alexa Conjugated-carbon Nano-structures: Benzenoids, Fullerenes, Polymers, Nano-tubes, Graphene, Etc
ISSN: 2157-7439

Journal of Nanomedicine & Nanotechnology
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4th International Conference on Nanotek & Expo
December 01-03, 2014 DoubleTree by Hilton Hotel San Francisco Airport, USA

Douglas J Klein
Accepted Abstracts: J Nanomed Nanotechnol
DOI: 10.4172/2157-7439.S1.019
Abstract
Conjugated carbon structures have long been known, including benzenoid molecules, graphite, charcoal, & coal, many of industrial importance: as solvents, as dyes, as drugs, as feedstock for plastics, as an energy source (like coal), & more. Such species are central in photosynthesis, respiration, & vision?and some other bioactivities. But in the last ~3 decades there have been revelatory developments for novel new conjugated-carbon nano-structures: polyacetylene, buckminsterfullerene, carbon nano-tubes, & single-layer graphene, etc ? resulting in 3 Nobel prizes. For these new conjugated-carbon species, there are multifarious speculations as to nano-scale uses: for conjugated-carbon polymers as flexible organic metals; for fullerenes as nano-capsules; for carbon nano-tubes in electronic nano-circuits, in nano-elevators to space, & in chemical nano-sensors; for graphene sheets in electronic or ?spintronic? nano-devices, or perhaps in a radical ?quantum computer?. Finally there are societal problems with conjugated carbons: several being carcinogenic, some being a major contributor to soot, and coal burning being one of the dirtier forms of energy production, delivering an especially high dose of the greenhouse gas CO2 per unit of energy generated. All this invites associated theoretical development for these novel species. Here we address some general ideas: as to fullerene stability, nano-tube conductivities, and properties of decorated graphene species.
Biography
Douglas J Klein obtained Master?s & Doctoral degrees at University of Texas (at Austin) in Physical Chemistry in 1967 & Chemical Physics in 1969. He was Asst. Prof. of physics at UT 1971-1977, and on the faculty since 1979 at Texas A&M University at Galveston, with visits (of 3 to 21 months) at Office of Naval Research and different Universities: Princeton, K?ln, Rice, & Oxford. He has published over 300 research papers in chemistry, physics, & math (as well as two co-edited books). His work has been on: group-theory applications, semi-empiricism for donor-acceptor crystals, permutational isomerism, many-body theory, polymer statistics, resonating valence-bond theory, chemical graph theory, carborazenes, and especially general characterizations of conjugated-carbon nano-structures.
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