NDLI: Variable structural colors and hydrophobicity of SiO$_{2}$/polyethyleneimine coating on glass substrate

Content Provider	Springer Nature Link
Author	Jia, Yanrong Zhang, Yun Liu, Guojin Zhuang, Guangqing Fan, Qinguo Shao, Jianzhong
Copyright Year	2015
Abstract	Films composed of nanoparticles have been commonly used in decorative applications due to their striking colors and useful self-cleaning properties. An efficient option for the structural coloration has been developed through fabrication of the thin films on substrates from SiO$_{2}$ nanoparticles and PEI. The surface morphology and microstructure of SiO$_{2}$/polyethyleneimine (PEI) film on glass substrate were analyzed with an SEM, AFM, and thickness analyzer. The homogeneous coatings of limited SiO$_{2}$ aggregation with air voids were formed on glass substrates. It was strongly suggested that optical properties of the films came from the single-layer thin film interference effect. The structural colors of SiO$_{2}$/PEI films were captured by digital camera, integrating sphere spectrophotometer and multi-angle spectrophotometer. The results indicated that the films illuminated distinctly as the thickness increased, and presented different lightness values and hues at various viewing angles. Moreover, those films with some surface roughness exhibited high water static contact angle, which endowed the films potential hydrophilicity and self-cleaning property.
Starting Page	1031
Ending Page	1039
Page Count	9
File Format	PDF
ISSN	15470091
Journal	JCT Research
Volume Number	12
Issue Number	6
e-ISSN	19353804
Language	English
Publisher	Springer US
Publisher Date	2015-07-11
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	SiO$_{2}$/polyethyleneimine Coating Structural color Hydrophobicity Contact angle Tribology, Corrosion and Coatings Surfaces and Interfaces, Thin Films Polymer Sciences Industrial Chemistry/Chemical Engineering Materials Science
Content Type	Text
Resource Type	Article
Subject	Chemistry Surfaces, Coatings and Films Colloid and Surface Chemistry Surfaces and Interfaces

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