Creating Polymer Structures of Tunable Electric Functionality by Nanoscale Discharge-Assisted Cross-Linking and Oxygenation
We report the creation of polymeric micro/nanostructures which exhibit distinct chemical and physical characteristics from the matrix poly(N-vinyl carbazole) (PVK). The structure formation is based on atomic force microscopy (AFM) facilitated cross-linking and oxygenation. The reaction of PVK with A...
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| Veröffentlicht in: | Journal of the American Chemical Society 2006-03, Vol.128 (8), p.2738-2744 |
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| container_issue | 8 |
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| container_title | Journal of the American Chemical Society |
| container_volume | 128 |
| creator | Xie, Xian Ning Deng, Mu Xu, Hai Yang, Shuo Wang Qi, Dong Chen Gao, Xing Yu Chung, Hong Jing Sow, Chorng Haur Tan, Vincent B. C Wee, Andrew Thye Shen |
| description | We report the creation of polymeric micro/nanostructures which exhibit distinct chemical and physical characteristics from the matrix poly(N-vinyl carbazole) (PVK). The structure formation is based on atomic force microscopy (AFM) facilitated cross-linking and oxygenation. The reaction of PVK with AFM lithographically induced nanoscale discharge produces raised structures in which bridge oxygen links neighboring carbazole groups. The cross-linking by bridge oxygen converts the initially insulating PVK matrix to chemically modified conducting patterns through the formation of extended π-conjugations. A comprehensive AFM, PES (photoelectron spectroscopy), FTIR (Fourier transform infrared spectroscopy), and DFT (density functional theory) analysis is presented to address the chemophysical identity of the patterned structures. Our results demonstrate new capabilities of AFM nanolithography in generating heterogeneous functional structures in a polymer matrix. |
| doi_str_mv | 10.1021/ja0577241 |
| format | Article |
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A comprehensive AFM, PES (photoelectron spectroscopy), FTIR (Fourier transform infrared spectroscopy), and DFT (density functional theory) analysis is presented to address the chemophysical identity of the patterned structures. 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A comprehensive AFM, PES (photoelectron spectroscopy), FTIR (Fourier transform infrared spectroscopy), and DFT (density functional theory) analysis is presented to address the chemophysical identity of the patterned structures. Our results demonstrate new capabilities of AFM nanolithography in generating heterogeneous functional structures in a polymer matrix.</description><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Exact sciences and technology</subject><subject>Physics</subject><subject>Solid surfaces and solid-solid interfaces</subject><subject>Surface structure and topography</subject><subject>Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</subject><issn>0002-7863</issn><issn>1520-5126</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNptkM9LwzAUgIMoOn8c_AckFw8eqnlZm3ZHmU6F4YZOPIbXNJmZXSpJCxb_eVs23MVTCPn48t5HyDmwa2AcblbIkjTlMeyRASScRQlwsU8GjDEepZkYHpHjEFbdNeYZHJIjEPGIM8EH5GfsNdbWLem8Ktu19vS19o2qG68DrQxdNA7zUtP7UqvaW0UnjVO1rRyWtm5p3tJndFVQ2DF3NqgP9Esd3YZgQ60LOvZVCNHUus_-C3QFnX23S-2wV5ySA4Nl0Gfb84S8Te4X48doOnt4Gt9OIxxmaR2NuFAmNcBiZEZgzgAUGyHyBHIwiqPSotAcTIJGq5xnWQYm7oLgiInUFMMTcrXxqn4ar4388naNvpXAZB9Q_gXs2IsN-9Xka13syG2xDrjcAthvbTw6ZcOO6zSdseeiDdeH-P57R_8pRTpME7mYv8psAs988rKQ7zsvqiBXVeO7wuGfAX8BKRyVTA</recordid><startdate>20060301</startdate><enddate>20060301</enddate><creator>Xie, Xian Ning</creator><creator>Deng, Mu</creator><creator>Xu, Hai</creator><creator>Yang, Shuo Wang</creator><creator>Qi, Dong Chen</creator><creator>Gao, Xing Yu</creator><creator>Chung, Hong Jing</creator><creator>Sow, Chorng Haur</creator><creator>Tan, Vincent B. 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Soc</addtitle><date>2006-03-01</date><risdate>2006</risdate><volume>128</volume><issue>8</issue><spage>2738</spage><epage>2744</epage><pages>2738-2744</pages><issn>0002-7863</issn><eissn>1520-5126</eissn><coden>JACSAT</coden><abstract>We report the creation of polymeric micro/nanostructures which exhibit distinct chemical and physical characteristics from the matrix poly(N-vinyl carbazole) (PVK). The structure formation is based on atomic force microscopy (AFM) facilitated cross-linking and oxygenation. The reaction of PVK with AFM lithographically induced nanoscale discharge produces raised structures in which bridge oxygen links neighboring carbazole groups. The cross-linking by bridge oxygen converts the initially insulating PVK matrix to chemically modified conducting patterns through the formation of extended π-conjugations. A comprehensive AFM, PES (photoelectron spectroscopy), FTIR (Fourier transform infrared spectroscopy), and DFT (density functional theory) analysis is presented to address the chemophysical identity of the patterned structures. Our results demonstrate new capabilities of AFM nanolithography in generating heterogeneous functional structures in a polymer matrix.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><pmid>16492062</pmid><doi>10.1021/ja0577241</doi><tpages>7</tpages></addata></record> |
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| subjects | Condensed matter: structure, mechanical and thermal properties Exact sciences and technology Physics Solid surfaces and solid-solid interfaces Surface structure and topography Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties) |
| title | Creating Polymer Structures of Tunable Electric Functionality by Nanoscale Discharge-Assisted Cross-Linking and Oxygenation |
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