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Updated: Jan 28, 2026

Polycrystalline Silicon Thin-film Solar cells with Plasmonic-enhanced Light-trapping
Published on: July 2, 2012
Efficient polycrystalline silicon solar cells with double metal oxide layers.
Yichen Xu1, Jie Liu, Yonghua Cui
1College of Chemistry and Materials Science, Shanghai Normal University, 100 Guilin Rd, Shanghai 200234, People's Republic of China. xibinyu@shnu.edu.cn liujie@shnu.edu.cn.
Researchers enhanced polycrystalline silicon solar cell performance by adding antimony oxide/cadmium oxide double layers. This low-cost method improved power conversion efficiency by 33%, boosting commercial viability.
Area of Science:
- Materials Science
- Photovoltaics
- Semiconductor Devices
Background:
- Crystalline silicon solar cells are commercially viable but require further optimization.
- Improving power conversion efficiency (PCE) is crucial for solar energy advancement.
Purpose of the Study:
- To enhance the performance of polycrystalline silicon solar cells.
- To explore the effectiveness of Sb2Ox/CdO double layers as a low-cost optimization strategy.
Main Methods:
- Deposition of antimony oxide/cadmium oxide (Sb2Ox/CdO) double layers onto a silicon wafer.
- Fabrication of metal oxide-enhanced heterojunctions.
Main Results:
- The Sb2Ox/CdO double layers formed effective heterojunctions, suppressing carrier recombination and reducing surface reflection.
- The Sb2Ox/CdO/Si heterojunctions improved electron and hole transmission and broadened spectral response.
- Power conversion efficiency increased from 12.6% to 16.7%, a relative increase of 33%.
Conclusions:
- The low-cost deposition of Sb2Ox/CdO double layers significantly enhances polycrystalline silicon solar cell performance.
- Metal oxide-enhanced heterojunctions offer a promising pathway for commercial solar applications.
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