Optoelectrofluidic Control of Colloidal Assembly in an Optically Induced Electric Field
This letter reports a method for controlling the organization of colloidal particles using optoelectrofluidic mechanisms. This optoelectrofluidic colloidal assembly (OCA) can be an efficient and simple way of preparing 2D colloidal crystals. Here, we present the first investigation of 2D colloidal a...
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| Veröffentlicht in: | Langmuir 2009-06, Vol.25 (11), p.6010-6014 |
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| creator | Hwang, Hyundoo Park, Youn-Hee Park, Je-Kyun |
| description | This letter reports a method for controlling the organization of colloidal particles using optoelectrofluidic mechanisms. This optoelectrofluidic colloidal assembly (OCA) can be an efficient and simple way of preparing 2D colloidal crystals. Here, we present the first investigation of 2D colloidal assembly due to the electrohydrodynamic flows in an optoelectrofluidic device. The normalized distance among the assembled particles and the assembly rate according to the applied ac signal were analyzed. This OCA allows the control of both the colloidal crystal pattern over a large area and the distance between the assembled particles by adjusting the projected light pattern and the applied ac signal. |
| doi_str_mv | 10.1021/la9005604 |
| format | Article |
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This optoelectrofluidic colloidal assembly (OCA) can be an efficient and simple way of preparing 2D colloidal crystals. Here, we present the first investigation of 2D colloidal assembly due to the electrohydrodynamic flows in an optoelectrofluidic device. The normalized distance among the assembled particles and the assembly rate according to the applied ac signal were analyzed. This OCA allows the control of both the colloidal crystal pattern over a large area and the distance between the assembled particles by adjusting the projected light pattern and the applied ac signal.</description><identifier>ISSN: 0743-7463</identifier><identifier>EISSN: 1520-5827</identifier><identifier>DOI: 10.1021/la9005604</identifier><identifier>PMID: 19466768</identifier><identifier>CODEN: LANGD5</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Chemistry ; Colloidal state and disperse state ; Colloids - chemistry ; Electrochemistry ; Exact sciences and technology ; General and physical chemistry ; Microfluidics - instrumentation ; Optical Devices ; Physical and chemical studies. Granulometry. 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This optoelectrofluidic colloidal assembly (OCA) can be an efficient and simple way of preparing 2D colloidal crystals. Here, we present the first investigation of 2D colloidal assembly due to the electrohydrodynamic flows in an optoelectrofluidic device. The normalized distance among the assembled particles and the assembly rate according to the applied ac signal were analyzed. This OCA allows the control of both the colloidal crystal pattern over a large area and the distance between the assembled particles by adjusting the projected light pattern and the applied ac signal.</description><subject>Chemistry</subject><subject>Colloidal state and disperse state</subject><subject>Colloids - chemistry</subject><subject>Electrochemistry</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Microfluidics - instrumentation</subject><subject>Optical Devices</subject><subject>Physical and chemical studies. Granulometry. 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Electrokinetic phenomena</topic><topic>Surface physical chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hwang, Hyundoo</creatorcontrib><creatorcontrib>Park, Youn-Hee</creatorcontrib><creatorcontrib>Park, Je-Kyun</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Langmuir</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hwang, Hyundoo</au><au>Park, Youn-Hee</au><au>Park, Je-Kyun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Optoelectrofluidic Control of Colloidal Assembly in an Optically Induced Electric Field</atitle><jtitle>Langmuir</jtitle><addtitle>Langmuir</addtitle><date>2009-06-02</date><risdate>2009</risdate><volume>25</volume><issue>11</issue><spage>6010</spage><epage>6014</epage><pages>6010-6014</pages><issn>0743-7463</issn><eissn>1520-5827</eissn><coden>LANGD5</coden><abstract>This letter reports a method for controlling the organization of colloidal particles using optoelectrofluidic mechanisms. 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| ispartof | Langmuir, 2009-06, Vol.25 (11), p.6010-6014 |
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| language | eng |
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| source | MEDLINE; ACS Publications |
| subjects | Chemistry Colloidal state and disperse state Colloids - chemistry Electrochemistry Exact sciences and technology General and physical chemistry Microfluidics - instrumentation Optical Devices Physical and chemical studies. Granulometry. Electrokinetic phenomena Surface physical chemistry |
| title | Optoelectrofluidic Control of Colloidal Assembly in an Optically Induced Electric Field |
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