个人简介

B.S., 1978, San Jose State University Ph.D., 1982, University of Wisconsin-Madison Postdoctoral, Associate, Indiana University, 1983-85

研究领域

Inorganic and Organometallic Chemistry

Inorganic chemistry: catalysis, methathesis, polymers, stereospecific reactions, hydrogen bonding, liquid crystals, inorganic/organic hybrid materials and Science Education: effects of inquiry in science laboratory instruction, effect of research effectiveness of K-12 science instruction, attrition at the University/Community College transition. Professor Heppert's research group concentrates on both the catalytic chemistry and potential materials application of complexes of group 4, 5 and 6 metals. Problems currently under investigation include catalytic asymmetric methodology, hydrocarbon and hydrogel polymer synthesis, a search for new transition metal derived materials and fuels chemistry.Students acquire a range of research skills from modern synthetic methods to techniques for the characterization and handling of novel materials. Stable Ruthenium Carbides. Transition metal carbides are important intermediates in the production of synthetic hydrocarbons through the Fischer-Tropsch process. Fischer-Tropsch synthesis employs group 8 metal catalysts at high temperature to dissociate carbon monoxide, forming surface-bound carbide (C) units. The catalyst then promotes the hydrogenation of these units, resulting in the “polymerization” methylene units into high purity hydrocarbons. Homogeneous models of most of the intermediates in this process have been known for some time, and the chemical behavior of these intermediates has been studied.

近期论文

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Carlson, R.G.; Gile, M.A.; Heppert, J.A.; Mason, M.H.; Powell, D.R.; Vander Velde, D.; Vilain, J.M.“The Metathesis Facilitated Synthesis of Terminal Ruthenium Carbide Complexes: A Unique Carbon Atom Transfer Reaction.”J. Am. Chem. Soc., 2002,In Press.