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The tradeoff between plasmonic enhancement and optical loss in silicon nanowire solar cells integrated in a metal back reflector
- Authors
- Zhou, Keya; Guo, Zhongyi; Li, Xiaopeng; Jung, Jin-Young; Jee, Sang-Won; Park, Kwang-Tae; Um, Han-Don; Wang, Ning; Lee, Jung-Ho
- Issue Date
- Sep-2012
- Publisher
- Optical Society of America
- Keywords
- ABSORPTION ENHANCEMENT; PHOTOVOLTAIC APPLICATIONS; LIGHT; GROWTH; ARRAYS
- Citation
- Optics Express, v.20, no.S5, pp A777 - A787
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- Optics Express
- Volume
- 20
- Number
- S5
- Start Page
- A777
- End Page
- A787
- ISSN
- 1094-4087
- Abstract
- We perform a systematic numerical study to characterize the tradeoff between the plasmonic enhancement and optical loss in periodically aligned, silicon nanowire (SiNW) arrays integrated with a silver back reflector (Ag BR). Optimizing the embedded depth of the wire bottoms into a silver reflector achieved a highly efficient SiNW solar cell. Compared to the SiNW solar cell employing a flat back reflector, the embedded depth of similar to 20 nm resulted in the relative increase of similar to 5% in ultimate solar cell efficiency. (C) 2012 Optical Society of America
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Related Researcher
- Lee, Jung-Ho
- ERICA 첨단융합대학 (ERICA 신소재·반도체공학전공)