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M. GOGOI1,* , T. D. DAS1
This study presents a TCAD-based optical–electrical analysis of nanostructured amorphous silicon (a-Si) p–i–n solar cells incorporating pyramidal textures, microlens arrays, and cylindrical scattering layers. The effects of surface texturing on optical absorption, photocurrent density, and light-trapping behaviour were systematically investigated using SILVACO simulation. Comparative analysis revealed that cylindrical scattering structures provide the most effective light-management strategy by improving long-wavelength photon confinement and increasing optical path length, resulting in a short-circuit current density of approximately 9–10 mA/cm² and enhanced overall device performance.
Amorphous silicon solar cell, Texturing, Light trapping.
M. GOGOI, T. D. DAS, Optical–electrical characterization of textured amorphous silicon p–i–n solar cells using Silvaco simulation, Optoelectronics and Advanced Materials - Rapid Communications, 20, 9-10, September-October 2026, pp.445-450 (2026).
Submitted at: May 17, 2026
Accepted at: Oct. 5, 2026
Optoelectronics and Advanced Materials - Rapid Communications
(2025): Impact Factor = 0.5 - Journal Citation Reports (Clarivate Analytics, 2026)
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