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Transparent conductor-embedding nanolens for Si solar cells

Title
Transparent conductor-embedding nanolens for Si solar cells
Authors
Kim, JoondongKumar, Melvin DavidYun, Ju-HyungPark, Hyeong-HoLee, EunsongyiKim, Dong-wookKim, HyunyubKim, MingeonYi, JunsinKim, HongsikJeong, Chaehwan
Ewha Authors
김동욱
SCOPUS Author ID
김동욱scopus
Issue Date
2015
Journal Title
APPLIED PHYSICS LETTERS
ISSN
0003-6951JCR Link1077-3118JCR Link
Citation
vol. 106, no. 15
Publisher
AMER INST PHYSICS
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
We present a large-scale applicable nanolens-embedding solar cell. An electrically conductive and optically transparent indium-tin-oxide (ITO) thin film was coated on a Si substrate. After then, periodically patterned ITO nanodome-arrays were formed on the ITO film by using a nano-imprint method. This structure is effective to reduce the incident light reflection for broad wavelengths and also efficient to drive the incident photons into a light-absorbing Si substrate. There exist two electric fields. One is by a p/n junction and the other is by the light absorption into Si. We designed nanolens structures to overlap two electric fields and demonstrate highly improved solar cell performances of current and voltage values from a planar structure. (c) 2015 AIP Publishing LLC.
DOI
10.1063/1.4918610
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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