Synthesis and characterizations of pyridinium salts including poly(pyridinium salt)s and their applications
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Biomedical Sciences
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University Of Chester (UoC)
Pyridinium salts, both molecular and polymeric, are an interesting class of
multifunctional materials that exhibit liquid-crystalline and light-emitting properties.
Moreover, their properties can be easily tuned by introducing new types of anions or by
modifying their chemical structures. Thi...
synthesis and characterizations of pyridinium salts including polypyridinium salts and their applications
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UNLV Theses, Dissertations, Professional Papers, and Capstones
12-1-2012
Synthesis and characterizations of pyridinium salts including
poly(pyridinium salt)s and their applications
Tae Soo Jo
University of Nevada, Las Vegas
Follow this and additional works at: https://digitalscholarship.unlv.edu/thesesdissertations
Part of the Nanoscience and Nanotechnology Commons, and the Polymer Chemistry Commons
Repository Citation
Jo, Tae Soo, "Synthesis and characterizations of pyridinium salts including poly(pyridinium salt)s and their
applications" (2012). UNLV Theses, Dissertations, Professional Papers, and Capstones. 1743.
http://dx.doi.org/10.34917/4332724
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,SYNTHESIS AND CHARACTERIZATIONS OF PYRIDINIUM SALTS INCLUDING
POLY(PYRIDINIUM SALT)S AND THEIR APPLICATIONS
By
Tae Soo Jo
Bachelor of Chemical Engineering
Kwangwoon University
2004
Master of Chemical Engineering
Yonsei University
2006
A dissertation submitted in partial fulfillment
of the requirements for the
Doctor of Philosophy in Chemistry
Department of Chemistry
College of Sciences
Graduate College
University of Nevada, Las Vegas
December 2012
,THE GRADUATE COLLEGE
We recommend the dissertation prepared under our supervision by
Tae Soo Jo
entitled
Synthesis and Characterizations of Pyridinium Salts Including Poly(Pyridinium Salt)s
and their Applications
be accepted in partial fulfillment of the requirements for the degree of
Doctor of Philosophy in Chemistry
Department of Chemistry
Pradip Bhowmik, Ph.D., Committee Chair
Kathleen Robins, Ph.D., Committee Member
Vernon Hodge, Ph.D., Committee Member
Laxmi Gewali, Ph.D., Graduate College Representative
Tom Piechota, Ph.D., Interim Vice President for Research &
Dean of the Graduate College
December 2012
ii
, ABSTRACT
Synthesis and Characterizations of Pyridinium Salts Including Poly(pyridinium salt)s and
Their Applications
by
Tae Soo Jo
Dr. Pradip K. Bhowmik, Examination Committee Chair
Department of Chemistry
University of Nevada La Vegas
Pyridinium salts, both molecular and polymeric, are an interesting class of
multifunctional materials that exhibit liquid-crystalline and light-emitting properties.
Moreover, their properties can be easily tuned by introducing new types of anions or by
modifying their chemical structures. This dissertation describes synthesis and
characterization of poly(pyridinium salt)s containing macrocounterions and fluorene
moieties in their backbones, synthesis and characterization of nanocomposites of
poly(pyridinium salt)s with single-walled carbon nanotubes via non-covalent interactions,
and synthesis and characterizations of pyridinium salts having different aliphatic linkages
and their application in organic acid sensing.
First, all of these ionic polymers were prepared by either ring-transmutation or by
metathesis reaction. Their chemical structures were established by FTIR, 1H spectroscopy
and elemental analysis. Some polymers containing macrocounterions had relatively low
melting transitions above which they formed thermotropic liquid-crystalline phase; and
other polymers were amorphous as determined by VTXRD studies. Ionic polymers
containing fluorene moieties in their backbones exhibited lyotropic properties in both
iii
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