| Many challenging problems in the modern science and technology are related to preparation, properties, and utilization of novel functional materials. The polymer chemistry and the chemical microelectronics programs represent parts of the multidisciplinary effort in this field. The many-pronged approach includes: synthesis and molecular characterization of well-defined block and graft copolymers; preparation of new engineering thermoplastics and liquid crystalline materials; synthesis, modification and processing of polymers in super-critical carbon dioxide; chemical design of hybrid polymers for catalysis and photoredox activity, polymers for microelectronics applications including 193 nm and 157 NM photoresists and low-k dielectrics, and defined microstructures. | Chemical microelectronics is focused on preparation of organic and inorganic electronic materials; microscopic patterning of thin films using novel techniques (plasma, ion beam, laser beam, etc.); kinetics of etching and film formation; characterization of mechanical, electronic, and optical properties; spatially resolved chemical analysis of surfaces, interfaces, and thin films and microstructures. A broad variety of expertise includes visualization and probing of submicrometer surface structures by scanning probe microscopy, characterization of polymer dynamics by NMR techniques and light scattering, measurement of molecular conductivity, and analytical as well as computational and numerical methods in polymers. |
| RESEARCH PROJECT | GROUP |
| Surfactant Design for Carbon Dioxide-based Applications | |
| Synthesis of Hydrophilic/Fluorocarbon Block Copolymers | |
| Preparation of Ultra-thin Dielectric Films for Microelectronics Applications | |
| Theory and computer simulations of polymeric surfactants | |
| Chemical modifications of single-walled carbon nanotubes for composites | |
| Characterization and quantification of intermolecular forces in liquid crystals | |
| Molecular brushes as components for nanomechanic devices | |
| Novel materials and device configuration for organic/inorganic hybrid solar cells | |
| Fabricating spin valve through self assembly of organic molecules and nanoparticles |
(1) "Visualization of Macromolecules-A First Step to Manipulation and Controlled Response"; Sheiko; S. S.; Moller, M.; Chem. Rev.; 2001; 101(12); 4099-4124.
(2) "Single Molecule Rod-Globule Phase Transition for Brush Molecules at a Flat Interface"; Sheiko, S. S.; Prokhorova, S. A.; Beers, K. L.; Matyjaszewski, K.; Potemkin, I. I.; Khokhlov, A. R.; Moller, M.; Macromolecules;2001; 34(23); 8354-8360.
(3) "Javelin-, Hockey Stick-, and Boomerang-Shaped Liquid Crystals. Structural Variations on p-Quinquephenyl Dingemans"; T. J.; Murthy, N. S.; Samulski, E. T.; J. Phys. Chem. B. ; (Article); 2001; 105(37); 8845-8860.
(4) "Do Bridging Water Molecules Dictate the Structure of a Model Dipeptide in Aqueous Solution?"; Poon, C.-D.; Samulski, E. T.; Weise, C. F.; Weisshaar, J. C.; J. Am. Chem. Soc.; 2000; 122(23); 5642-5643.
(5) "Adsorption of Polyelectrolytes at an Oppositely Charged Surface"; Dobrynin, A.V.; Deshkovski A.; Rubinstein, M.; Phys. Rev. Lett.; 2000; 84; 3101.
(6) "Polyampholyte solutions between charged surfaces: Debye–Huckel theory"; Dobrynin, A.V.; Rubinstein, M.; Joanny, J-F.; J. Chem. Phys.; 1998; 109; 9172.
(7) "Electroluminescence in silicon oxynitride films”, K.J. Price, L.R. Sharpe, L.E. McNeil and E.A. Irene, J. Appl. Phys.; 1999; 86; 2638.
(8) "Si/SiO2 Interface Roughness Study Using Fowler-Nordheim Tunneling Current Oscillations"; Lai, L.; Irene, E. A.; J. Appl. Phys.; 2000; 87; 1159
(9) "Polymer Self-Assembly in Carbon Dioxide", Taylor, D. K.; Keiper, J. S.; DeSimone, J. M.; Ind. and Eng. Chem. Res., 2002 41; 4451-4459.
(10) "Developments in Carbon Dioxide Research”; Behles, J. A.; DeSimone, J. M. Pure Appl. Chem.; 2001; 73 (8); 1281-1285.
(11) "Design of Nonionic Surfactants for Supercritical Carbon Dioxide"; J. B. McClain, D. E. Betts, D. A. Canelas, E. T. Samulski, J. M. DeSimone, J. D. Londono, H. D. Cochran, G. D. Wignall, D. Chillura-Martino, and R. Triolo; Science;1996; 274; 2049-2052.
(12) "Synthesis of High Molecular Weight Polycarbonate by Solid-State Polymerization"; Gross, S. M.; Roberts, G. W.; Kiserow, D. J.; DeSimone, J. M.; Macromolecules; 2001; 34(12); 3916-3920.
Department of Chemistry
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Last Updated:
July 24, 2007
© 2007 University of North Carolina at Chapel Hill Content Manager: chemcontent@unc.edu |