Low-temperature solution processed random silver nanowire as a promising replacement for indium tin oxide

Arastoo Teymouri, Supriya Pillai, Zi Ouyang, Xiaojing Hao, Fangyang Liu, Chang Yan, Martin A. Green

Research output: Contribution to journalArticleResearchpeer-review

Abstract

A low-temperature solution-based process for depositing silver nanowire (AgNW) networks for use as transparent conductive top electrode is demonstrated. These AgNWs when applied to Cu 2 ZnSnS 4 solar cells outperformed indium tin oxide as the top electrode. Thinner nanowires allow the use of lower temperatures during processing, while longer wires allow lowered sheet resistance for the same surface coverage of NWs, enhancing the transmittance/conductance trade-off. Conductive atomic force microscopy and percolation theory were used to study the quality of the NW network at the microscale. Our optimized network yielded a sheet resistance of 18 Ω/□ and ∼95% transmission across the entire wavelength range of interest for a deposition temperature as low as of 60 °C. Our results show that AgNWs can be used for low-temperature cell fabrication using cheap solution-based processes that could also be promising for other solar cells constrained to low processing temperatures such as organic and perovskite solar cells.

LanguageEnglish
Pages34093-34100
Number of pages8
JournalACS Applied Materials and Interfaces
Volume9
Issue number39
DOIs
Publication statusPublished - 4 Oct 2017
Externally publishedYes

Fingerprint

Tin oxides
Silver
Indium
Nanowires
Sheet resistance
Solar cells
Temperature
Electrodes
Processing
Atomic force microscopy
indium tin oxide
Wire
Fabrication
Wavelength

Keywords

  • silver nanowire
  • transparent conductive layer
  • low-temperature process
  • conductive atomic force microscopy
  • solar cell

Cite this

Teymouri, Arastoo ; Pillai, Supriya ; Ouyang, Zi ; Hao, Xiaojing ; Liu, Fangyang ; Yan, Chang ; Green, Martin A. / Low-temperature solution processed random silver nanowire as a promising replacement for indium tin oxide. In: ACS Applied Materials and Interfaces. 2017 ; Vol. 9, No. 39. pp. 34093-34100.
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abstract = "A low-temperature solution-based process for depositing silver nanowire (AgNW) networks for use as transparent conductive top electrode is demonstrated. These AgNWs when applied to Cu 2 ZnSnS 4 solar cells outperformed indium tin oxide as the top electrode. Thinner nanowires allow the use of lower temperatures during processing, while longer wires allow lowered sheet resistance for the same surface coverage of NWs, enhancing the transmittance/conductance trade-off. Conductive atomic force microscopy and percolation theory were used to study the quality of the NW network at the microscale. Our optimized network yielded a sheet resistance of 18 Ω/□ and ∼95{\%} transmission across the entire wavelength range of interest for a deposition temperature as low as of 60 °C. Our results show that AgNWs can be used for low-temperature cell fabrication using cheap solution-based processes that could also be promising for other solar cells constrained to low processing temperatures such as organic and perovskite solar cells.",
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Low-temperature solution processed random silver nanowire as a promising replacement for indium tin oxide. / Teymouri, Arastoo; Pillai, Supriya; Ouyang, Zi; Hao, Xiaojing; Liu, Fangyang; Yan, Chang; Green, Martin A.

In: ACS Applied Materials and Interfaces, Vol. 9, No. 39, 04.10.2017, p. 34093-34100.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Yan, Chang

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