| One-step photoembossing for submicrometer surface relief structures in liquid crystal semiconductors. | |
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MedLine Citation:
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PMID: 20455584 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We report a new single-step method to directly imprint nanometer-scale structures on photoreactive organic semiconductors. A surface relief grating is spontaneously formed when a light-emitting, liquid crystalline, and semiconducting thin film is irradiated by patterned light generated using a phase mask. Grating formation requires no postannealing nor wet etching so there is potential for high-throughput fabrication. The structured film is cross-linked for robustness. Gratings deeper than the original film thickness are made with periods as small as 265 nm. Grating formation is attributed to mass transfer, enhanced by self-assembly, from dark to illuminated regions. A photovoltaic device incorporating the grating is discussed. |
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Authors:
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Alicia Liedtke; Chunhong Lei; Mary O'Neill; Peter E Dyer; Stuart P Kitney; Stephen M Kelly |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: ACS nano Volume: 4 ISSN: 1936-086X ISO Abbreviation: ACS Nano Publication Date: 2010 Jun |
Date Detail:
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Created Date: 2010-06-22 Completed Date: 2010-10-08 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101313589 Medline TA: ACS Nano Country: United States |
Other Details:
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Languages: eng Pagination: 3248-53 Citation Subset: IM |
Affiliation:
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Department of Physics, University of Hull, Cottingham Road, Hull, HU6 7RX, UK. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Crystallization
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methods* Equipment Design Equipment Failure Analysis Liquid Crystals / chemistry* Macromolecular Substances / chemistry Materials Testing Molecular Conformation Nanostructures / chemistry*, ultrastructure* Nanotechnology / instrumentation* Particle Size Photography / methods* Semiconductors* Surface Properties |
| Chemical | |
Reg. No./Substance:
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0/Macromolecular Substances |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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