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. 2014 Jun 4;26(21):3445-50.
doi: 10.1002/adma.201305394. Epub 2014 Feb 18.

Enhanced light absorption of silicon nanotube arrays for organic/inorganic hybrid solar cells

Huisu Jeong  1 , Hui Song, Yusin Pak, Il Keun Kwon, Kyubong Jo, Heon Lee, Gun Young Jung
Affiliations

Enhanced light absorption of silicon nanotube arrays for organic/inorganic hybrid solar cells

Huisu Jeong et al. Adv Mater. .

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 Jsc 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.

Keywords: light trapping; nanoimprint lithography; nanotube; photovoltaics; solar cell.

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