Core-shell ITO/ZnO/CdS/CdTe nanowire solar cells.

11 November 2014

Abstract

Radial p-n junction nanowire (NW) solar cells with high densities of CdTe NWs coated with indium tin oxide (ITO)/ZnO/CdS triple shells were grown with excellent heterointerfaces. The optical reflectance of the devices was lower than for equivalent planar films by a factor of 100.

The best efficiency for the NW solar cells was η = 2.49%, with current transport being dominated by recombination, and the conversion efficiencies being limited by a back contact barrier (ϕB = 0.52 eV) and low shunt resistances (RSH < 500 Ω·cm2).

Citation

Williams, B.L., Taylor, A.A., Mendis, B.G., Phillips, L., Bowen, L., Major, J.D. and Durose, K., 2014. Core-shell ITO/ZnO/CdS/CdTe nanowire solar cells. Applied Physics Letters, 104(5), p.053907.

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Categories: Solar & Photovoltaics

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