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题名	Zinc acetylacetonate doping for enhanced cathode interface layer in organic solar cells
作者	Wang, Wei 1,2 ; Lin, Zhichao2 ; Li, Xin2 ; Tang, Yirong 2; Zhong, Wentao2 ; Zhang, Chunhui2 ; Yang, Tingbin3 ; Liang, Yongye2,4
通讯作者	Yang, Tingbin; Liang, Yongye
发表日期	2022-12-01
DOI	10.1039/d2qm01106a
发表期刊	MATERIALS CHEMISTRY FRONTIERS 影响因子和分区
EISSN	2052-1537
卷号	7 期号:2
摘要	Interface engineering is a necessary process to achieve enhanced device performance in organic solar cells (OSCs). Herein, we report a facile and low-cost approach using zinc acetylacetonate (ZnAcac, ZAA) to dope perylene diimides functionalized with amino oxide (PDINO) as an improved cathode interface layer (CIL) for OSCs. In contrast to the pristine PDINO CIL, the PDINO + ZAA CIL exhibit lower electron affinity level and improved conductivity due to electron transfer between PDINO and ZAA. As a result, OSCs with PDINO + ZAA CIL deliver higher power conversion efficiencies (PCEs) and exhibit less efficiency decay with thicker CIL than the OSCs with PDINO CIL. With 10 nm PDINO + ZAA as the CIL, the typical PM6:BTP-eC9 OSCs can achieve an enhanced average PCE of 17.1% than PDINO OSC (16.4%), mainly due to less charge recombination and improved charge extraction and transport ability in devices. A good PCE of 15.4% can be still maintained with 70 nm CIL. Our results prove that PDINO + ZAA is a high-quality CIL and provide a simple and low-cost interface engineering strategy to optimize the CILs in OSCs.
相关链接	[来源记录]
收录类别	SCI
语种	英语
学校署名	通讯
资助项目	Guangdong-Hong Kong-Macao Joint Laboratory for Photonic-Thermal-Electrical Energy Materials and Devices[2019B121205001] ; Shenzhen Fundamental Research Funding (Key Program)[JCYJ20200109141405950]
WOS研究方向	Chemistry ; Materials Science
WOS类目	Chemistry, Multidisciplinary ; Materials Science, Multidisciplinary
WOS记录号	WOS:000899153000001
出版者	ROYAL SOC CHEMISTRY
来源库	Web of Science
引用统计	被引频次[WOS]：5
成果类型	期刊论文
条目标识符	//www.snoollab.com/handle/2SGJ60CL/417332
专题	工学院_材料科学与工程系公共分析测试中心
作者单位	1.Harbin Inst Technol, Harbin 150001, Peoples R China 2.Southern Univ Sci & Technol, Dept Mat Sci & Engn, Shenzhen Key Lab Printed Elect, Shenzhen 518055, Peoples R China 3.Southern Univ Sci & Technol, Core Res Facil, Shenzhen 518055, Peoples R China 4.Southern Univ Sci & Technol, Guangdong Hong Kong Macao Joint Lab Photon Thermal, Hong Kong 518055, Guangdong, Peoples R China
第一作者单位	材料科学与工程系
通讯作者单位	公共分析测试中心; 材料科学与工程系;
推荐引用方式 GB/T 7714	Wang, Wei,Lin, Zhichao,Li, Xin,et al. Zinc acetylacetonate doping for enhanced cathode interface layer in organic solar cells[J]. MATERIALS CHEMISTRY FRONTIERS,2022,7(2).
APA	Wang, Wei.,Lin, Zhichao.,Li, Xin.,Tang, Yirong.,Zhong, Wentao.,...&Liang, Yongye.(2022).Zinc acetylacetonate doping for enhanced cathode interface layer in organic solar cells.MATERIALS CHEMISTRY FRONTIERS,7(2).
MLA	Wang, Wei,et al."Zinc acetylacetonate doping for enhanced cathode interface layer in organic solar cells".MATERIALS CHEMISTRY FRONTIERS 7.2(2022).