| One-step Index-tunable Antireflection Coatings from Aggregated Silica Nanoparticles. | |
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MedLine Citation:
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PMID: 23198825 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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We demonstrate a method for producing thickness- and refractive index-tunable antireflection coatings utilizing a one-step spin coating procedure with commercially available silica nanoparticle solutions. Aging nanoparticle solutions under controlled pH and temperature induces nanoparticle aggregation, which provides a precise way to control the porosity and thus refractive index of the resulting spin-processed coating. Thickness measurements of the nanoparticle coatings as a function of solution aging time and temperature allow for determination of the activation energy of the reaction-limited solution aggregation process, as confirmed by dynamic light scattering. We demonstrate how the controlled aggregation method can be used to optimize the antireflection effect for a single-layer silica nanoparticle coating on glass. This method can potentially be utilized to tailor the structure and properties of various nanoparticle-based assemblies. |
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Authors:
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Kevin T Cook; Kwadwo E Tettey; Robert M Bunch; Daeyeon Lee; Adam John Nolte |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-12-3 |
Journal Detail:
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Title: ACS applied materials & interfaces Volume: - ISSN: 1944-8252 ISO Abbreviation: ACS Appl Mater Interfaces Publication Date: 2012 Dec |
Date Detail:
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Created Date: 2012-12-3 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101504991 Medline TA: ACS Appl Mater Interfaces Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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