Layer-by-layer fabrication of broad-band superhydrophobic antireflection coatings in near-infrared region

Lianbin Zhang; Yang Li; Junqi Sun; Jiacong Shen

doi:10.1016/j.jcis.2007.11.020

Layer-by-layer fabrication of broad-band superhydrophobic antireflection coatings in near-infrared region

Lianbin Zhang, Yang Li, Junqi Sun^*, Jiacong Shen

^*Corresponding author for this work

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

100 Scopus citations

Abstract

Broad-band superhydrophobic antireflective (AR) coatings in near infrared (NIR) region were readily fabricated on silicon or quartz substrates by a layer-by-layer (LbL) assembly technique. First, a porous poly(diallyldimethylammonium chloride) (PDDA)/SiO₂ nanoparticle multilayer coating with AR property was prepared by LbL deposition of PDDA and 200 nm SiO₂ nanoparticles. PDDA was then alternately assembled with sodium silicate on the PDDA/SiO₂ nanoparticle coating to prepare a two-level hierarchical surface. Superhydrophobic AR coating with a water contact angle of 154° was finally obtained after chemical vapor deposition of a layer of fluoroalkylsilane on the hierarchical surface. Quartz substrate with the as-fabricated superhydrophobic AR coating has a maximal transmittance above 98% of incidence light in the NIR region, which is increased by five percent compared with bare quartz substrate. Simultaneously, the superhydrophobic property endows the AR coating with water-repellent ability. Such superhydrophobic AR coatings can effectively avoid the disturbance of water vapor on their AR property and are expected to be applicable under humid environments.

Original language	English (US)
Pages (from-to)	302-308
Number of pages	7
Journal	Journal of colloid and interface science
Volume	319
Issue number	1
DOIs	https://doi.org/10.1016/j.jcis.2007.11.020
State	Published - Mar 1 2008
Externally published	Yes

Bibliographical note

Funding Information:
This work is supported by the National Natural Science Foundation of China (NSFC Grants 20304004), the Foundation for the Author of National Excellent Doctoral Dissertation of PR China (FANEDD Grant 200323), the National Basic Research Program (2007CB808003), the Program for New Century Excellent Talents in University (NCET) and the Program for Changjiang Scholars and Innovative Research Team in University (PCSIRT Grant IRT0422).

Keywords

Antireflection
Layer-by-layer assembly
Multilayer films
SiO nanoparticles
Superhydrophobic

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Biomaterials
Surfaces, Coatings and Films
Colloid and Surface Chemistry

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10.1016/j.jcis.2007.11.020

Cite this

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title = "Layer-by-layer fabrication of broad-band superhydrophobic antireflection coatings in near-infrared region",

abstract = "Broad-band superhydrophobic antireflective (AR) coatings in near infrared (NIR) region were readily fabricated on silicon or quartz substrates by a layer-by-layer (LbL) assembly technique. First, a porous poly(diallyldimethylammonium chloride) (PDDA)/SiO2 nanoparticle multilayer coating with AR property was prepared by LbL deposition of PDDA and 200 nm SiO2 nanoparticles. PDDA was then alternately assembled with sodium silicate on the PDDA/SiO2 nanoparticle coating to prepare a two-level hierarchical surface. Superhydrophobic AR coating with a water contact angle of 154° was finally obtained after chemical vapor deposition of a layer of fluoroalkylsilane on the hierarchical surface. Quartz substrate with the as-fabricated superhydrophobic AR coating has a maximal transmittance above 98% of incidence light in the NIR region, which is increased by five percent compared with bare quartz substrate. Simultaneously, the superhydrophobic property endows the AR coating with water-repellent ability. Such superhydrophobic AR coatings can effectively avoid the disturbance of water vapor on their AR property and are expected to be applicable under humid environments.",

keywords = "Antireflection, Layer-by-layer assembly, Multilayer films, SiO nanoparticles, Superhydrophobic",

author = "Lianbin Zhang and Yang Li and Junqi Sun and Jiacong Shen",

note = "Funding Information: This work is supported by the National Natural Science Foundation of China (NSFC Grants 20304004), the Foundation for the Author of National Excellent Doctoral Dissertation of PR China (FANEDD Grant 200323), the National Basic Research Program (2007CB808003), the Program for New Century Excellent Talents in University (NCET) and the Program for Changjiang Scholars and Innovative Research Team in University (PCSIRT Grant IRT0422).",

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AU - Zhang, Lianbin

AU - Li, Yang

AU - Sun, Junqi

AU - Shen, Jiacong

N1 - Funding Information: This work is supported by the National Natural Science Foundation of China (NSFC Grants 20304004), the Foundation for the Author of National Excellent Doctoral Dissertation of PR China (FANEDD Grant 200323), the National Basic Research Program (2007CB808003), the Program for New Century Excellent Talents in University (NCET) and the Program for Changjiang Scholars and Innovative Research Team in University (PCSIRT Grant IRT0422).

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N2 - Broad-band superhydrophobic antireflective (AR) coatings in near infrared (NIR) region were readily fabricated on silicon or quartz substrates by a layer-by-layer (LbL) assembly technique. First, a porous poly(diallyldimethylammonium chloride) (PDDA)/SiO2 nanoparticle multilayer coating with AR property was prepared by LbL deposition of PDDA and 200 nm SiO2 nanoparticles. PDDA was then alternately assembled with sodium silicate on the PDDA/SiO2 nanoparticle coating to prepare a two-level hierarchical surface. Superhydrophobic AR coating with a water contact angle of 154° was finally obtained after chemical vapor deposition of a layer of fluoroalkylsilane on the hierarchical surface. Quartz substrate with the as-fabricated superhydrophobic AR coating has a maximal transmittance above 98% of incidence light in the NIR region, which is increased by five percent compared with bare quartz substrate. Simultaneously, the superhydrophobic property endows the AR coating with water-repellent ability. Such superhydrophobic AR coatings can effectively avoid the disturbance of water vapor on their AR property and are expected to be applicable under humid environments.

AB - Broad-band superhydrophobic antireflective (AR) coatings in near infrared (NIR) region were readily fabricated on silicon or quartz substrates by a layer-by-layer (LbL) assembly technique. First, a porous poly(diallyldimethylammonium chloride) (PDDA)/SiO2 nanoparticle multilayer coating with AR property was prepared by LbL deposition of PDDA and 200 nm SiO2 nanoparticles. PDDA was then alternately assembled with sodium silicate on the PDDA/SiO2 nanoparticle coating to prepare a two-level hierarchical surface. Superhydrophobic AR coating with a water contact angle of 154° was finally obtained after chemical vapor deposition of a layer of fluoroalkylsilane on the hierarchical surface. Quartz substrate with the as-fabricated superhydrophobic AR coating has a maximal transmittance above 98% of incidence light in the NIR region, which is increased by five percent compared with bare quartz substrate. Simultaneously, the superhydrophobic property endows the AR coating with water-repellent ability. Such superhydrophobic AR coatings can effectively avoid the disturbance of water vapor on their AR property and are expected to be applicable under humid environments.

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Layer-by-layer fabrication of broad-band superhydrophobic antireflection coatings in near-infrared region

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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