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Passivation Coating on Electrospun Copper Nanofibers for Stable Transparent Electrodes
Abstract
Copper nanofiber networks, which possess the advantages of low cost, moderate flexibility, small sheet resistance, and high transmittance, are one of the most promising candidates to replace indium tin oxide films as the premier transparent electrode. However, the chemical activity of copper nanofibers causes a substantial increase in the sheet resistance after thermal oxidation or chemical corrosion of the nanofibers. In this work, we utilize atomic layer deposition to coat a passivation layer of aluminum-doped zinc oxide (AZO) and aluminum oxide onto electrospun copper nanofibers and remarkably enhance their durability. Our AZO-copper nanofibers show resistance increase of remarkably only 10% after thermal oxidation at 160 °C in dry air and 80 °C in humid air with 80% relative humidity, whereas bare copper nanofibers quickly become insulating. In addition, the coating and baking of the acidic PEDOT:PSS layer on our fibers increases the sheet resistance of bare copper nanofibers by 6 orders of magnitude, while the AZO-Cu nanofibers show an 18% increase.
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Cited by
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Wu, H., Kong, D., Ruan, Z., Hsu, P.-C., Wang, S., Yu, Z., Carney, T. J., Hu, L., Fan, S., & Cui, Y. (2013) · Nature Nanotechnology · doi:10.1038/nnano.2013.84 · Cited by 952
Self-citationFlexible transparent conductive materials based on silver nanowire networks: a review
Langley, D., Giusti, G., Mayousse, C., Celle, C., Bellet, D., & Simonato, J.-P. (2013) · Nanotechnology · doi:10.1088/0957-4484/24/45/452001 · Cited by 709
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Yao, S., & Zhu, Y. (2015) · Advanced Materials · doi:10.1002/adma.201404446 · Cited by 695
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Zhang, C.-L., & Yu, S.-H. (2014) · Chemical Society Reviews · doi:10.1039/c3cs60426h · Cited by 665
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Metadata
- Authors
- Hsu, P.-C., Wu, H., Carney, T. J., McDowell, M. T., Yang, Y., Garnett, E. C., Li, M., Hu, L., & Cui, Y.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-05-07
- Volume
- 6
- Issue
- 6
- Pages
- 5150-5156
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2330821254
- Cited by
- 183
- References
- 0
- FWCI
- 9.16
- Type
- journal article
- Language
- en
- Open access
- closed
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- Hsu, P.-C., Wu, H., Carney, T. J., McDowell, M. T., Yang, Y., Garnett, E. C., Li, M., Hu, L., & Cui, Y. (2012). Passivation Coating on Electrospun Copper Nanofibers for Stable Transparent Electrodes. ACS Nano. https://doi.org/10.1021/nn300844g
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