Oriented Mesoporous Organosilicate Thin Films
Coassemblies of block copolymers and inorganic precursors offer a path to ordered inorganic nanostructures. In thin films, these materials combined with domain alignment provide highly robust nanoscopic templates. We report a simple path to control the morphology, scaling, and orientation of ordered...
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| Veröffentlicht in: | Nano letters 2005-10, Vol.5 (10), p.2014-2018 |
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| container_end_page | 2018 |
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| container_issue | 10 |
| container_start_page | 2014 |
| container_title | Nano letters |
| container_volume | 5 |
| creator | Freer, Erik M Krupp, Leslie E Hinsberg, William D Rice, Philip M Hedrick, James L Cha, Jennifer N Miller, Robert D Kim, Ho-Cheol |
| description | Coassemblies of block copolymers and inorganic precursors offer a path to ordered inorganic nanostructures. In thin films, these materials combined with domain alignment provide highly robust nanoscopic templates. We report a simple path to control the morphology, scaling, and orientation of ordered mesopores in organosilicate thin films through the coassembly of a diblock copolymer, poly(styrene-b-ethylene oxide) (PS-b-PEO), and an oligomeric organosilicate precursor that is selectively miscible with PEO. Continuous films containing cylindrical or spherical pores are generated by varying the mixing composition of symmetric PS-b-PEO and an organosilicate precursor. Tuning interfacial energy at both air/film and film/substrate interfaces allows the control of cylindrical pore orientation normal to the supported film surfaces. Our method provides well-ordered mesoporous structures within organosilicate thin films that find broad applications as highly stable nanotemplates. |
| doi_str_mv | 10.1021/nl051517h |
| format | Article |
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In thin films, these materials combined with domain alignment provide highly robust nanoscopic templates. We report a simple path to control the morphology, scaling, and orientation of ordered mesopores in organosilicate thin films through the coassembly of a diblock copolymer, poly(styrene-b-ethylene oxide) (PS-b-PEO), and an oligomeric organosilicate precursor that is selectively miscible with PEO. Continuous films containing cylindrical or spherical pores are generated by varying the mixing composition of symmetric PS-b-PEO and an organosilicate precursor. Tuning interfacial energy at both air/film and film/substrate interfaces allows the control of cylindrical pore orientation normal to the supported film surfaces. 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In thin films, these materials combined with domain alignment provide highly robust nanoscopic templates. We report a simple path to control the morphology, scaling, and orientation of ordered mesopores in organosilicate thin films through the coassembly of a diblock copolymer, poly(styrene-b-ethylene oxide) (PS-b-PEO), and an oligomeric organosilicate precursor that is selectively miscible with PEO. Continuous films containing cylindrical or spherical pores are generated by varying the mixing composition of symmetric PS-b-PEO and an organosilicate precursor. Tuning interfacial energy at both air/film and film/substrate interfaces allows the control of cylindrical pore orientation normal to the supported film surfaces. Our method provides well-ordered mesoporous structures within organosilicate thin films that find broad applications as highly stable nanotemplates.</description><subject>Applied sciences</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Microelectronic fabrication (materials and surfaces technology)</subject><subject>Nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals</subject><subject>Physics</subject><subject>Semiconductor electronics. Microelectronics. Optoelectronics. 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Solid state devices</topic><topic>Structure of solids and liquids; crystallography</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Freer, Erik M</creatorcontrib><creatorcontrib>Krupp, Leslie E</creatorcontrib><creatorcontrib>Hinsberg, William D</creatorcontrib><creatorcontrib>Rice, Philip M</creatorcontrib><creatorcontrib>Hedrick, James L</creatorcontrib><creatorcontrib>Cha, Jennifer N</creatorcontrib><creatorcontrib>Miller, Robert D</creatorcontrib><creatorcontrib>Kim, Ho-Cheol</creatorcontrib><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Nano letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Freer, Erik M</au><au>Krupp, Leslie E</au><au>Hinsberg, William D</au><au>Rice, Philip M</au><au>Hedrick, James L</au><au>Cha, Jennifer N</au><au>Miller, Robert D</au><au>Kim, Ho-Cheol</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Oriented Mesoporous Organosilicate Thin Films</atitle><jtitle>Nano letters</jtitle><addtitle>Nano Lett</addtitle><date>2005-10-01</date><risdate>2005</risdate><volume>5</volume><issue>10</issue><spage>2014</spage><epage>2018</epage><pages>2014-2018</pages><issn>1530-6984</issn><eissn>1530-6992</eissn><abstract>Coassemblies of block copolymers and inorganic precursors offer a path to ordered inorganic nanostructures. 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| source | ACS Publications |
| subjects | Applied sciences Condensed matter: structure, mechanical and thermal properties Electronics Exact sciences and technology Microelectronic fabrication (materials and surfaces technology) Nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals Physics Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Structure of solids and liquids crystallography |
| title | Oriented Mesoporous Organosilicate Thin Films |
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