Enhanced electron photoemission by collective lattice resonances in plasmonic nanoparticle-array photodetectors and solar cells
arXiv:1305.4964 · doi:10.1007/s11468-013-9621-z
Abstract
We propose to use collective lattice resonances in plasmonic nanoparticle arrays to enhance photoelectron emission in Schottky-barrier photodetectors and solar cells. We show that the interaction of lattice resonances (the Rayleigh anomaly) and individual particle excitations (localized surface plasmon resonances) leads to stronger local field enhancement and significant increase of the photocurrent compared to the case when only individual particle excitations are present. The results can be used to design new photodetectors with highly selective, tunable spectral response, able to detect photons with the energy below the semiconductor bandgap, and to develop solar cells with increased efficiency.
To appear in Plasmonics
References in corpus (1)
Cited by in corpus (15)
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