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Effect of the short collection length in silicon microscale wire solar cells

Title
Effect of the short collection length in silicon microscale wire solar cells
Authors
Kim H.Kim J.Lee E.Kim D.-W.Yun J.-H.Yi J.
Ewha Authors
김동욱
SCOPUS Author ID
김동욱scopus
Issue Date
2013
Journal Title
Applied Physics Letters
ISSN
0003-6951JCR Link
Citation
vol. 102, no. 19
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Electrical and optical properties of silicon microscale wire (SiMW) solar cells were investigated. Diverse designs were applied for SiMW geometries as light absorbers. Finite-difference time-domain simulation shows a focused optical field in the wires inducing an optical absorption enhancement in SiMW solar cells. SiMW solar cells provided remarkably higher Voc values (0.597-0.61 V) than that of the planar solar cell (0.587 V). As for the electrical aspects, the position of the space charge region in a SiMW directly affects the carrier collection efficiency according to the SiMW diameter and significantly modulates the photogenerated-currents and voltages in solar cells. © 2013 AIP Publishing LLC.
DOI
10.1063/1.4804581
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자연과학대학 > 물리학전공 > Journal papers
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