A combined grating structure is proposed to improve light absorption over the spectrum range 300-900 nm. The absorption enhancement comes from front dielectric grating and the interaction between the front dielectric and back metal gratings.
© 2012 OSA
S. Guo, G. Su, D. Xiao, and Z. Zhang, "Combined Grating Structures in Thin-Film Solar Cells for Broadband Light Absorption," in Renewable Energy and the Environment Optics and Photonics Congress, OSA Technical Digest (online) (Optical Society of America, 2012), paper PT3C.5.
References are not available for this paper.