Solar energy conversion via hot electron internal photoemission in metallic nanostructures

Efficiency estimates

Andrew J. Leenheer, Prineha Narang, Nathan S. Lewis, Harry A. Atwater

Research output: Contribution to journalArticle

64 Citations (Scopus)

Abstract

Collection of hot electrons generated by the efficient absorption of light in metallic nanostructures, in contact with semiconductor substrates can provide a basis for the construction of solar energy-conversion devices. Herein, we evaluate theoretically the energy-conversion efficiency of systems that rely on internal photoemission processes at metal-semiconductor Schottky-barrier diodes. In this theory, the current-voltage characteristics are given by the internal photoemission yield as well as by the thermionic dark current over a varied-energy barrier height. The Fowler model, in all cases, predicts solar energy-conversion efficiencies of

Original languageEnglish
Article number134301
JournalJournal of Applied Physics
Volume115
Issue number13
DOIs
Publication statusPublished - Apr 7 2014

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solar energy conversion
energy conversion efficiency
hot electrons
photoelectric emission
thermionics
estimates
Schottky diodes
dark current
electric potential
metals
energy

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Solar energy conversion via hot electron internal photoemission in metallic nanostructures : Efficiency estimates. / Leenheer, Andrew J.; Narang, Prineha; Lewis, Nathan S.; Atwater, Harry A.

In: Journal of Applied Physics, Vol. 115, No. 13, 134301, 07.04.2014.

Research output: Contribution to journalArticle

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