Photovoltaic Materials, Devices, and Technologies

Study of light scattering from randomly oriented submicron TiO2 structures for photovoltaic and photoelectrochemical catalysis applications

[+] Author Affiliations
Shilpi Shital, Viresh Dutta

IIT Delhi, Centre for Energy Studies, Photovoltaic Laboratory, Hauz Khas, New Delhi 110016, India

J. Photon. Energy. 6(2), 025503 (May 05, 2016). doi:10.1117/1.JPE.6.025503
History: Received January 13, 2016; Accepted April 12, 2016
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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.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Shilpi Shital and Viresh Dutta
"Study of light scattering from randomly oriented submicron TiO2 structures for photovoltaic and photoelectrochemical catalysis applications", J. Photon. Energy. 6(2), 025503 (May 05, 2016). ; http://dx.doi.org/10.1117/1.JPE.6.025503


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