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Graphene/Nanoporous Silica: Smart Antireflective & Hydrophobic Coating

By Jarnail Singh

Graphene/Nanoporous Silica: Smart Antireflective & Hydrophobic Coating Natural Sciences

Graphene/Nanoporous Silica: Smart Antireflective & Hydrophobic Coating

By Jarnail Singh

0 - Default Title
Description
This study develops a single-layer broadband and wide-angle antireflective (AR) coating with a hydrophobic surface to prevent environmental contamination. Porosity was introduced into the silica film matrix using an acid-catalyzed sol-gel method with polyethylene glycol (PEG) as a porosity modifier. Silica sol modified with PEG4000 achieved optimal porosity (2-4 nm) and the highest transmittance (98.2%). A graphene layer was added to enhance hydrophobicity, achieving a contact angle of 105.3°, compensating for a slight transmittance reduction (1.15%). Atomic force microscopy and field emission scanning electron microscopy confirmed increased porosity and groove-like surface morphology. Contact angle measurements indicated strong van der Waals interactions between the porous silica film and graphene, leading to a hydrophobic and anti-corrosive AR coating.
Product details
Binding:
Paperback
Number of Pages:
76
Release Date:
2025-04-01
Publication Date:
2025-04-01
Publisher:
LAP LAMBERT Academic Publishing
Languages:
Original: English
ISBN10:
6208440068
ISBN13:
9786208440060
GPSR Manufacturer Reference:
[email protected]
Weight:
131 g
Height:
150 cm
Width:
220 cm
Thickness:
5 cm
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