Publication Date
2013
Document Type
Thesis
Committee Members
Angela Campbell (Committee Member), Gregory Kozlowski (Advisor), Douglas Petkie (Committee Member), David Stewart (Committee Member)
Degree Name
Master of Science (MS)
Abstract
This work studies the electromagnetic properties of AF455, a two photon dye, DNA bound with cetyltrimethyl ammonium (CTMA), in liquid solvent blends for use in thin film optical filters. The liquid properties of the materials are believed to be transferred to the films. The solvent blends used are ratios of toluene (T) and dimethyl sulfoxide (DMSO). The complex permittivity and permeability of the samples are measured using the short open coaxial line technique in the frequency range of 1.0 x 107 Hz to 2.0 x 109 Hz. In this frequency range, AF455 does not act as a two photon absorber. The results show there is an interaction between AF455 and DNA-CTMA that increases the real permittivity for two solvent blends (50-50, and 60-40, T-DMSO). There is also a clear conformation change in the samples with the solvents and DNA-CTMA only that is observed in the real permittivity. In the 70-30 blend, the conformation of the DNA-CTMA is a clear helix. In the samples with less toluene the conformation of the DNA-CTMA is a coil structure. The imaginary permittivity increases with the addition DNA-CTMA. The real and imaginary permeability are constant across all samples.
Page Count
59
Department or Program
Department of Physics
Year Degree Awarded
2013
Copyright
Copyright 2013, some rights reserved. My ETD may be copied and distributed only for non-commercial purposes and may not be modified. All use must give me credit as the original author.
Creative Commons License
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 License.
