Efficiency enhancement of non-selenized Cu(In,Ga)Se2 solar cells employing scalable low-cost antireflective coating

Bao Tang Jheng; Po-Tsun Liu; Meng Chyi Wu

doi:10.1186/1556-276X-9-331

Efficiency enhancement of non-selenized Cu(In,Ga)Se₂ solar cells employing scalable low-cost antireflective coating

Bao Tang Jheng, Po-Tsun Liu^*, Meng Chyi Wu

^*Corresponding author for this work

Department of Photonics

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

8 Scopus citations

Abstract

In this study, a non-selenized CuInGaSe₂ (CIGS) solar device with textured zinc oxide (ZnO) antireflection coatings was studied. The ZnO nanostructure was fabricated by a low-temperature aqueous solution deposition method. With controlling the morphology of the solution-grown tapered ZnO nanorod coatings, the average reflectance of the CIGS solar device decreased from 8.6% to 2.1%, and the energy conversion efficiency increased from 9.1% to 11.1%. The performance improvement in the CuInGaSe₂ thin-film solar cell was well explained due to the gradual increase of the refractive index between air and the top electrode of solar cell device by the insertion of the ZnO nanostructure. The results demonstrate a potential application of the ZnO nanostructure array for efficient solar device technology.

Original language	English
Pages (from-to)	1-6
Number of pages	6
Journal	Nanoscale Research Letters
Volume	9
DOIs	https://doi.org/10.1186/1556-276X-9-331
State	Published - 1 Jan 2014

Keywords

Anti-reflection (AR) coating
Thin-film solar cell (TFSC)
Zinc oxide (ZnO)

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10.1186/1556-276X-9-331

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title = "Efficiency enhancement of non-selenized Cu(In,Ga)Se2 solar cells employing scalable low-cost antireflective coating",

abstract = "In this study, a non-selenized CuInGaSe2 (CIGS) solar device with textured zinc oxide (ZnO) antireflection coatings was studied. The ZnO nanostructure was fabricated by a low-temperature aqueous solution deposition method. With controlling the morphology of the solution-grown tapered ZnO nanorod coatings, the average reflectance of the CIGS solar device decreased from 8.6% to 2.1%, and the energy conversion efficiency increased from 9.1% to 11.1%. The performance improvement in the CuInGaSe2 thin-film solar cell was well explained due to the gradual increase of the refractive index between air and the top electrode of solar cell device by the insertion of the ZnO nanostructure. The results demonstrate a potential application of the ZnO nanostructure array for efficient solar device technology.",

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T1 - Efficiency enhancement of non-selenized Cu(In,Ga)Se2 solar cells employing scalable low-cost antireflective coating

AU - Jheng, Bao Tang

AU - Liu, Po-Tsun

AU - Wu, Meng Chyi

PY - 2014/1/1

Y1 - 2014/1/1

N2 - In this study, a non-selenized CuInGaSe2 (CIGS) solar device with textured zinc oxide (ZnO) antireflection coatings was studied. The ZnO nanostructure was fabricated by a low-temperature aqueous solution deposition method. With controlling the morphology of the solution-grown tapered ZnO nanorod coatings, the average reflectance of the CIGS solar device decreased from 8.6% to 2.1%, and the energy conversion efficiency increased from 9.1% to 11.1%. The performance improvement in the CuInGaSe2 thin-film solar cell was well explained due to the gradual increase of the refractive index between air and the top electrode of solar cell device by the insertion of the ZnO nanostructure. The results demonstrate a potential application of the ZnO nanostructure array for efficient solar device technology.

AB - In this study, a non-selenized CuInGaSe2 (CIGS) solar device with textured zinc oxide (ZnO) antireflection coatings was studied. The ZnO nanostructure was fabricated by a low-temperature aqueous solution deposition method. With controlling the morphology of the solution-grown tapered ZnO nanorod coatings, the average reflectance of the CIGS solar device decreased from 8.6% to 2.1%, and the energy conversion efficiency increased from 9.1% to 11.1%. The performance improvement in the CuInGaSe2 thin-film solar cell was well explained due to the gradual increase of the refractive index between air and the top electrode of solar cell device by the insertion of the ZnO nanostructure. The results demonstrate a potential application of the ZnO nanostructure array for efficient solar device technology.

KW - Anti-reflection (AR) coating

KW - Thin-film solar cell (TFSC)

KW - Zinc oxide (ZnO)

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Efficiency enhancement of non-selenized Cu(In,Ga)Se₂ solar cells employing scalable low-cost antireflective coating

Abstract

Keywords

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