Journal
OPTICS EXPRESS
Volume 17, Issue 16, Pages 14312-14321Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.17.014312
Keywords
-
Categories
Funding
- French National Research Agency (ANR) through the Solar Photovoltaic program (SPARCS project).
Ask authors/readers for more resources
We propose a design that increases significantly the absorption of a thin layer of absorbing material such as amorphous silicon. This is achieved by patterning a one-dimensional photonic crystal (1DPC) in this layer. Indeed, by coupling the incident light into slow Bloch modes of the 1DPC, we can control the photon lifetime and then, enhance the absorption integrated over the whole solar spectrum. Optimal parameters of the 1DPC maximize the integrated absorption in the wavelength range of interest, up to 45% in both S and P polarization states instead of 33% for the unpatterned, 100 nm thick amorphous silicon layer. Moreover, the absorption is tolerant with respect to fabrication errors, and remains relatively stable if the angle of incidence is changed. (C) 2009 Optical Society of America
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available