A Model for Light Scattering by Rough Tin Oxide

James G. O'Dowd

doi:10.1117/12.936672

23 February 1987 A Model for Light Scattering by Rough Tin Oxide

James G. O'Dowd

Proceedings Volume 0692, Materials and Optics for Solar Energy Conversion and Advanced Lightning Technology; (1987) https://doi.org/10.1117/12.936672
Event: 30th Annual Technical Symposium, 1986, San Diego, United States

Abstract

The long wavelength quantum efficiency of a-Si solar cells can be greatly enhanced by light scattering at the rough tin oxide front contact. SEM photographs of the textured tin oxide indicate the surface to be composed of pyramidal microcrystallites with diameters ranging from .1 to 1.5 microns. A model is presented which idealizes the pyramid by replacing it with a sphere, a feature with known scattering properties. To account for the variety of microcrystallite sizes, the distribution of spheres is assumed to be Gaussian. Results of the model are compared with the integrated scattered transmission of visible light measured through tin oxide films of various feature size.

Citation Download Citation

James G. O'Dowd "A Model for Light Scattering by Rough Tin Oxide", Proc. SPIE 0692, Materials and Optics for Solar Energy Conversion and Advanced Lightning Technology, (23 February 1987); https://doi.org/10.1117/12.936672

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