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April 22, 2026Solar RRL0 citations

Sustainable Surface Texturing of Monocrystalline Silicon for Solar Cell Efficiency

Sustainable Surface Texturing of Monocrystalline Silicon Wafers for Reflectivity Reduction and Enhanced Solar Cell Performance

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Authors

MRMariyappan RamanGJGokul JayavelSMSrinivasan Manickam

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Overview

This research investigates novel acid etching systems to improve solar cell performance in monocrystalline silicon, suggesting a sustainable fabrication method.

Key Points

  • The study aims to enhance light absorption in monocrystalline silicon wafers through innovative surface texturing methods.
  • Investigated three ternary acid etching systems: HF:HNO3:KMnO4, HF:H2SO4:KMnO4, HF:H2O2:KMnO4.
  • Compared these with conventional KOH:IPA:DI water texturing.
  • Analyzed properties using UV–vis spectroscopy, FTIR, FESEM, and minority carrier diffusion measurements.
  • HHP etching reduced average reflectance from 30.1% to 8.2% while maintaining a minority carrier lifetime of ≈25.6 μs.
  • HHP provided comparable or superior optical and electrical properties compared to KOH:IPA:DI water texturing.
  • The HHP system is environmentally friendly, producing harmless by-products like water and oxygen.

Cite This Study

Raman et al. (2026) studied this question.

synapsesocial.com/papers/69e865126e0dea528dde9babhttps://doi.org/10.1002/solr.70348
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Also Consider

Synapse has enriched 2 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Numerical modeling of textured silicon solar cells using PC-1D1990 · 360 citations
  2. 2MnO2/HF/HNO3/H2O System for High-Performance Texturization on Multi-Crystalline Silicon2019 · 6 citations