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Impact of ZnO Photoluminescence on Organic Photovoltaic Performance

文献类型：期刊论文

作者Yang, Ke1; Fu, Jiehao1,2; Hu, Lijun1; Xiong, Zhuang1; Li, Meng1; Wei, Xingzhan2; Xiao, Zeyun2; Lu, Shirong2; Sun, Kuan1
刊名ACS APPLIED MATERIALS & INTERFACES
出版日期2018-11-21
卷号10期号:46页码:39962-39969
关键词Zinc oxide organic photovoltaics photoluminescence interface intrinsic defects
ISSN号1944-8244
DOI10.1021/acsami.8b14224
通讯作者Sun, Kuan(kuan.sun@cqu.edu.cn)
英文摘要ZnO is a widely used electron transport material in third generation solar cells. Intrinsic defects arising from different synthetic methods and conditions lead to different fluorescent colors. The defect mechanisms have been explored in the literature, but their impact on organic photovoltaic (OPV) cell performance is rarely reported. Herein, three different ZnO nanoparticles showing blue, green, and yellow emission colors are synthesized and incorporated into OPV cells. The as-cast ZnO films result in vastly different OPV performances. It is found the sodium acetate as the byproduct of the synthesis can significantly influence the interfacial contact. After removing the impurity via rinsing with polar organic solvents, the different ZnO nanoparticles can deliver similar power conversion efficiencies (PCEs) in three representative OPV systems. The PCEs reached 4, 8, and 10% in P3HT:PC61BM-, PTB7-Th:PC71BM-, and PBDB-T-SF:IT-4F-based OPV cells, respectively. A series of characterizations indicate that the intrinsic defect types do not affect the optical and electrical properties of the ZnO film, including photon transmittance, electrical conductivity, and charge extraction from the active layer as well as electron mobility. The results together suggest that the intrinsic defect in ZnO nanoparticles has little impact on OPV performance. Thus, it might be necessary to revisit the strategies for defect engineering or passivation in oxide-based interfacial materials.
资助项目Natural Science Foundation of China[61504015] ; Natural Science Foundation of China[51702032] ; Natural Science Foundation of Chongqing[cstc2017jcyjA0752] ; Key Laboratory of Low-grade Energy Utilization Technologies and Systems[LLEUTS-2017004] ; Venture & Innovation Support Program for Chongqing Overseas Returnees[cx2017034] ; Venture & Innovation Support Program for Chongqing Overseas Returnees[cx2017056] ; Fundamental Research Funds for the Central Universities[106112017CDJQJ148805] ; Fundamental Research Funds for the Central Universities[2018CDQYDL0051]
WOS研究方向Science & Technology - Other Topics ; Materials Science
语种英语
WOS记录号WOS:000451496000061
出版者AMER CHEMICAL SOC
源URL[http://119.78.100.138/handle/2HOD01W0/7066]  
专题微纳制造与系统集成研究中心
有机半导体材料研究中心
通讯作者Sun, Kuan
作者单位1.Chongqing Univ, Sch Energy & Power Engn, CQU NUS Renewable Energy Mat & Devices Joint Lab, MOE Key Lab Low Grade Energy Utilizat Technol & S, Chongqing 400044, Peoples R China
2.Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Organ Semicond Res Ctr, Chongqing 400714, Peoples R China
推荐引用方式
GB/T 7714		 Yang, Ke,Fu, Jiehao,Hu, Lijun,et al. Impact of ZnO Photoluminescence on Organic Photovoltaic Performance[J]. ACS APPLIED MATERIALS & INTERFACES,2018,10(46):39962-39969.
APA Yang, Ke.,Fu, Jiehao.,Hu, Lijun.,Xiong, Zhuang.,Li, Meng.,...&Sun, Kuan.(2018).Impact of ZnO Photoluminescence on Organic Photovoltaic Performance.ACS APPLIED MATERIALS & INTERFACES,10(46),39962-39969.
MLA Yang, Ke,et al."Impact of ZnO Photoluminescence on Organic Photovoltaic Performance".ACS APPLIED MATERIALS & INTERFACES 10.46(2018):39962-39969.

入库方式： OAI收割

来源：重庆绿色智能技术研究院

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