journal article·2024-08-23

Transparent p–n Junction in Cu2O/ZnS/ZnO Core–Shell Nanoarrays via In Situ Sulfuration for Enhanced Photovoltaic Stability

Yujie Zhang, Pengjie Zhang, Shouzhe Feng, Jun Cao, Jingjing Wang, Yingying Zheng, Lei Shi, Chaorong Li, Jiaqi Pan

ACS Applied Nano Materials· Volume 7· Issue 16
Publisher page

Abstract

A Cu 2 O/ZnS/ZnO core–shell orderly nanoarray transparent p–n junction was prepared using a hydrothermal in situ sulfuration–sputtering method. Compared with Cu 2 O/ZnO, Cu 2 O/ZnS/ZnO exhibited a higher transmittance of ∼85%, photovoltaic enhancement by ∼1.2 × 10 3 -fold (a photovoltaic conversion efficiency of ∼1.28%), and stable output during a 6 month cycle. This can be primarily attributed to the in situ dual functional ZnS transition layer, which exhibits an appropriate Fermi level and high quantum yield, thereby efficiently optimizing the carrier equilibrium while sustaining higher transparency. Furthermore, the ZnS/ZnO core–shell nanoarrays with a better carrier transport pathway and increased solar efficiency can optimize the carrier kinetic equilibrium. In addition, the ZnS/ZnO nanoarrays with higher physical stability and in situ ZnS shell with higher chemical stability can efficiently increase the photovoltaic stability.
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Research context

OpenAlex topics: Copper-based nanomaterials and applications · ZnO doping and properties · Quantum Dots Synthesis And Properties

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou 310018, PR China

Hangzhou Zhongneng Photoelectricity Technology Co., Ltd., Hangzhou, 310018, PR China

Funding

National Natural Science Foundation of China · Natural Science Foundation of Zhejiang Province

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