Synthesis of light-diffracting assemblies from microspheres and nanoparticles in droplets on a superhydrophobic surface

Vinayak Rastogi; Sonia Melle; Oscar G. Calderón; Antonio Garcia; Manuel Marquez; Orlin D. Velev

doi:10.1002/adma.200703008

Synthesis of light-diffracting assemblies from microspheres and nanoparticles in droplets on a superhydrophobic surface

Vinayak Rastogi, Sonia Melle, Oscar G. Calderón, Antonio Garcia, Manuel Marquez, Orlin D. Velev

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

148 Scopus citations

Abstract

A study was conducted to demonstrate a technique for synthesizing of light-diffracting assemblies from microspheres and nanoparticles (NP) in droplets of a superhydrophobic surface. It was demonstrated that the results of the process are near-spherical and spheroidal supraballs in dry environments. It was observed that droplets of 5.0 μL are dispensed on a superhydrophobic substrate coated with low-density polyethylene (LDPE). LDPE was selected for conducting investigations, as it was flexible, naturally hydrophobic, and cost-effective. The surfaces were generated by coating LDPE sheets with a solution of LDPE pellets in a mixture xylene and methyl ethyl ketone. It was observed that the LDPE substrate contact angles in the range of 140°-150°.

Original language	English (US)
Pages (from-to)	4263-4268
Number of pages	6
Journal	Advanced Materials
Volume	20
Issue number	22
DOIs	https://doi.org/10.1002/adma.200703008
State	Published - Nov 18 2008

ASJC Scopus subject areas

General Materials Science
Mechanics of Materials
Mechanical Engineering

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abstract = "A study was conducted to demonstrate a technique for synthesizing of light-diffracting assemblies from microspheres and nanoparticles (NP) in droplets of a superhydrophobic surface. It was demonstrated that the results of the process are near-spherical and spheroidal supraballs in dry environments. It was observed that droplets of 5.0 μL are dispensed on a superhydrophobic substrate coated with low-density polyethylene (LDPE). LDPE was selected for conducting investigations, as it was flexible, naturally hydrophobic, and cost-effective. The surfaces were generated by coating LDPE sheets with a solution of LDPE pellets in a mixture xylene and methyl ethyl ketone. It was observed that the LDPE substrate contact angles in the range of 140°-150°.",

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AU - Rastogi, Vinayak

AU - Melle, Sonia

AU - Calderón, Oscar G.

AU - Garcia, Antonio

AU - Marquez, Manuel

AU - Velev, Orlin D.

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Synthesis of light-diffracting assemblies from microspheres and nanoparticles in droplets on a superhydrophobic surface

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