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Energies 2010, 3(12), 1914-1933; doi:10.3390/en3121914

Hybrid Dielectric-Metallic Back Reflector for Amorphous Silicon Solar Cells

Department of Electrical and Computer Engineering, University of Delaware, 151 Evans Hall Newark, DE 19716, USA
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Received: 19 November 2010 / Accepted: 8 December 2010 / Published: 10 December 2010
(This article belongs to the Special Issue Solar Cells)
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Abstract

In this paper, we present the design and fabrication of hybrid dielectric-metallic back surface reflectors, for applications in thin film amorphous silicon solar cells. Standard multilayer distributed Bragg reflectors, require a large number of layers in order to achieve high reflectance characteristics. As it turns out, the addition of a metallic layer, to the base of such a multilayer mirror, enables a reduction in the number of dielectric layers needed to attain high reflectance performance. This paper explores the design, experimental realization and opportunities, in thin film amorphous silicon solar cells, afforded by such hybrid dielectric-metallic back surface reflectors.
Keywords: solar cells; light trapping; amorphous silicon; back reflector solar cells; light trapping; amorphous silicon; back reflector
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Mutitu, J.G.; Shi, S.; Barnett, A.; Prather, D.W. Hybrid Dielectric-Metallic Back Reflector for Amorphous Silicon Solar Cells. Energies 2010, 3, 1914-1933.

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