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This paper reports the fabrication of transparent SAW resonators using AZO as the transparent electrodes. Transparent SAW resonators exhibited two types of wave modes: Rayleigh and Sezawa waves, and signal amplitudes up to 25 dB were obtained with the transparency above 80%. The series resistance effect of the AZO film electrode on the performance of transparent SAW devices have been systematically...
Light trapping in amorphous silicon thin film solar cells has been an intensive study owing to the low absorption coefficient in near-infrared. We demonstrate a frontal pre-patterned substrate (PPS) on amorphous silicon solar cells, utilizing scalable colloidal lithography, to serve both functions of anti-reflection and light trapping effect. We show that a solar cell with front pre-patterned substrate...
The enhanced photoelectric conversion is demonstrated in nanostructured glass substrates for a-Si thin film solar cell. The nanostructured glass substrates were fabricated using nanosphere lithography and RIE technique. The nanostructure substrates provide antireflective and light scattering characteristics, which enhance the broadband light absorption, especially in near-infrared range. Finally we...
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