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Enhanced performance of a solar cell based on a layer-by-layer self-assembled luminescence down-shifting layer of core-shell quantum dots

文献类型：期刊论文

作者Liu, Ni1; Li, Shu-Xin2,3; Ye, Ying-Chun1; Yao, Yan-Li1
刊名CHINESE PHYSICS B
出版日期2018-12-01
卷号27期号:12页码:5
关键词two-surface functional group LBL self-assembly LDS
ISSN号1674-1056
DOI10.1088/1674-1056/27/12/127303
通讯作者Liu, Ni(liuni106@bzu.edu.cn)
英文摘要In this paper, core-shell quantum dots (QDs) with two polar surface functional groups (ZnSe/ZnS-COOH QDs and ZnSe/ZnS-NH2 QDs) are synthesized in an aqueous phase. Photoluminescence (PL) and absorption spectra clearly indicate luminescence down-shifting (LDS) properties. On the basis of QDs, surface functional group multilayer LDS films (MLDSs) are fabricated through an electrostatic layer-by-layer (LBL) self-assembly method. The PL intensity increases linearly with the number of bilayers, showing a regular and uniform film growth. When the M-LDS is placed on the surface of a Si-based solar cell as an optical conversion layer for the first time, the external quantum efficiency (EQE) and shortcircuit current density (J(sc)) notably increases for the LDS process. The EQE response improves in a wavelength region extending from the UV region to the blue region, and its maximum increase reaches more than 15% between 350 nm and 460 nm.
WOS关键词EFFICIENCY
资助项目Natural Science Foundation of Shandong Province, China[ZR2017PF011] ; National Natural Science Foundation of China[E020701] ; Doctoral Scientific Research Foundation of Binzhou University, China[2014Y10]
WOS研究方向Physics
语种英语
WOS记录号WOS:000454125900003
出版者IOP PUBLISHING LTD
资助机构Natural Science Foundation of Shandong Province, China ; Natural Science Foundation of Shandong Province, China ; Natural Science Foundation of Shandong Province, China ; Natural Science Foundation of Shandong Province, China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Doctoral Scientific Research Foundation of Binzhou University, China ; Doctoral Scientific Research Foundation of Binzhou University, China ; Doctoral Scientific Research Foundation of Binzhou University, China ; Doctoral Scientific Research Foundation of Binzhou University, China ; Natural Science Foundation of Shandong Province, China ; Natural Science Foundation of Shandong Province, China ; Natural Science Foundation of Shandong Province, China ; Natural Science Foundation of Shandong Province, China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Doctoral Scientific Research Foundation of Binzhou University, China ; Doctoral Scientific Research Foundation of Binzhou University, China ; Doctoral Scientific Research Foundation of Binzhou University, China ; Doctoral Scientific Research Foundation of Binzhou University, China ; Natural Science Foundation of Shandong Province, China ; Natural Science Foundation of Shandong Province, China ; Natural Science Foundation of Shandong Province, China ; Natural Science Foundation of Shandong Province, China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Doctoral Scientific Research Foundation of Binzhou University, China ; Doctoral Scientific Research Foundation of Binzhou University, China ; Doctoral Scientific Research Foundation of Binzhou University, China ; Doctoral Scientific Research Foundation of Binzhou University, China ; Natural Science Foundation of Shandong Province, China ; Natural Science Foundation of Shandong Province, China ; Natural Science Foundation of Shandong Province, China ; Natural Science Foundation of Shandong Province, China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Doctoral Scientific Research Foundation of Binzhou University, China ; Doctoral Scientific Research Foundation of Binzhou University, China ; Doctoral Scientific Research Foundation of Binzhou University, China ; Doctoral Scientific Research Foundation of Binzhou University, China
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/40860]  
专题中国科学院合肥物质科学研究院
通讯作者Liu, Ni
作者单位1.Binzhou Univ, Coll Aeronaut Engn, Binzhou 256603, Peoples R China
2.Chinese Acad Sci, Hefei Inst Phys Sci, Anhui Key Lab Nanomat & Technol, Hefei 230031, Anhui, Peoples R China
3.Chinese Acad Sci, Hefei Inst Phys Sci, Key Lab Mat Phys, Hefei 230031, Anhui, Peoples R China
推荐引用方式
GB/T 7714		 Liu, Ni,Li, Shu-Xin,Ye, Ying-Chun,et al. Enhanced performance of a solar cell based on a layer-by-layer self-assembled luminescence down-shifting layer of core-shell quantum dots[J]. CHINESE PHYSICS B,2018,27(12):5.
APA Liu, Ni,Li, Shu-Xin,Ye, Ying-Chun,&Yao, Yan-Li.(2018).Enhanced performance of a solar cell based on a layer-by-layer self-assembled luminescence down-shifting layer of core-shell quantum dots.CHINESE PHYSICS B,27(12),5.
MLA Liu, Ni,et al."Enhanced performance of a solar cell based on a layer-by-layer self-assembled luminescence down-shifting layer of core-shell quantum dots".CHINESE PHYSICS B 27.12(2018):5.

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来源：合肥物质科学研究院

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