Double-Layer Antireflection Coatings for CIGS Thin-Film Solar Cells

Faiz Ahmad; Benjamin J. Civiletti; Peter B. Monk; Akhlesh Lakhtakia

Double-Layer Antireflection Coatings for CIGS Thin-Film Solar Cells

Antireflection coatings are vital for reducing loss due to optical reflection in photovoltaic solar cells. A single-layer magnesium fluoride (MgF2) antireflection coating is usually used in thin-film CIGS solar cells. According to optics, this coating can be effective only for a narrow spectral regime. Further reduction of reflection loss may require an optimal single-layer or multi-layer coating. Hence, we optimized the refractive indices and thicknesses of single- and double-layer antireflection coatings for CIGS solar cells containing a CIGS absorber layer with: (i) homogeneous bandgap, (ii) linearly graded bandgap, or (iii) nonlinearly graded bandgap. A relative enhancement of up to 1.83% is predicted with an optimal double-layer antireflection coating compared to the efficiency with a single-layer antireflection coating.

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Metadata

Work Title	Double-Layer Antireflection Coatings for CIGS Thin-Film Solar Cells
Access	Open Access
Creators	Faiz Ahmad Benjamin J. Civiletti Peter B. Monk Akhlesh Lakhtakia
Keyword	CIGS solar cells Antireflection coatings Optoelectronic optimization
License	In Copyright (Rights Reserved)
Work Type	Conference Proceeding
Publisher	Proc. SPIE 12477, International Workshop on Thin Films for Electronics, Electro-Optics, Energy and Sensors 2022
Publication Date	January 31, 2023
Publisher Identifier (DOI)	https://doi.org/10.1117/12.2645881
Source	Event: International Workshop on Thin Films for Electronics, Electro-Optics, Energy and Sensors, 2022, Boston, Massachusetts, United States
Deposited	July 24, 2023

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Double-Layer Antireflection Coatings for CIGS Thin-Film Solar Cells

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View: Ahmad_22_1v6A.pdf

Metadata

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Work History

Version 1
published

Double-Layer Antireflection Coatings for CIGS Thin-Film Solar Cells

Files

View: Ahmad_22_1v6A.pdf

Metadata

Versions

Analytics

Collections

Work History

Version 1 published

Version 1
published