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Malkiat
S. Johal |
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Dr. Johal joined the department in July 2006. He has taught
courses in General Chemistry, Physical Chemistry, Surface Chemistry,
Nanomaterials, and Instrumental Methods. His research activities focus on using self-assembly and ionic adsorption processes to fabricate
nano-materials for optical and biochemical applications. Undergraduate research
students are heavily involved in both the construction of and the detailed
characterization of ultra-thin assemblies. These
functional materials include biosurfaces (immobilized proteins) within
polyelectrolyte multilayers, asymmetrically orientated surfactant multilayers,
and self-assembled polyelectrolytes with interesting photoluminescent,
photovoltaic and NLO-active properties. Professor Johal’s laboratory also explores
fundamental issues such as ion-pair complexation, adsorption phenomena, surface
wettability, and intermolecular non-covalent interactions that lead to
highly ordered macro-structures. His laboratory is also exploring the use of
functionalized stacked waveguides and piezoelectric quartz crystal resonators
as platforms for chemical and biological detection, catalysis, and the
nano-fabrication of photovoltaic and organic LED materials. Research students
in his laboratory use a variety of surface analysis tools including Dual
Polarization Interferometry, Quartz-Crystal Microbalance with Dissipation
Monitoring, Surface Tensiometry, Spectroscopy (e.g. ATR-FTIR), X-Ray
Reflectivity, Multi-Wavelength Ellipsometry, and Contact Angle analysis.
After receiving his Ph.D. in Physical Chemistry from the
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