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Enhanced Light Absorption of Silicon Nanotube Arrays for Organic/Inorganic Hybrid Solar Cells
- Issue Date
- 4-Jun-2014
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- light trapping; nanoimprint lithography; nanotube; photovoltaics; solar cell
- Citation
- ADVANCED MATERIALS, v.26, no.21, pp.3445 - 3450
- Indexed
- SCIE
SCOPUS
- Journal Title
- ADVANCED MATERIALS
- Volume
- 26
- Number
- 21
- Start Page
- 3445
- End Page
- 3450
- ISSN
- 0935-9648
- Abstract
- By combining nanoimprint lithography technique and a two-step lift-off process, a Si nanotube array is fabricated and applied as a light absorber for n-Si/PEDOT:PSS hybrid solar cells. The light is effectively trapped within the nanotubes and the device reveals a J(SC) of 29.9 mA.cm(-2) and a power conversion efficiency of 10.03%, which is an enhancement of 13.4% compared to the cell having the best-known Si architecture of nanocones as a light absorber to date.
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