Wide Contact Structures for Low-Noise Nanochannel Devices Based on a Carbon Nanotube Network
We have developed a wide contact structure for low-noise nanochannel devices based on a carbon nanotube (CNT) network. This low-noise CNT network-based device has a dumbbell-shaped channel, which has wide CNT/electrode contact regions and, in effect, reduces the contact noise. We also performed a sy...
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| Veröffentlicht in: | ACS nano 2010-12, Vol.4 (12), p.7612-7618 |
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| container_title | ACS nano |
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| creator | Lee, Hyungwoo Lee, Minbaek Namgung, Seon Hong, Seunghun |
| description | We have developed a wide contact structure for low-noise nanochannel devices based on a carbon nanotube (CNT) network. This low-noise CNT network-based device has a dumbbell-shaped channel, which has wide CNT/electrode contact regions and, in effect, reduces the contact noise. We also performed a systematic analysis of structured CNT networks and established an empirical formula that can explain the noise behavior of arbitrary-shaped CNT network-based devices including the effect of contact regions and CNT alignment. Interestingly, our analysis revealed that the noise amplitude of aligned CNT networks behaves quite differently compared with that of randomly oriented CNT networks. Our results should be an important guideline in designing low-noise nanoscale devices based on a CNT network for various applications such as a highly sensitive low-noise sensor. |
| doi_str_mv | 10.1021/nn102296e |
| format | Article |
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This low-noise CNT network-based device has a dumbbell-shaped channel, which has wide CNT/electrode contact regions and, in effect, reduces the contact noise. We also performed a systematic analysis of structured CNT networks and established an empirical formula that can explain the noise behavior of arbitrary-shaped CNT network-based devices including the effect of contact regions and CNT alignment. Interestingly, our analysis revealed that the noise amplitude of aligned CNT networks behaves quite differently compared with that of randomly oriented CNT networks. 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Our results should be an important guideline in designing low-noise nanoscale devices based on a CNT network for various applications such as a highly sensitive low-noise sensor.</description><subject>Electric Conductivity</subject><subject>Electrodes</subject><subject>Nanotechnology - instrumentation</subject><subject>Nanotubes, Carbon - chemistry</subject><issn>1936-0851</issn><issn>1936-086X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>N~.</sourceid><sourceid>EIF</sourceid><recordid>eNptkM1LAzEQxYMotlYP_gOSiwcPq5P9yG4vgq6fUOpBRQ_CMptk7dY2Kclui_-9KdVFwdM8mN97wzxCDhmcMgjZmdZ-hEOutkifDSMeQMZftzudsB7Zc24KkKRZyndJL2SQADDeJ28vtVQ0N7pB0dDHxraiaa1ytDKWjswqGJvaKTpGbcQEtVYzeqWWtfDEJTolqdEUaY629GJNNW3pcdWsjP3YJzsVzpw6-J4D8nxz_ZTfBaOH2_v8YhRgnEITSAilSJIkrNIqQ5YOOWeZZFUk4lLKNJIIsoyFClGgwowrAB7HPALpnQmG0YCcb3IXbTlXUijdWJwVC1vP0X4WBuvi70bXk-LdLIsIGGRp5ANONgHCGuesqjovg2JdcdFV7Nmj38c68qdTDxxvABSumJrWav_7P0Ffh3CElQ</recordid><startdate>20101228</startdate><enddate>20101228</enddate><creator>Lee, Hyungwoo</creator><creator>Lee, Minbaek</creator><creator>Namgung, Seon</creator><creator>Hong, Seunghun</creator><general>American Chemical Society</general><scope>N~.</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>5PM</scope></search><sort><creationdate>20101228</creationdate><title>Wide Contact Structures for Low-Noise Nanochannel Devices Based on a Carbon Nanotube Network</title><author>Lee, Hyungwoo ; Lee, Minbaek ; Namgung, Seon ; Hong, Seunghun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a470t-d02dc5552f7f8a1796618d1f3c4bdd73da0db4ce2acaea86e00644630dd025a23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Electric Conductivity</topic><topic>Electrodes</topic><topic>Nanotechnology - instrumentation</topic><topic>Nanotubes, Carbon - chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lee, Hyungwoo</creatorcontrib><creatorcontrib>Lee, Minbaek</creatorcontrib><creatorcontrib>Namgung, Seon</creatorcontrib><creatorcontrib>Hong, Seunghun</creatorcontrib><collection>American Chemical Society (ACS) Open Access</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>ACS nano</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lee, Hyungwoo</au><au>Lee, Minbaek</au><au>Namgung, Seon</au><au>Hong, Seunghun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Wide Contact Structures for Low-Noise Nanochannel Devices Based on a Carbon Nanotube Network</atitle><jtitle>ACS nano</jtitle><addtitle>ACS Nano</addtitle><date>2010-12-28</date><risdate>2010</risdate><volume>4</volume><issue>12</issue><spage>7612</spage><epage>7618</epage><pages>7612-7618</pages><issn>1936-0851</issn><eissn>1936-086X</eissn><abstract>We have developed a wide contact structure for low-noise nanochannel devices based on a carbon nanotube (CNT) network. 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| language | eng |
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| source | MEDLINE; ACS Publications |
| subjects | Electric Conductivity Electrodes Nanotechnology - instrumentation Nanotubes, Carbon - chemistry |
| title | Wide Contact Structures for Low-Noise Nanochannel Devices Based on a Carbon Nanotube Network |
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