Hydroxyl-Terminated CuInS2-Based Quantum Dots: Potential Cathode Interfacial Modifiers for Efficient Inverted Polymer Solar Cells

Chen, Hui1; Chao, Pengjie1,3; Han, Dengbao2; Wang, Huan1; Miao, Jingsheng3; Zhong, Haizheng2; Meng, Hong3; He, Feng1

2017-03

10.1021/acsami.6b16305

ACS Applied Materials & Interfaces   影响因子和分区

1944-8244

The use of interfacial modifiers on cathode or anode layers can effectively reduce the recombination loss and thus have potential to enhance the device performance of polymer solar cells. In this work, we demonstrated that hydroxyl-terminated CuInS2-based quantum dots could be potential cathode interfacial modifiers on ZnO layer for inverted polymer solar cells. By casting of a thin film of CuInS2-based quantum dots onto ZnO layer, the controlled devices show obvious enhancements of open-circuit voltage, short-circuit current, and fill factor. With an optimized interfacial layer with similar to 7 nm thickness, an improvement of power conversion efficiency up to 16% is obtained and the optimized power conversion efficiency of PTB7-based (PTB7: poly[[4,8-bis[(2ethylhexyl) oxy]benzo [1,2-b:4,5-b'] dithiophene-2,6-diyl] [3-fluoro-2- [(2-ethylhexyl) carbonyl] thieno[3,4-b] thiophenediyl]]) polymer solar cells approaches 8.51%. Detailed analysis shows that the performance enhancement can be explained to the improved light absorption, modified work function, reduced surface roughness, and the increased electron transfer of ZnO cathode interlayer.

CuInS2 quantum dots ZnO interfacial modifier polymer solar cells

SCI ; EI

英语

第一 ; 通讯

Shenzhen peacock program[KQTD20140630110339343]

Science & Technology - Other Topics ; Materials Science

Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary

WOS:000395494200079

AMER CHEMICAL SOC

20171003415361

Cathodes ; Conversion efficiency ; Copper compounds ; Efficiency ; II-VI semiconductors ; Indium compounds ; Light absorption ; Nanocrystals ; Open circuit voltage ; Polymer solar cells ; Polymers ; Semiconductor quantum dots ; Solar cells ; Surface roughness ; Thin film circuits ; Zinc oxide

Energy Conversion Issues:525.5 ; Solar Cells:702.3 ; Semiconductor Devices and Integrated Circuits:714.2 ; Light/Optics:741.1 ; Nanotechnology:761 ; Inorganic Compounds:804.2 ; Polymeric Materials:815.1 ; Production Engineering:913.1 ; Physical Properties of Gases, Liquids and Solids:931.2

Web of Science

1.South Univ Sci & Technol China, Dept Chem, Shenzhen 518055, Peoples R China
2.Beijing Inst Technol, Beijing Key Lab Nanophoton & Ultrafine Optoelectr, Sch Mat Sci & Engn, 5 Zhongguancun South St, Beijing 100081, Peoples R China
3.Peking Univ, Shenzhen Grad Sch, Sch Adv Mat, Shenzhen 518055, Peoples R China

Chen, Hui,Chao, Pengjie,Han, Dengbao,et al. Hydroxyl-Terminated CuInS2-Based Quantum Dots: Potential Cathode Interfacial Modifiers for Efficient Inverted Polymer Solar Cells[J]. ACS Applied Materials & Interfaces,2017,9(8):7362-7367.

Chen, Hui.,Chao, Pengjie.,Han, Dengbao.,Wang, Huan.,Miao, Jingsheng.,...&He, Feng.(2017).Hydroxyl-Terminated CuInS2-Based Quantum Dots: Potential Cathode Interfacial Modifiers for Efficient Inverted Polymer Solar Cells.ACS Applied Materials & Interfaces,9(8),7362-7367.

Chen, Hui,et al."Hydroxyl-Terminated CuInS2-Based Quantum Dots: Potential Cathode Interfacial Modifiers for Efficient Inverted Polymer Solar Cells".ACS Applied Materials & Interfaces 9.8(2017):7362-7367.