Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
6535018 | Solar Energy Materials and Solar Cells | 2015 | 6 Pages |
Abstract
Thermal to electrical energy conversation by Seebeck element was enhanced by up to â¼ 50% by dispersing 50Â nm diameter Au nanoparticles over the black-Si light harvesting surface at an optimized concentration. Size of Au nanoparticles is the defining factor for the spectral position of the extinction maximum at which the cumulative absorption of black-Si (without nanoparticles) can be augmented resulting in an increase of voltage produced by a Seebeck element. Black-Si with reflectivity of 1-2% over the entire visible spectral range is a promising material for extending the operational range of solar and thermal energy converters into longer wavelength regions. Numerical simulations reveal efficient localization of light energy absorption inside black-Si.
Keywords
Related Topics
Physical Sciences and Engineering
Chemical Engineering
Catalysis
Authors
Ryosuke Komatsu, Armandas BalÄytis, Gediminas Seniutinas, Takuya Yamamura, Yoshiaki Nishijima, Saulius Juodkazis,