Plasmonic reflection grating back contacts for microcrystalline silicon solar cells | Zendy

Ulrich W. Paetzold | Zendy; Etienne Moulin | Zendy; Dirk Michaelis | Zendy; W. Böttler | Zendy; C. Wächter | Zendy; Volker Hagemann | Zendy; M. Meier | Zendy; R. Carius | Zendy; Uwe Rau | Zendy

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Plasmonic reflection grating back contacts for microcrystalline silicon solar cells

Author(s) -

Ulrich W. Paetzold,

Etienne Moulin,

Dirk Michaelis,

W. Böttler,

C. Wächter,

Volker Hagemann,

M. Meier,

R. Carius,

Uwe Rau

Publication year - 2011

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.3657513

Subject(s) - plasmon , plasmonic solar cell , materials science , grating , optoelectronics , optics , silicon , solar cell , trapping , polymer solar cell , physics , ecology , biology

We report on the fabrication and optical simulation of a plasmonic light-trapping concept for microcrystalline silicon solar cells, consisting of silver nanostructures arranged in square lattice at the ZnO:Al/Ag back contact of the solar cell. Those solar cells deposited on this plasmonic reflection grating back contact showed an enhanced spectral response in the wavelengths range from 500 nm to 1000 nm, when comparing to flat solar cells. For a particular period, even an enhancement of the short circuit current density in comparison to the conventional random texture light-trapping concept is obtained. Full three-dimensional electromagnetic simulations are used to explain the working principle of the plasmonic light-trapping concept. (C) 2011 American Institute of Physics. [doi:10.1063/1.3657513

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