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The following people have participated in the project sponsored
by NSF grant number
DMR-0210517, NIRT: Tailored Fluorinated Surfactants for the Design
of Ordered Nanoporous Ceramics
Faculty
Principal Investigator
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Prof. Stephen E. Rankin
Chemical and Materials Engineering Department
University of Kentucky, Lexington, KY
Expertise applied to this project: materials synthesis and
characterization, silane chemistry, NMR and FTIR spectroscopy,
interfacial engineering and molecular simulations.
Co-Principal Investigators
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Prof. Barbara L. Knutson
Chemical and Materials Engineering Department
University of Kentucky, Lexington, KY
Expertise applied to this project: applications of supercritical fluid
technology, including materials processing, and the phase behavior and
self assembly in CO2
and CO2-philic systems
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Hans-Joachim Lehmler, Ph.D.
Department of Occupational and Environmental Health
University of Iowa, Iowa City, IA
Expertise applied to this project: synthesis of fluorinated
surfactants and their phase characterization
Senior Personnel
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Prof. Elizabeth C. Dickey
Materials Science and Engineering Department
Pennsylvania State University, State College, PA
Provided expertise and graduate training in x-ray diffraction and
TEM of ceramic materials.
Postdoctoral Associates who have contributed to this project (HJL group)
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Dr. Dhananjaya Nauduri
Synthesis and characterization of a series of
nonionic fluorinated surfactants.
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Dr. Xueshu Li
Synthesis of series of hydrocarbon and fluorocarbon
surfactants for synthesis of ordered porous materials.
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Dr. Nadim S. Shaikh
Synthesis of nonionic surfactants from perfluorinated
carboxylic acids and polyclycol ethers.
Dr. Sanjay Telu
Synthesis of hydrocarbon and fluorocarbon dyes to probe
functionalized mesoporous materials.
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Dr. Sandhya M. Vyas
Synthesis and characterization of a series of
fluorinated surfactants and partially fluorinated cationic
surfactants.
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Dr. Wei Xie
Fluorescence anisotropy methodology to study phase behavior
of fluorinated surfactants.
Graduate Students
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Jyothi Ambati (SER group)
Studying silane polymerization reactions in situ by NMR and
materials synthesis with commercially available fluorinated surfactants.
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Mohammed S. Rahman (SER group)
Studying the predictive synthesis of ordered mesoporous materials using mixed
surfactants, and molecular imprinting at the surface of inorganic materials.
Undergraduate Students
April Anderson (SER group)
Studying the formation of organic-inorganic hybrid materials by nanocasting and coating,
and the use of mesoporous ceramic films as templated for metal nanowire arrays.
Alumni
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Philip R. Elswick, M.S. Chemical Engineering, University of Kentucky, 2004.
Studied molecular imprinting of mesoporous and microporous silica with saccharides and selective
adsorption using these materials.
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Kaustav Ghosh, Ph.D. Chemical Engineering, University of Kentucky, 2007.
Investigated the phase behavior of fluorinated surfactants in supercritical
carbon dioxide and the processing of fluorinated surfactant-templated films
and powders using high-pressure carbon dioxide. Developed fluorescence
probe methods for studying micellar and surfactant behavior in templated films.
Currently working at Whirlpool, Inc.
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Yeh Wei Kho, Ph.D. Chemical Engineering, University of Kentucky, 2003.
Developed phase equilibrium characterization techniques for fluorinated
solvent/CO2 systems and applied them to the self assembly
of fluorinated surfactants in the presence of CO2.
Studied CO2-activation of self assembly in fluorinated
solvents. Deceased.
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Venkat R. Koganti, Ph.D. Chemical Engineering, University of Kentucky, 2006.
Developed methodology at the University of Kentucky for the synthesis of surfactant-templated
thin films by dip coating. Studied surface modification of substrates as a method to control the
orientation of the pores in films with hexagonal close packed mesopores, and the kinetics of
curing of the films. Currently working at Pfizer Global R&D.
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Wei Li
Developed molecular simulation tools to directly and accurately model
self-assembly of fluorinated surfactants. Currently working as a computer programmer in
Lexington, KY.
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Gifty Osei-Prempeh, Ph.D. Chemical Engineering, University of Kentucky, 2007.
Investigated the synthesis and adsorption characteristics of organic-functionalized mesoporous ceramics
prepared using fluorinated and hydrocarbon surfactants as the pore templating agents. Functional groups
studied include vinyl, hydrocarbon, fluorocarbon, and amine groups. Demonstrated use of
fluorocarbon-functional materials for fluorous separations, and amine-functional materials for carbon dioxide
adsorption. Currently working as an instructor in the Chemical Engineering Department at the University of
Kentucky Paducah campus.
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Bing Tan, Ph.D. Chemical Engineering, University of Kentucky, 2005.
Studied the synthesis of a large number of porous particles and gels using fluorocarbon and hydrocarbon
surfactant templating. Pioneered the use of cationic fluorinated surfactants for ceramic templating.
Investigated the kinetics of reaction of a series of organo-alkoxysilanes, and the properties of templated
and non-templated materials prepared using those precursors. Currently working as a Postdoctoral
Scholar in the Department of Chemical and Biomolecular Engineering at Ohio State University.
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Kimberly P. Hindman, B.S. Chemical Engineering, University of Kentucky 2004.
Studied the adsorption of fluorinated surfactants at the ceramic-water
interface and self-assembly behavior of fluorinated surfactants by
polarization contrast microscopy. NSF REU student 2003.
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Joshua A. Sheffel, B.S. Chemical Engineering, University of Kentucky 2003.
Studied adsorption of hydrocarbon and fluorocarbon surfactants
at silica-water interface. Currently an NSF graduate fellow in the
University of Minnesota Chemical Engineering Ph.D. program.
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Troy Thompson, B.S. Chemical Engineering, University of Kentucky 2004.
Examined the phase equilibria and self-assembly of fluorinated
surfactant/water/alcohol/fluorinated solvent systems, formation
of fluorinated reverse microemulsions, and nanoparticle synthesis.
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Erica Hunt, MSTC program researcher, 2005-2006.
As part of the Paul Laurence Dunbar High School Math, Science and Technology Center
program, performed senior research project on the formation of mesoporous silica and its
use for controlled release of dyes.
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