Efficiency enhancement of thin-film a-Si: H solar cell with periodic anti-ring back reflector

Hui Hsin Hsiao; Po Yuan Chen; I. Chun Cheng; Hung Chun Chang; Yuh Renn Wu

doi:10.1109/PVSC.2014.6925587

Efficiency enhancement of thin-film a-Si: H solar cell with periodic anti-ring back reflector

Hui Hsin Hsiao, Po Yuan Chen, I. Chun Cheng, Hung Chun Chang, Yuh Renn Wu

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The optical and electrical properties of a new type photonic-plasmonic nanostructure on the back contact of solar cells were investigated numerically through the three-dimensional (3D) finite-difference time-domain (FDTD) method and the poisson and drift-diffusion (DDCC) solver. The focusing effect and the Fabry-Perot resonances are identified as the main mechanisms for the enhancement of the optical generation rate as well as the short circuit current density. In addition, the surface topography of the nanopattern has a strong effect on the device physics such as the potential and recombination profiles, and therefore influencing the electrode collecting efficiency of the photocurrents.

Original language	English
Title of host publication	2014 IEEE 40th Photovoltaic Specialist Conference, PVSC 2014
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	3080-3082
Number of pages	3
ISBN (Electronic)	9781479943982
DOIs	https://doi.org/10.1109/PVSC.2014.6925587
Publication status	Published - Oct 15 2014
Externally published	Yes
Event	40th IEEE Photovoltaic Specialist Conference, PVSC 2014 - Denver, United States Duration: Jun 8 2014 → Jun 13 2014

Conference

Conference	40th IEEE Photovoltaic Specialist Conference, PVSC 2014
Country	United States
City	Denver
Period	6/8/14 → 6/13/14

Keywords

light trapping
solar cell

ASJC Scopus subject areas

Electrical and Electronic Engineering
Electronic, Optical and Magnetic Materials

Access to Document

10.1109/PVSC.2014.6925587

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Cite this

Efficiency enhancement of thin-film a-Si : H solar cell with periodic anti-ring back reflector. / Hsiao, Hui Hsin; Chen, Po Yuan; Cheng, I. Chun; Chang, Hung Chun; Wu, Yuh Renn.

2014 IEEE 40th Photovoltaic Specialist Conference, PVSC 2014. Institute of Electrical and Electronics Engineers Inc., 2014. p. 3080-3082 6925587.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Hsiao, HH, Chen, PY, Cheng, IC, Chang, HC & Wu, YR 2014, Efficiency enhancement of thin-film a-Si: H solar cell with periodic anti-ring back reflector. in 2014 IEEE 40th Photovoltaic Specialist Conference, PVSC 2014., 6925587, Institute of Electrical and Electronics Engineers Inc., pp. 3080-3082, 40th IEEE Photovoltaic Specialist Conference, PVSC 2014, Denver, United States, 6/8/14. https://doi.org/10.1109/PVSC.2014.6925587

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abstract = "The optical and electrical properties of a new type photonic-plasmonic nanostructure on the back contact of solar cells were investigated numerically through the three-dimensional (3D) finite-difference time-domain (FDTD) method and the poisson and drift-diffusion (DDCC) solver. The focusing effect and the Fabry-Perot resonances are identified as the main mechanisms for the enhancement of the optical generation rate as well as the short circuit current density. In addition, the surface topography of the nanopattern has a strong effect on the device physics such as the potential and recombination profiles, and therefore influencing the electrode collecting efficiency of the photocurrents.",

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