A5023815972- Inorganic Fluorides and Related Compounds
- Silicone and Siloxane Chemistry
- Fluorine in Organic Chemistry
- Thin-Film Transistor Technologies
- Synthesis and characterization of novel inorganic/organometallic compounds
- Silicon and Solar Cell Technologies
- Mesoporous Materials and Catalysis
- Organometallic Compounds Synthesis and Characterization
- Force Microscopy Techniques and Applications
- Silicon Nanostructures and Photoluminescence
- Glass properties and applications
- Nanofabrication and Lithography Techniques
- Chemical Synthesis and Reactions
- Aerogels and thermal insulation
- Enzyme Structure and Function
- Organometallic Complex Synthesis and Catalysis
- Catalysis and Oxidation Reactions
- Advanced Surface Polishing Techniques
- Porphyrin and Phthalocyanine Chemistry
- Various Chemistry Research Topics
- Engineering and Material Science Research
- Radiation Effects in Electronics
- Molecular Junctions and Nanostructures
- Analytical Chemistry and Chromatography
- Fiber-reinforced polymer composites
Wilmington University
1995-2011
DuPont (United States)
1994-2011
Stanford Synchrotron Radiation Lightsource
2002-2008
Rice University
1969-2006
Cornell University
2004
Experimental Station
2002-2004
Lawrence Berkeley National Laboratory
2002
Corning (United States)
1980-1989
United States Department of Commerce
1980-1981
University of Southern California
1977
Microcontact printing (microCP) is an effective way to generate micrometer- or submicrometer-sized patterns on a variety of substrates. However, the fidelity final pattern depends critically coupled phenomena stamp deformation, fluid transfer between surfaces, and ability ink self-assemble substrate. In particular, deformation can produce undesirable effects that limit practice precision microCP. Experimental observations comparison with theoretical predictions are presented here for three...
Complete automation of the macromolecular crystallography experiment has been achieved at SSRL through combination robust mechanized experimental hardware and a flexible control system with an intuitive user interface. These highly reliable systems have enabled experiments to be carried out from researchers' home institutions other remote locations while retaining complete over even most challenging systems. A breakthrough component system, Stanford Auto-Mounter (SAM), efficient mounting...
New software tools are introduced to facilitate diffraction experiments involving large numbers of crystals. While existing programs have long provided a framework for lattice indexing, Bragg spot integration, and symmetry determination, these initial data processing steps often require significant manual effort. This limits the timely availability analysis needed high-throughput procedures, including selection best crystals from sample pool, calculation optimal collection parameters assure...
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCoupling constants between directly bonded silicon atomsKenneth G. Sharp, Paul A. Sutor, Elizabeth Williams, Joseph D. Cargioli, Thomas C. Farrar, and K. IshibitsuCite this: J. Am. Chem. Soc. 1976, 98, 7, 1977–1979Publication Date (Print):March 1, 1976Publication History Published online1 May 2002Published inissue 1 March 1976https://pubs.acs.org/doi/10.1021/ja00423a062https://doi.org/10.1021/ja00423a062research-articleACS PublicationsRequest reuse...
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSilicon-fluorine chemistry. IX. Reactions of silicon difluoride and tetrafluoride with water some reactions tetrafluorodisiloxaneJohn L. Margrave, Kenneth G. Sharp, Paul Winston WilsonCite this: J. Am. Chem. Soc. 1970, 92, 6, 1530–1532Publication Date (Print):March 1, 1970Publication History Published online1 May 2002Published inissue 1 March 1970https://pubs.acs.org/doi/10.1021/ja00709a015https://doi.org/10.1021/ja00709a015research-articleACS...
The unique physical and mechanical properties of polymer nanocomposites have been attributed to the interfacial interactions between organic matrix nanoscale particles. We demonstrate potential tune this interaction poly(methyl methacrylate) (PMMA) silica nanoparticles, as a function either nanosilica surface chemistry or reactivity. Functionalized was mechanically deposited on PMMA films, system then heated above glass transition temperature. Rates extents nanoparticle sink-in were...
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSilicon-fluorine chemistry. VII. Reaction of silicon difluoride with hydrogen sulfideKenneth G. Sharp and J. L. MargraveCite this: Inorg. Chem. 1969, 8, 12, 2655–2658Publication Date (Print):December 1, 1969Publication History Published online1 May 2002Published inissue 1 December 1969https://pubs.acs.org/doi/10.1021/ic50082a022https://doi.org/10.1021/ic50082a022research-articleACS PublicationsRequest reuse permissionsArticle...
A family of hybrid organic–inorganic network materials—the star gels and glasses—has been synthesized from highly functional poly(alkoxysilane) molecular precursors. The starting silanes comprise an atomic, linear or cyclic core with multiple flexible arms which terminate in network-forming trialkoxysilane groups. With typically 12 alkoxysilane groups per molecule, gelation rates aqueous formic acid media can be extremely high, but attenuated several orders magnitude by choice solvent...
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTInorganic chemistry of fluorocarbenes. 1. Reactions tetrafluoroethylidene with fluorine-containing phosphinesKenneth G. Sharp and Irving. SchwagerCite this: Inorg. Chem. 1976, 15, 7, 1697–1701Publication Date (Print):July 1, 1976Publication History Published online1 May 2002Published inissue 1 July 1976https://pubs.acs.org/doi/10.1021/ic50161a045https://doi.org/10.1021/ic50161a045research-articleACS PublicationsRequest reuse permissionsArticle...
The introduction of 157 nm as the next optical lithography wavelength has created a need for new soft (polymeric) or hard (quartz) pellicle materials optimized this wavelength. Materials design and development ultra transparent fluoropolymers suitable applications produced number promising candidate with absorbances below 0.03/micrometer is necessary to achieve transmissions above 95%. We have developed 12 families experimental TeflonAF<SUP>R</SUP> (TAFx) which sufficient transparency...
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTMercury-sensitized photodissociation of the silicon-silicon bond. Synthesis methylfluorodisilanes via a disilane "methathesis" reactionKenneth G. Sharp and Paul A. SutorCite this: J. Am. Chem. Soc. 1977, 99, 24, 8046–8048Publication Date (Print):November 1, 1977Publication History Published online1 May 2002Published inissue 1 November 1977https://pubs.acs.org/doi/10.1021/ja00466a045https://doi.org/10.1021/ja00466a045research-articleACS...
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPerfluoro(alkylsilanes). 3. Fluorine-fluorine coupling constants in perfluoro(alkylsilanes) and related moleculesKenneth G. Sharp, Stephen. Li, Rolf B. JohannesenCite this: Inorg. Chem. 1976, 15, 9, 2295–2297Publication Date (Print):September 1, 1976Publication History Published online1 May 2002Published inissue 1 September 1976https://doi.org/10.1021/ic50163a062Request reuse permissions Your access to this publication has been provided by Learn...
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTRedistribution processes in mixed halodisilanes. Reaction of silicon difluoride with hydrogen bromideKenneth G. Sharp and James F. Bald Jr.Cite this: Inorg. Chem. 1975, 14, 10, 2553–2556Publication Date (Print):October 1, 1975Publication History Published online1 May 2002Published inissue 1 October 1975https://pubs.acs.org/doi/10.1021/ic50152a053https://doi.org/10.1021/ic50152a053research-articleACS PublicationsRequest reuse permissionsArticle...
We surveyed more than 150 different materials as candidates for optically tunable (at 248 nm and 193 nm), attenuating embedded phase-shift masks. Multicomponent with four distinct microstructures: (1) composites, (2) cermets, (3) multilayers, (4) copolymers, where one component was clear at the application wavelength other absorbing, provided a systematic approach adjusting needed optical properties: specifically, transmission (pi) -phase-shift. From evaluation of properties mask...