Surface wettability, as one of the most crucial properties of solid surface, is a very common interface phenomenon in our daily life and nature. The authors obtained water-repellent porous silica microbowl-like structure by controlled sol-gel method with tetraethaoxysilane (TEOS) as a precursor and 3,3,3-trifluropropyltrimethoxysilane (TFPTMOS) as a coprecursor. The water-repellent properties of the coatings were raised with increasing molar ratio (M) of TFPTMOS/TEOS. The prepared silica coatings showed water-repellent behavior with water contact angle of 136 ± 3° and sliding angle of 18 ± 1° without any posthydrophobization. In conclusion, the wetting properties were dependent on the micro-/nano-structure and the chemical composition of the coatings.
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September 2013
Brief Report|
September 01 2013
Sol-gel-processed porous water-repellent silica microbowls Available to Purchase
Annaso B. Gurav, MSc;
Annaso B. Gurav, MSc
*
Department of Physics, Shivaji University, Kolhapur, Maharashtra, India
*Corresponding author e-mail address: annaso.gurav@gmail.com
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Sanjay S. Latthe, PhD;
Sanjay S. Latthe, PhD
School of Mechanical Engineering, Korea University, Seoul, South Korea
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Rajiv S. Vhatkar, PhD
Rajiv S. Vhatkar, PhD
Department of Physics, Shivaji University, Kolhapur, Maharashtra, India
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*Corresponding author e-mail address: annaso.gurav@gmail.com
Publisher: Emerald Publishing
Received:
March 20 2013
Accepted:
May 09 2013
Online ISSN: 2050-6260
Print ISSN: 2050-6252
ICE Publishing: All rights reserved
2013
Surface Innovations (2013) 1 (3): 157–161.
Article history
Received:
March 20 2013
Accepted:
May 09 2013
Citation
Gurav AB, Latthe SS, Vhatkar RS (2013), "Sol-gel-processed porous water-repellent silica microbowls". Surface Innovations, Vol. 1 No. 3 pp. 157–161, doi: https://doi.org/10.1680/si.13.00007
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