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author:

Li, S. (Li, S..) [1] | Page, K. (Page, K..) [2] | Sathasivam, S. (Sathasivam, S..) [3] | Heale, F. (Heale, F..) [4] | He, G. (He, G..) [5] | Lu, Y. (Lu, Y..) [6] | Lai, Y. (Lai, Y..) [7] | Chen, G. (Chen, G..) [8] | Carmalt, C.J. (Carmalt, C.J..) [9] | Parkin, I.P. (Parkin, I.P..) [10]

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Abstract:

Translucent and superhydrophobic glass surfaces were fabricated by one-step deposition of a composite from the precursors, polydimethylsiloxane (PDMS) and tetraethyl orthosilicate (TEOS), via aerosol-assisted chemical vapour deposition. A raspberry-like hierarchical structure was obtained due to the nanoparticles being decomposed by the TEOS precursor and deposited around the micro-scale particles formed by the hydrolysis of the PDMS precursor. In this work, a translucent and superhydrophobic film was prepared by using optimized parameters (T: 290-330 °C, deposition time: 15-30 min) and the resulting water contact angle and sliding angle were >160° and <1°, respectively. It was found that there were 9 bounce cycles when water droplets were dropped onto such surfaces. Superior robustness was observed against tape-peeling, and on exposure to UV light (365 nm, 3.7 mW cm-2, 72 h) and to a large pH range (pH = 1-14, 72 h). The mechanical robustness was also examined and the results demonstrated that the film loses its superhydrophobicity when abraded for 5 meters with coarse sandpaper. The self-cleaning test demonstrated that the superhydrophobic surface could shed various contaminants and aqueous dyes, leaving a clear surface behind. This novel method can be applied to various substrates, including flexible (fabric and copper mesh) and rigid materials (copper block). This can provide a new, rapid and facile route for producing large-scale samples with multifunctional applications. © 2018 The Royal Society of Chemistry.

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  • [ 1 ] [Li, S.]National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou, 215123, China
  • [ 2 ] [Li, S.]Department of Chemistry, University College London, London, WC1H0AJ, United Kingdom
  • [ 3 ] [Page, K.]Department of Chemistry, University College London, London, WC1H0AJ, United Kingdom
  • [ 4 ] [Sathasivam, S.]Department of Chemistry, University College London, London, WC1H0AJ, United Kingdom
  • [ 5 ] [Heale, F.]Department of Chemistry, University College London, London, WC1H0AJ, United Kingdom
  • [ 6 ] [He, G.]Department of Chemistry, University College London, London, WC1H0AJ, United Kingdom
  • [ 7 ] [Lu, Y.]Department of Mechanical Engineering, University College London, Torrington Place, London, WC1E7JE, United Kingdom
  • [ 8 ] [Lai, Y.]National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou, 215123, China
  • [ 9 ] [Lai, Y.]College of Chemical Engineering, Fuzhou University, Fuzhou, 350116, China
  • [ 10 ] [Chen, G.]National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou, 215123, China
  • [ 11 ] [Carmalt, C.J.]Department of Chemistry, University College London, London, WC1H0AJ, United Kingdom
  • [ 12 ] [Parkin, I.P.]Department of Chemistry, University College London, London, WC1H0AJ, United Kingdom

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Source :

Journal of Materials Chemistry A

ISSN: 2050-7488

Year: 2018

Issue: 36

Volume: 6

Page: 17633-17641

1 0 . 7 3 3

JCR@2018

1 0 . 8 0 0

JCR@2023

ESI HC Threshold:284

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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