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Multi-Resonant Silver Nano-Disk Patterned Thin Film Hydrogenated Amorphous Silicon Solar Cells For Staebler-Wronski Effect Compensation, Ankit Vora, Jephias Gwamuri, Joshua M. Pearce, Paul L. Bergstrom, Durdu Ö. Güney
Multi-Resonant Silver Nano-Disk Patterned Thin Film Hydrogenated Amorphous Silicon Solar Cells For Staebler-Wronski Effect Compensation, Ankit Vora, Jephias Gwamuri, Joshua M. Pearce, Paul L. Bergstrom, Durdu Ö. Güney
Department of Materials Science and Engineering Publications
We study polarization independent improved light trapping in commercial thin film hydrogenated amorphous silicon (a-Si:H) solar photovoltaic cells using a three-dimensional silver array of multi-resonant nano-disk structures embedded in a silicon nitride anti-reflection coating to enhance optical absorption in the intrinsic layer (i-a-Si:H) for the visible spectrum for any polarization angle. Predicted total optical enhancement (OE) in absorption in the i-a-Si:H for AM-1.5 solar spectrum is 18.51% as compared to the reference, and producing a 19.65% improvement in short-circuit current density (JSC) over 11.7 mA/cm2 for a reference cell. The JSC in the nano-disk patterned solar cell (NDPSC) was found …