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Journal of Photonics for Energy

Study of light scattering from randomly oriented submicron TiO2 structures for photovoltaic and photoelectrochemical catalysis applications
Author(s): Shilpi Shital; Viresh Dutta
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Paper Abstract

The paper reports on the scattering properties of different submicron mesoporous TiO2 structures and their correlation with the efficiency of photovoltaic devices. Bruggeman’s effective medium theory was used to calculate the effective refractive index. T-matrix and Mie theory were used to evaluate scattering parameters, such as scattering coefficient and asymmetry factor. The parameters presented here can be used either to understand the suitability of these TiO2 structures for photovoltaic and photocatalysis applications or as inputs for full optoelectronics simulation of devices. Scattering coefficients of the structures were found to mainly depend on their volume and porosity rather than shape. The dimensions and refractive index of scattering structures commonly used for photovoltaic and photocatalytic application are generally within a range of dimensions and refractive indices quite similar to that discussed in this paper, and hence, results discussed will also be indicative for other scattering structures for the same application. The effects of shape, size, and porosity on scattering parameters have also been discussed.

Paper Details

Date Published: 5 May 2016
PDF: 10 pages
J. Photon. Energy 6(2) 025503 doi: 10.1117/1.JPE.6.025503
Published in: Journal of Photonics for Energy Volume 6, Issue 2
Show Author Affiliations
Shilpi Shital, Indian Institute of Technology Delhi (India)
Viresh Dutta, Indian Institute of Technology Delhi (India)

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