatched energy levels with the perovskite layer strongly limit the efficiency of PSCs.In this work,the co-assembled monolayer is introduced to modify the interface of NiOx,which was demonstrated to passivate the defects and improve the energy level alignment,leading to the enhancement of charge extraction and transmission at the interface.Finally,the blade-coated PSCs yield a power conversion efficiency of 20.38%due to the improvement on open circuit voltage(Voc)and filling factor(FF).Moreover,the device without encapsulation can maintain 96%of the initial efficiency after aging at 85℃for 1000 h in nitrogen atmosphere.More importantly,we have fabricated a perovskite solar module with an aperture area of 60.84 cm^(2),which is composed of 13 sub cells in series,and the efficiency has reached 17.04%.

关 键 词：钙钛矿太阳电池 组件 能级匹配 电荷抽取 高效率 

分 类 号：TM914.4[电气工程—电力电子与电力传动]