Browsing by Subject "Physical chemistry"

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Families of metastable misfit layered compounds prepared by modulated elemental precursors and the resulting physical properties

Heideman, Colby Luke, 1979- (University of Oregon, 2010-06)

The constant drive to improve material properties has recently led researchers towards metastable nanostructured materials, increasing the need for new synthetic pathways capable of rationally accessing targeted compounds. ...
In situ analysis of aqueous structure and adsorption at fluorocarbon, hydrocarbon and mineral surfaces

Hopkins, Adam Justin, 1980- (University of Oregon, 2010-09)

Altering and controlling the properties of solid surfaces in aqueous or other liquid phase environments has been a sought after objective for decades. With the discovery of chemisorbed self-assembled monolayers, this dream ...
Investigations of the molecular structure and bonding of water at the liquid-liquid interface utilizing vibrational sum-frequency spectroscopy

McFearin, Cathryn LeAn, 1979- (University of Oregon, 2009-03)

The interface between water and an organic liquid is present in a variety of biological, environmental, and chemical processes throughout science and nature. Issues such as environmental remediation and ion transport are ...
Markov Models for the Conformational Kinetics in DNA Breathing Fluctuations

Romano, Pablo (University of Oregon, 2018-04-10)

As the genetic content is internally located within DNA duplexed form, it has long been hypothesized that DNA undergoes a series of thermally induced conformational changes that assist in protein recognition events. The ...
Pressure broadening and pressure shift of diatomic iodine at 675 nm

Wolf, Erich N. (University of Oregon, 2009-06)

Doppler-limited, steady-state, linear absorption spectra of 127 I 2 (diatomic iodine) near 675 nm were recorded with an internally-referenced wavelength modulation spectrometer, built around a free-running diode laser ...
Probing local conformation and dynamics of molecular complexes using phase-selective fluorescence correlation and coherence spectroscopy

Lott, Geoffrey Adam, 1980- (University of Oregon, 2010-06)

When two or more fluorescent chromophores are closely spaced in a macromolecular complex, dipolar coupling leads to delocalization of the excited states, forming excitons. The relative transition frequencies and magnitudes ...
The Rotational Vibrational Spectrum of Monochloroacetylene

Willemsen, Connor Fitzpatrick (University of Oregon, 2016-06)

The 2v1 bands for HCC35CI and HCC37CI, the v,+v2+2v4 band for HCC35CI, and the (v1+v4l-v41 hot band for HCC35Ct have been measured between 6370 and 6660 cm-1 using a custom spectrometer based around an external cavity ...
Surface Modification and Multiple Exciton Generation Studies of PbS Nanoparticles

Zemke, Jennifer M., 1983- (University of Oregon, 2011-09)

Solar energy is a green alternative to fossil fuels but solar technologies to date have been plagued by low conversion efficiencies and high input costs making solar power inaccessible to much of the developing world. ...
Theoretical studies of the external vibrational control of electronic excitation transfer and its observation using polarization- and optical phase-sensitive ultrafast spectroscopy

Biggs, Jason Daniel, 1978- (University of Oregon, 2010-12)

Our theoretical studies involve the control of electronic energy transfer in molecular dimers through the preparation of specific vibrational coherences prior to electronic excitation. Our control strategy is based upon ...
Vibrational sum-frequency spectroscopy investigations of carboxylic acid based surfactants and polymers at the oil-water interface

Beaman, Daniel Keith, 1978- (University of Oregon, 2010-09)

Aqueous solutes next to hydrophobic interfaces arc prevalent in a multitude of chemical and biological systems throughout the world. Their presence ranges from environmental processes such as soil and water remediation to ...
Vibrational wave packets: Molecular state reconstruction in the gas phase and mixed quantum/semiclassical descriptions of small-molecule dynamics in low-temperature solid media

Chapman, Craig Thomas, 1980- (University of Oregon, 2010-03)

We explore the reconstruction of B-state vibrational wave packets in I 2 from simulated two-color nonlinear wave packet interferometry data. As a simplification of earlier proposals, we make use of different vibrational ...