Science China Materials

, Volume 60, Issue 9, pp 829–838 | Cite as

Enhanced performance of solar cells via anchoring CuGaS2 quantum dots

  • Jinjin Zhao (赵晋津)Email author
  • Zhenghao Liu (刘正浩)
  • Hao Tang (唐浩)
  • Chunmei Jia (贾春媚)
  • Xingyu Zhao (赵星宇)
  • Feng Xue (薛峰)
  • Liyu Wei (魏丽玉)
  • Guoli Kong (孔国丽)
  • Chen Wang (王晨)
  • Liu Jinxi (刘金喜)Email author


Ternary I–III–VI quantum dots (QDs) of chalcopyrite semiconductors exhibit excellent optical properties in solar cells. In this study, ternary chalcopyrite CuGaS2 nanocrystals (2–5 nm) were one-pot anchored on TiO2 nanoparticles (TiO2@CGS) without any long ligand. The solar cell with TiO2@CuGaS2/N719 has a power conversion efficiency of 7.4%, which is 23% higher than that of monosensitized dye solar cell. Anchoring CuGaS2 QDs on semiconductor nanoparticles to form QDs/dye co-sensitized solar cells is a promising and feasible approach to enhance light absorption, charge carrier generation as well as to facilitate electron injection comparing to conventional mono-dye sensitized solar cells.


CuGaS2 quantum dots TiO2 nanoparticles solar cells photo-anode 



三元I-III-VI族黄铜矿量子点作为太阳电池的敏化剂表现出优异的光学性质. 我们采用一步法将2-5纳米的三元黄铜矿CuGaS2量子点铆钉在TiO2纳米颗粒上, 不通过任何有机分子作为链接制备出了TiO2@CGS复合材料. 研究发现量子点和染料TiO2@CuGaS2/N719共敏化太阳电池效率达到7.4%, 相对于单敏化染料太阳电池而言,其电池效率提高了23%. CuGaS2量子点铆钉在半导体纳米颗粒增强了共敏化太阳电池的光吸收能力、 增加了电荷载流子数量, 促进了电子有效注入, 具有十分广阔的应用空间.



The authors thank the financial support from the National Key Research and Development Program of China (2016YFA0201001), the National Natural Science Foundation of China (11627801, 51102172 and 11772207), Science and Technology Plan of Shenzhen City (JCYJ20160331191436180), the Leading Talents of Guangdong Province Program (2016LJ06C372), the Natural Science Foundation for Outstanding Young Researcher in Hebei Province (E2016210093), the Key Program of Educational Commission of Hebei Province of China (ZD2016022), the Youth Top-notch Talents Supporting Plan of Hebei Province, the Graduate Innovation Foundation of Shijiazhuang Tiedao University, Hebei Provincial Key Laboratory of Traffic Engineering materials, and Hebei Key Discipline Construction Project.

Supplementary material

40843_2017_9078_MOESM1_ESM.pdf (337 kb)
Enhanced Performance of Solar Cells via Anchoring CuGaS2 Quantum Dots Enhanced performance of solar cells via anchoring CuGaS2 quantum dots


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Copyright information

© Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2017

Authors and Affiliations

  • Jinjin Zhao (赵晋津)
    • 1
    • 2
    • 3
    Email author
  • Zhenghao Liu (刘正浩)
    • 1
    • 3
  • Hao Tang (唐浩)
    • 4
  • Chunmei Jia (贾春媚)
    • 1
  • Xingyu Zhao (赵星宇)
    • 1
  • Feng Xue (薛峰)
    • 5
  • Liyu Wei (魏丽玉)
    • 1
    • 3
  • Guoli Kong (孔国丽)
    • 1
  • Chen Wang (王晨)
    • 1
  • Liu Jinxi (刘金喜)
    • 1
    Email author
  1. 1.School of Materials Science and Engineering, Department of Engineering MechanicsShijiazhuang Tiedao UniversityShijiazhuangChina
  2. 2.Engineering Research Center of Nano-Geo Materials of Ministry of EducationChina University of GeosciencesWuhanChina
  3. 3.Shenzhen Key Laboratory of Nanobiomechanics, Shenzhen Institutes of Advanced TechnologyChinese Academy of SciencesShenzhenChina
  4. 4.Department of Materials Science and EngineeringUniversity of WashingtonSeattleUSA
  5. 5.Hesteel Group Technology Research InstituteShijiazhuangChina

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