Flexible high performance hybrid AZO/Ag-nanowire/AZO sandwich structured transparent conductors for flexible Cu(In,Ga)Se                        2                         solar cell applications

Wen Chi Tsai; Stuart R. Thomas; Cheng Hung Hsu; Yu Chen Huang; Jiun Yi Tseng; Tsung Ta Wu; Chia Ho Chang; Zhiming M. Wang; Jia Min Shieh; Chang Hong Shen; Yu Lun Chueh

doi:10.1039/c5ta09000h

Flexible high performance hybrid AZO/Ag-nanowire/AZO sandwich structured transparent conductors for flexible Cu(In,Ga)Se ₂ solar cell applications

Wen Chi Tsai, Stuart R. Thomas, Cheng Hung Hsu, Yu Chen Huang, Jiun Yi Tseng, Tsung Ta Wu, Chia Ho Chang, Zhiming M. Wang, Jia Min Shieh, Chang Hong Shen, Yu Lun Chueh

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

30 Citations (Scopus)

Abstract

We report on the fabrication of a robust and flexible transparent electrode to replace costly and fragile indium tin oxide (ITO) used in flexible Cu(In,Ga)Se ₂ solar cells, composed of an aluminum doped zinc oxide (AZO)/Ag-nanowires/aluminum doped zinc oxide (AZO) (AAA herein) sandwich structure. The Ag-NWs networks form low-resistance, long-range pathways throughout the electrode that are able to maintain efficient charge carrier collection and extraction after strenuous mechanical bending. The improved durability of the AAA electrode enables our CIGS solar cells to maintain ∼95% of their initial power conversion efficiency, following 1000 bending cycles. In comparison, devices fabricated using AZO and ITO electrodes are only able to maintain ∼57 and ∼5%, respectively, due to crack formation and delamination of the films. This AAA sandwich structure electrode could therefore serve as a high-performance electrode for numerous flexible optoelectronic applications.

Original language	English
Pages (from-to)	6980-6988
Number of pages	9
Journal	Journal of Materials Chemistry A
Volume	4
Issue number	18
DOIs	https://doi.org/10.1039/c5ta09000h
Publication status	Published - Jan 1 2016
Externally published	Yes

ASJC Scopus subject areas

General Chemistry
Renewable Energy, Sustainability and the Environment
General Materials Science

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1039/c5ta09000h

Cite this

Tsai, W. C., Thomas, S. R., Hsu, C. H., Huang, Y. C., Tseng, J. Y., Wu, T. T., Chang, C. H., Wang, Z. M., Shieh, J. M., Shen, C. H., & Chueh, Y. L. (2016). Flexible high performance hybrid AZO/Ag-nanowire/AZO sandwich structured transparent conductors for flexible Cu(In,Ga)Se ₂ solar cell applications. Journal of Materials Chemistry A, 4(18), 6980-6988. https://doi.org/10.1039/c5ta09000h

Flexible high performance hybrid AZO/Ag-nanowire/AZO sandwich structured transparent conductors for flexible Cu(In,Ga)Se ₂ solar cell applications. / Tsai, Wen Chi; Thomas, Stuart R.; Hsu, Cheng Hung et al.
In: Journal of Materials Chemistry A, Vol. 4, No. 18, 01.01.2016, p. 6980-6988.

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

Tsai, WC, Thomas, SR, Hsu, CH, Huang, YC, Tseng, JY, Wu, TT, Chang, CH, Wang, ZM, Shieh, JM, Shen, CH & Chueh, YL 2016, 'Flexible high performance hybrid AZO/Ag-nanowire/AZO sandwich structured transparent conductors for flexible Cu(In,Ga)Se ₂ solar cell applications', Journal of Materials Chemistry A, vol. 4, no. 18, pp. 6980-6988. https://doi.org/10.1039/c5ta09000h

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abstract = " We report on the fabrication of a robust and flexible transparent electrode to replace costly and fragile indium tin oxide (ITO) used in flexible Cu(In,Ga)Se 2 solar cells, composed of an aluminum doped zinc oxide (AZO)/Ag-nanowires/aluminum doped zinc oxide (AZO) (AAA herein) sandwich structure. The Ag-NWs networks form low-resistance, long-range pathways throughout the electrode that are able to maintain efficient charge carrier collection and extraction after strenuous mechanical bending. The improved durability of the AAA electrode enables our CIGS solar cells to maintain ∼95% of their initial power conversion efficiency, following 1000 bending cycles. In comparison, devices fabricated using AZO and ITO electrodes are only able to maintain ∼57 and ∼5%, respectively, due to crack formation and delamination of the films. This AAA sandwich structure electrode could therefore serve as a high-performance electrode for numerous flexible optoelectronic applications. ",

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