Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
6534868 | Solar Energy Materials and Solar Cells | 2016 | 8 Pages |
Abstract
Zinc oxide (ZnO) is a widely used transparent conductive material for thin-film solar cells. Naturally textured ZnO deposited by low pressure chemical vapor deposition (LPCVD) is currently used to prepare high efficiency thin film silicon solar cells. However it is known that a strong roughness can disturb the growth of microcrystalline silicon and induce performance losses. An alternative approach denominated “nanocrystalline ZnO” is presented which allows to control surface roughness and haze during growth independently of other layer properties such as thickness, doping or conductivity for layers thicker than approximately 80Â nm. Surface morphologies, optical properties and material properties of the nanocrystalline ZnO layers together with solar cells results are presented.
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Authors
O. Caglar, P. Carroy, P.A. Losio, I. Sinicco,