Angular response of thin-film organic solar cells with periodic metal back nanostrips

Wei E.I. Sha, Wallace C.H. Choy, Weng Cho Chew

Research output: Contribution to journalArticlepeer-review

Abstract

We theoretically study the angular response of thin-film organic solar cells with periodic Au back nanostrips. In particular, the equation of the generalized Lambert's cosine law for arbitrary periodic nanostructure is formulated. We show that the periodic strip structure achieves wide-angle absorption enhancement compared with the planar nonstrip structure for both the s-and p-polarized light, which is mainly attributed to the resonant Wood's anomalies and surface plasmon resonances, respectively. The work is important for designing and optimizing high-efficiency photovoltaic cells.

Original languageEnglish (US)
Pages (from-to)478-480
Number of pages3
JournalOptics Letters
Volume36
Issue number4
DOIs
StatePublished - Feb 15 2011

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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