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April 10, 2026Progress in Photovoltaics Research and ApplicationsOpen Access

Simulation Insights Into Enhanced Emitter Contact Passivation via LECO on Industrial TOPCon Solar Cells

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Authors

JXJiayu XuYQYun QinZZZhiyuan Zhang

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Overview

Simulation reveals enhanced cell efficiency through LECO technology in industrial solar cells, suggesting actionable optimization strategies.

Key Points

  • The study aims to understand how LECO technology affects emitter contact recombination and cell efficiency in TOPCon solar cells.
  • Utilized advanced numerical simulations to analyze firing conditions and LECO effects.
  • Examined doping dynamics and contact morphologies after firing steps.
  • Quantified the partial metal contact ratio and its influence on cell performance.
  • Reduced emitter contact recombination current density was achieved with LECO treatment.
  • Baseline cell efficiency improved from 25.5% to 26.07% through optimized contact strategies.
  • Demonstrated a correlation between metal contact ratio and reduced recombination losses.

Cite This Study

Xu et al. (2026) studied this question.

synapsesocial.com/papers/69d894ce6c1944d70ce05c8ahttps://doi.org/10.1002/pip.70104
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Laser enhanced contact optimization on rear-junction double-side TOPCon solar cells: Detailed analysis of Metal-Si contact properties and interfacial microstructures2026
  2. 2Achieving High‐Efficiency in Tunnelling Oxide Passivated Contact Solar Cells via an Extra Secondary Laser‐Enhanced Contact Optimization2026 · 1 citations
  3. 3Investigation of the Ag–Si contact characteristics of boron emitters for n‐TOPCon solar cells metallized by laser‐assisted current‐injection treatment2024 · 38 citations
  4. 4In Situ Electrothermal Heating Reveals the Mechanism of Laser‐Enhanced Front Contacts in TOPCon Solar Cells2026
  5. 5Enhancing the reliability of TOPCon technology by laser-enhanced contact firing2024 · 59 citations