期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 928, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2022.167258
关键词
Transparency; Photovoltaic Conversion; Order nanoarrays
资金
- National Natural Science Foundation of China
- Zhejiang Provincial Natural Science Foundation of China
- [51802282]
- [51672249]
- [LY22E020004]
A transparent Cu2O/ZIS-3-TiO2 pn junction with high transmittance and significant enhancement in photovoltaic conversion efficiency has been prepared. This is achieved by using Zn3In2S6 quantum dots with appropriate Fermi level, high quantum yields, and wide band gap, as well as orderly TiO2 nanoarrays providing carrier transportation pathway.
The transparent Cu2O film/Zn3In2S6 QDs/TiO2 orderly nanoarrays pn junction has been prepared via a continuous hydrothermal-co-precipitation-sputtering method. As revealed, the as-prepared Cu2O/Zn3In2S6 QDs/TiO2 transparent pn junction (Cu2O/ZIS-3-TiO2) exhibits highly transmittance of similar to 85%, obvious photovoltaic conversion enhancement of similar to 1.2 x 103 folds (IPCE of 1.17%) than intrinsic Cu2O/TiO2 pn junction, and decent stability during 40000s ' continuous cycle, which can be mainly ascribed to that, the Zn3In2S6 QDs with appropriate Fermi level, high quantum yields and wide band gap, can optimize the photo-generated carrier concentration-mobility kinetic equilibrium efficiently, while maintaining a high transparency. Additionally, TiO2 orderly nanoarrays can provide carrier transportation pathway, increase solar efficiency and physical stability.
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