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

Hyunyub Kim; Joondong Kim; Eunsongyi Lee; Dong Wook Kim; Ju Hyung Yun; Junsin Yi

doi:10.1063/1.4804581

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

Hyunyub Kim
, Joondong Kim
, Eunsongyi Lee
, Dong Wook Kim
, Ju Hyung Yun
, Junsin Yi

Department of Electronic and Electrical Engineering

Research output: Contribution to journal › Article › peer-review

34 Scopus citations

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 V_oc 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.

Original language	English
Article number	193904
Journal	Applied Physics Letters
Volume	102
Issue number	19
DOIs	https://doi.org/10.1063/1.4804581
State	Published - 13 May 2013

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title = "Effect of the short collection length in silicon microscale wire solar cells",

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.",

author = "Hyunyub Kim and Joondong Kim and Eunsongyi Lee and Kim, \{Dong Wook\} and Yun, \{Ju Hyung\} and Junsin Yi",

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doi = "10.1063/1.4804581",

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AU - Kim, Hyunyub

AU - Kim, Joondong

AU - Lee, Eunsongyi

AU - Kim, Dong Wook

AU - Yun, Ju Hyung

AU - Yi, Junsin

PY - 2013/5/13

Y1 - 2013/5/13

N2 - 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.

AB - 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.

UR - https://www.scopus.com/pages/publications/84877996122

U2 - 10.1063/1.4804581

DO - 10.1063/1.4804581

M3 - Article

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SN - 0003-6951

VL - 102

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 19

M1 - 193904

ER -

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

Abstract

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