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May 28, 2026ACS Applied Energy Materials

High-Spatial-Resolution and Energy-Efficient Laser-Induced Annealing for AlO x /SiN x Passivation in Back-Contact Silicon Solar Cells

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Authors

ZTZebin TanHLH LiuZHZhipeng Huang

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Overview

Randomized trial demonstrates enhanced passivation in back-contact silicon solar cells, suggesting a sustainable approach to energy efficiency.

Key Points

  • This research aims to improve the energy efficiency and effectiveness of passivation techniques in silicon solar cells.
  • Utilized a laser annealing technique with spatiotemporal thermal confinement
  • Demonstrated the method on fully completed hybrid integrated back-contact devices
  • Compared results to conventional thermal activation processes.
  • Enhanced effective lifetime (τeff) from ∼2000 to 2760 μs
  • Achieved significant reduction in interface defect density (Dit)
  • Maintained passivation quality with less than 1% of the energy consumption of traditional methods.

Cite This Study

Tan et al. (2026) studied this question.

synapsesocial.com/papers/6a17dcbb3fad632b0f9d9786https://doi.org/10.1021/acsaem.6c00724
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