Nanostructured polycarbonate for robust transparency and anti-fogging by control of self-masking metallic clusters

Sun Mi Yoon; Hyunji Lee; Hyebin Lee; Sahn Nahm; Myoung Woon Moon

doi:10.1007/s11164-018-3273-8

Nanostructured polycarbonate for robust transparency and anti-fogging by control of self-masking metallic clusters

Sun Mi Yoon
, Hyunji Lee
, Hyebin Lee
, Sahn Nahm
, Myoung Woon Moon^*

^*Corresponding author for this work

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

7 Citations (Scopus)

Abstract

High-aspect-ratio nanostructures formed on a transparent polymer can be easily damaged after several cycles of anti-fogging testing, resulting in a reduction in optical transmittance. To ensure the robust wetting and optical properties of the transparent polycarbonate, we controlled the nanostructure geometries by adding the inert argon gas to oxygen gas during plasma-based selective ion etching process, resulting in both better transparency and longer-lasting anti-fogging properties. We confirmed that the size of the metallic clusters as a self-etching mask is strongly related to the aspect ratio of the final nanostructures. Since metallic clusters with relatively large diameters were formed with the addition of argon gas to oxygen gas, the robustness of the polycarbonate wettability and transparency instilled by the robust nanostructures was improved, as indicated by cyclic anti-fogging testing.

Original language	English
Pages (from-to)	4697-4706
Number of pages	10
Journal	Research on Chemical Intermediates
Volume	44
Issue number	8
DOIs	https://doi.org/10.1007/s11164-018-3273-8
Publication status	Published - 2018 Aug 1

Bibliographical note

Funding Information:
Acknowledgements This research was supported by a Korea Institute of Science and Technology (KIST) internal project. The authors also acknowledge support by a grant [KCG-01-2017-02] through the Disaster and Safety Management Institute funded by Korea Coast Guard of the Korean government.

Publisher Copyright:
© 2018, Springer Science+Business Media B.V., part of Springer Nature.

Keywords

Anti-fogging
Nanoclusters
Self-mask
Superhydrophilic surfaces
Transmittance

ASJC Scopus subject areas

General Chemistry

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10.1007/s11164-018-3273-8

Cite this

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title = "Nanostructured polycarbonate for robust transparency and anti-fogging by control of self-masking metallic clusters",

abstract = "High-aspect-ratio nanostructures formed on a transparent polymer can be easily damaged after several cycles of anti-fogging testing, resulting in a reduction in optical transmittance. To ensure the robust wetting and optical properties of the transparent polycarbonate, we controlled the nanostructure geometries by adding the inert argon gas to oxygen gas during plasma-based selective ion etching process, resulting in both better transparency and longer-lasting anti-fogging properties. We confirmed that the size of the metallic clusters as a self-etching mask is strongly related to the aspect ratio of the final nanostructures. Since metallic clusters with relatively large diameters were formed with the addition of argon gas to oxygen gas, the robustness of the polycarbonate wettability and transparency instilled by the robust nanostructures was improved, as indicated by cyclic anti-fogging testing.",

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note = "Funding Information: Acknowledgements This research was supported by a Korea Institute of Science and Technology (KIST) internal project. The authors also acknowledge support by a grant [KCG-01-2017-02] through the Disaster and Safety Management Institute funded by Korea Coast Guard of the Korean government. Publisher Copyright: {\textcopyright} 2018, Springer Science+Business Media B.V., part of Springer Nature.",

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AU - Nahm, Sahn

AU - Moon, Myoung Woon

N1 - Funding Information: Acknowledgements This research was supported by a Korea Institute of Science and Technology (KIST) internal project. The authors also acknowledge support by a grant [KCG-01-2017-02] through the Disaster and Safety Management Institute funded by Korea Coast Guard of the Korean government. Publisher Copyright: © 2018, Springer Science+Business Media B.V., part of Springer Nature.

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N2 - High-aspect-ratio nanostructures formed on a transparent polymer can be easily damaged after several cycles of anti-fogging testing, resulting in a reduction in optical transmittance. To ensure the robust wetting and optical properties of the transparent polycarbonate, we controlled the nanostructure geometries by adding the inert argon gas to oxygen gas during plasma-based selective ion etching process, resulting in both better transparency and longer-lasting anti-fogging properties. We confirmed that the size of the metallic clusters as a self-etching mask is strongly related to the aspect ratio of the final nanostructures. Since metallic clusters with relatively large diameters were formed with the addition of argon gas to oxygen gas, the robustness of the polycarbonate wettability and transparency instilled by the robust nanostructures was improved, as indicated by cyclic anti-fogging testing.

AB - High-aspect-ratio nanostructures formed on a transparent polymer can be easily damaged after several cycles of anti-fogging testing, resulting in a reduction in optical transmittance. To ensure the robust wetting and optical properties of the transparent polycarbonate, we controlled the nanostructure geometries by adding the inert argon gas to oxygen gas during plasma-based selective ion etching process, resulting in both better transparency and longer-lasting anti-fogging properties. We confirmed that the size of the metallic clusters as a self-etching mask is strongly related to the aspect ratio of the final nanostructures. Since metallic clusters with relatively large diameters were formed with the addition of argon gas to oxygen gas, the robustness of the polycarbonate wettability and transparency instilled by the robust nanostructures was improved, as indicated by cyclic anti-fogging testing.

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Nanostructured polycarbonate for robust transparency and anti-fogging by control of self-masking metallic clusters

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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