Effective light trapping in polycrystalline silicon thin-film solar cells by means of rear localized surface plasmons

Zi Ouyang*, Supriya Pillai, Fiona Beck, Oliver Kunz, Sergey Varlamov, Kylie R. Catchpole, Patrick Campbell, Martin A. Green

*Corresponding author for this work

Research output: Contribution to journalArticle

129 Citations (Scopus)

Abstract

Significant photocurrent enhancement has been achieved for evaporated solid-phase-crystallized polycrystalline silicon thin-film solar cells on glass, due to light trapping provided by Ag nanoparticles located on the rear silicon surface of the cells. This configuration takes advantage of the high scattering cross-section and coupling efficiency of rear-located particles formed directly on the optically dense silicon layer. We report short-circuit current enhancement of 29% due to Ag nanoparticles, increasing to 38% when combined with a detached back surface reflector. Compared to conventional light trapping schemes for these cells, this method achieves 1/3 higher short-circuit current.

Original languageEnglish
Article number261109
Pages (from-to)1-3
Number of pages3
JournalApplied Physics Letters
Volume96
Issue number26
DOIs
Publication statusPublished - 28 Jun 2010
Externally publishedYes

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