| CONDENSED MATTER: STRUCTURE, MECHANICAL AND THERMAL PROPERTIES |
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Self-Assembling of Colloidal Particles Dispersed in Mixture of Ethanol and Water at the Air-Liquid Interface of Colloidal Suspension at Room Temperature |
| WANG Ai-Jun1,2, CHEN Sheng-Li1, DONG Peng1, ZHOU Qian1, YUAN Gui-Mei1, SU Gu-Cong1 |
| 1State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 1022492Department of Mathematics and Physics, China University of Petroleum, Beijing 102249 |
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| Cite this article: |
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WANG Ai-Jun, CHEN Sheng-Li, DONG Peng et al 2009 Chin. Phys. Lett. 26 086104 |
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Abstract Self-assembling of colloidal particles dispersed in a mixture of ethanol and water at the air-liquid interface of the colloidal suspension at room temperature is investigated, and a method of rapidly assembling colloidal particles is proposed. By this method, a uniform colloidal crystal thin film over ten square centimeters in area can be fabricated in 10min without special facilities and heating the suspension. SEM images and a normal incidence transmission spectrum of the sample show that the colloidal crystal film fabricated by this method is of high quality. In addition, this method is very suitable for fabricating colloidal crystal heterostructures.
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| Keywords:
61.46.+w
42.70.Qs
81.15.-z
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Received: 30 December 2008
Published: 30 July 2009
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| PACS: |
61.46.+w
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42.70.Qs
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(Photonic bandgap materials)
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81.15.-z
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(Methods of deposition of films and coatings; film growth and epitaxy)
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