Improved conversion efficiency of GaN-based solar cells with Mn-doped absorption layer

Jinn-Kong Sheu, Feng Wen Huang, Chia Hui Lee, Ming Lun Lee, Yu Hsiang Yeh, Po Cheng Chen, Wei-Chi Lai

研究成果: Article

14 引文 (Scopus)

摘要

GaN-based solar cells with Mn-doped absorption layer grown by metal-organic vapor-phase epitaxy were investigated. The transmittance spectrum and the spectral response showed the presence of an Mn-related band absorption property. Power-dependent, dual-light excitation, and lock-in amplifier techniques were performed to confirm if the two-photon absorption process occurred in the solar cells with Mn-doped GaN absorption layer. Although a slight decrease in an open circuit voltage was observed, a prominent increase in the short circuit current density resulted in a significant enhancement of the overall conversion efficiency. Under one-sun air mass 1.5 G standard testing condition, the conversion efficiency of Mn-doped solar cells can be enhanced by a magnitude of 5 times compared with the cells without Mn-doped absorption layer.

原文English
文章編號063906
期刊Applied Physics Letters
103
發行號6
DOIs
出版狀態Published - 2013 八月 5

指紋

solar cells
air masses
short circuit currents
open circuit voltage
spectral sensitivity
vapor phase epitaxy
transmittance
sun
amplifiers
current density
absorption spectra
augmentation
photons
cells
metals
excitation

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

引用此文

Sheu, Jinn-Kong ; Huang, Feng Wen ; Lee, Chia Hui ; Lee, Ming Lun ; Yeh, Yu Hsiang ; Chen, Po Cheng ; Lai, Wei-Chi. / Improved conversion efficiency of GaN-based solar cells with Mn-doped absorption layer. 於: Applied Physics Letters. 2013 ; 卷 103, 編號 6.
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Improved conversion efficiency of GaN-based solar cells with Mn-doped absorption layer. / Sheu, Jinn-Kong; Huang, Feng Wen; Lee, Chia Hui; Lee, Ming Lun; Yeh, Yu Hsiang; Chen, Po Cheng; Lai, Wei-Chi.

於: Applied Physics Letters, 卷 103, 編號 6, 063906, 05.08.2013.

研究成果: Article

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AU - Sheu, Jinn-Kong

AU - Huang, Feng Wen

AU - Lee, Chia Hui

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AU - Yeh, Yu Hsiang

AU - Chen, Po Cheng

AU - Lai, Wei-Chi

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AB - GaN-based solar cells with Mn-doped absorption layer grown by metal-organic vapor-phase epitaxy were investigated. The transmittance spectrum and the spectral response showed the presence of an Mn-related band absorption property. Power-dependent, dual-light excitation, and lock-in amplifier techniques were performed to confirm if the two-photon absorption process occurred in the solar cells with Mn-doped GaN absorption layer. Although a slight decrease in an open circuit voltage was observed, a prominent increase in the short circuit current density resulted in a significant enhancement of the overall conversion efficiency. Under one-sun air mass 1.5 G standard testing condition, the conversion efficiency of Mn-doped solar cells can be enhanced by a magnitude of 5 times compared with the cells without Mn-doped absorption layer.

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