Journal
THIN SOLID FILMS
Volume 518, Issue 20, Pages 5731-5736Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2010.05.066
Keywords
Colloidal crystal; Face centered cubic; Photonic crystal; Slide coating; Rapid fabrication; Large area; Continuous feeding
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Funding
- Korean Government (MEST) [NRF-2009-C1AAA001-0093058]
- National Research Foundation of Korea [2009-0093049] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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A simple, yet rapid fabrication method for large area colloidal crystal film is demonstrated. Aqueous colloidal dispersion sandwiched between a hydrophobic top cell and a hydrophilic bottom substrate formed a flat meniscus at the drying front, from which high quality colloidal crystal films were obtained within 20 min due to the strong capillary force exerted by accelerated water evaporation aided by hot air blowing. Continuous supply of the suspension enabled the fabrication of the colloidal crystal over large area (>4 cm(2)) without significant loss of colloids. (C) 2010 Elsevier B.V. All rights reserved.
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