Periodic anti-ring back reflectors for hydrogenated amorphous silicon thin-film solar cells

Po Yuan Chen, Hui Hsin Hsiao, Chung I. Ho, Chi Chih Ho, Wei Li Lee, Hung Chun Chang, Si Chen Lee, Jian Zhang Chen, I. Chun Cheng

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Large and periodic anti-ring arrays are fabricated by using a monolayer of polymer/nanosphere hybrid technique and applied as back reflectors in substrate-type hydrogenated amorphous silicon (a-Si:H) thinfilm solar cells. The structure of each anti-ring comprises a nanodome centered inside a nanohole. The excitation of Bloch wave surface plasmon polaritons is observed in the Ag-coated anti-ring arrays. The nanodomes of the anti-ring arrays turn out to enhance large-angle light scattering and increase the effective optical path in the solar cell. The resulting efficiency of an ultrathin a-Si:H (thickness: 150 nm) solar cell is enhanced by 39% compared to that with a flat back reflector and by 13% compared to that with a nanohole back reflector.

Original languageEnglish
JournalOptics Express
Volume22
Issue numberSUPPL. 4
DOIs
Publication statusPublished - Jun 30 2014
Externally publishedYes

Fingerprint

reflectors
amorphous silicon
solar cells
rings
thin films
optical paths
polaritons
surface waves
light scattering
polymers
excitation

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Chen, P. Y., Hsiao, H. H., Ho, C. I., Ho, C. C., Lee, W. L., Chang, H. C., ... Cheng, I. C. (2014). Periodic anti-ring back reflectors for hydrogenated amorphous silicon thin-film solar cells. Optics Express, 22(SUPPL. 4). https://doi.org/10.1364/OE.22.0A1128

Periodic anti-ring back reflectors for hydrogenated amorphous silicon thin-film solar cells. / Chen, Po Yuan; Hsiao, Hui Hsin; Ho, Chung I.; Ho, Chi Chih; Lee, Wei Li; Chang, Hung Chun; Lee, Si Chen; Chen, Jian Zhang; Cheng, I. Chun.

In: Optics Express, Vol. 22, No. SUPPL. 4, 30.06.2014.

Research output: Contribution to journalArticle

Chen, PY, Hsiao, HH, Ho, CI, Ho, CC, Lee, WL, Chang, HC, Lee, SC, Chen, JZ & Cheng, IC 2014, 'Periodic anti-ring back reflectors for hydrogenated amorphous silicon thin-film solar cells', Optics Express, vol. 22, no. SUPPL. 4. https://doi.org/10.1364/OE.22.0A1128
Chen, Po Yuan ; Hsiao, Hui Hsin ; Ho, Chung I. ; Ho, Chi Chih ; Lee, Wei Li ; Chang, Hung Chun ; Lee, Si Chen ; Chen, Jian Zhang ; Cheng, I. Chun. / Periodic anti-ring back reflectors for hydrogenated amorphous silicon thin-film solar cells. In: Optics Express. 2014 ; Vol. 22, No. SUPPL. 4.
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AU - Lee, Wei Li

AU - Chang, Hung Chun

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AU - Chen, Jian Zhang

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