Light scattering from ZnO nanorods (NR) is investigated, modeled, and applied to a solar cell. ZnO NR (120-1300 nm long, 280-60 nm large), grown by low-cost chemical bath deposition at 90 °C, exhibit diffused-to-total transmitted light as high as 70% and 30% in the 400 and 1000 nm wavelength range, respectively. Data and scattering simulation show that ZnO NR length plays a crucial role in light diffusion effect. A transparent ZnO NR film grown on glass and placed on top of a 1 μm thick c-Si solar cell is shown to enhance the light-current conversion efficiency for wavelengths longer than 600 nm. © 2015 AIP Publishing LLC.
Strano, V., Smecca, E., Depauw, V., Trompoukis, C., Alberti, A., Reitano, R., et al. (2015). Low-cost high-haze films based on ZnO nanorods for light scattering in thin c-Si solar cells. APPLIED PHYSICS LETTERS, 106(1) [10.1063/1.4905389].
Low-cost high-haze films based on ZnO nanorods for light scattering in thin c-Si solar cells
Crupi, I.;
2015-01-01
Abstract
Light scattering from ZnO nanorods (NR) is investigated, modeled, and applied to a solar cell. ZnO NR (120-1300 nm long, 280-60 nm large), grown by low-cost chemical bath deposition at 90 °C, exhibit diffused-to-total transmitted light as high as 70% and 30% in the 400 and 1000 nm wavelength range, respectively. Data and scattering simulation show that ZnO NR length plays a crucial role in light diffusion effect. A transparent ZnO NR film grown on glass and placed on top of a 1 μm thick c-Si solar cell is shown to enhance the light-current conversion efficiency for wavelengths longer than 600 nm. © 2015 AIP Publishing LLC.
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