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 Richard
G. Weiss
Professor
Department of Chemistry
Georgetown
University
37th
and O Streets NW
Washington,
DC 20057-1227
Office:
306 Reiss
Science
Phone:
202-687-6013
Fax: 202-687-6209
E-mail:
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Education /
Background |
Sc.B. 1965, Brown University
M.S.
1967, University of Connecticut
Ph.D.
1969, University of Connecticut
NIH Postdoctoral
Fellow, California Institute of Technology, 1969-1971; Visiting
Professor: University of São Paulo, Brazil (1972-1976); Max-Planck-Institut
für Strahlenchemie, Muhlheim/Ruhr, Germany (1981); Université Louis
Pasteur, Strasbourg, France (1982); Université de Bordeaux I, Talence,
France (1982); Indian Institute of Science, Bangalore, India (1989-1990, 1998);
Institute of Photographic Chemistry, Chinese Academy of Sciences (1997-1998).
U.S. National Academy of Science Overseas Fellow
(1971-1974), Fellow of the Indo-U.S. Subcommission
on Education and Culture (1989-1990), Fulbright
Research Fellow (1998), Foreign Member of the Brazilian
Academy of Sciences, CareerResearch Award, Georgetown
University (2002)
Senior Editor for Langmuir; Member of the Advisory
Editorial Board of theJournal of the Brazilian
Chemical Society.
[cv] |
| Teaching |
Organic Chemistry I & II, Organic
Chemistry Lab I & II, Solution Kinetics, Special
Topics in Organic Chemistry (Photochemistry and Free
Radicals)
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| Research Interests |
Materials and physical organic chemistry
and organic photochemistry and photophysics; syntheses
and properties of thermally and chemically reversible
gels; study of reaction rates and mechanisms; anisotropic
solvent effects on reaction mechanisms; ionic liquid
crystals as mechanistic probes and 'green solvents';
molecular processes in polymers.
We continue to develop experimental techniques which
employ anisotropic solvents (specifically gels, liquid
crystals, solids, and polymers) as reaction media and
which allow previously inaccessible details of thermal
and photochemical reaction mechanisms to be elucidated.
The techniques are being applied to unimolecular, bimolecular,
and polymer reactions, as well as to explore the microscopic
ordering of anisotropic media. Reactions of the media
themselves are being used to develop molecular switches
and devices and to characterize novel phases of ordered
molecules. Some of the media, such as isothermally
rheoreversible gels, are being exploited for other
applications, including art conservation. In
addition, we are developing probes based on photochemical
reactions that generate chemically identical but spatially
different chiral and prochiral singlet radical pairs
to explore the rates of tumbling and translational
diffusion of species within ‘cages’ afforded
by isotropic liquids and anisotropic media. |
| Recent
Publications |
Molecular
Gels. Materials with
Self-Assembled Fibrillar
Networks; Weiss, R.
G., Terech,
P., Eds.; Springer:
Dordrecht, 2005.
“Kinetics
and Structure During
5α-Cholestan-3β-yl
N-(2-naphthyl)carbamate/n-Alkane
Organogel
Formation”Huang,
X.; Terech, P.; Raghavan,
S. R.; Weiss, R.
G. J. Am. Chem. Soc.
2005,
127,
4336-4344.
“Soft
Matter and Art Conservation.
Rheoreversible Gels
and Beyond”
Carretti,
E.; Dei, L.; Weiss,
R. G. Soft Matter
2005,
1, 17-22.
“Analyses
of In-cage Singlet Radical-pair
Motions from Irradiations
of 1-Naphthyl (R)-1-Phenylethyl
Ether and 1-Naphthyl
(R)-2-Phenylpropanoate
in n-Alkanes”
Xu,
J.; Weiss, R. G.
J. Org. Chem. 2005,
70, 1243-1252.
“Urea
and Thiourea Derivatives
as Low Molecular-Mass
Organogelators”
George,
M.; Tan, G.; John,
V. T.; Weiss, R.
G.
Chem. Euro. J.
2005,
11, 3243-3254.
[complete
list]
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page last updated:
April 19, 2006 |
