Nanostructured multilayer graded-index antireflection coating for Si solar cells with broadband and omnidirectional characteristics
SCIE
SCOPUS
- Title
- Nanostructured multilayer graded-index antireflection coating for Si solar cells with broadband and omnidirectional characteristics
- Authors
- Chhajed, S; Schubert, MF; Kim, JK; Schubert, EF
- Date Issued
- 2008-12-22
- Publisher
- AMER INST PHYSICS
- Abstract
- Design, fabrication, and characterization of a broadband, omnidirectional, graded-index antireflection (AR) coating made using nanostructured low-refractive-index (n=1.05-1.40) silica deposited by oblique-angle deposition are reported. Averaged over wavelength range from 400 to 1100 nm and 0 degrees-90 degrees angle of incidence, polished Si reflects similar to 37% of incident radiation. The reflection losses are reduced to only 5.9% by applying a three-layer graded-index AR coating to Si. Our experimental results are in excellent agreement with theoretical calculations. The AR coatings reported here can be optimized for photovoltaic cells made of any type of material.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/9612
- DOI
- 10.1063/1.3050463
- ISSN
- 0003-6951
- Article Type
- Article
- Citation
- APPLIED PHYSICS LETTERS, vol. 93, no. 25, 2008-12-22
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