Advanced Materials

Cover image for Vol. 28 Issue 7

23_10/2011Thin-Film Solar Cells: Light Absorption Enhancement in Thin-Film Solar Cells Using Whispering Gallery Modes in Dielectric Nanospheres (Adv. Mater. 10/2011)

A novel approach to increasing light absorption in thin-film solar cells is demonstrated by Jonathan Grandidier and co-workers on p. 1272. This new method involves redirecting the incident sunlight into the cell via coupling to the whispering gallery modes of dielectric spheres, which lie atop the cell. Such a scheme leads to a predicted current enhancement of >12% for a-Si.

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