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Gewirth, Andrew A. Schultz, Zachary Dale 2015-09-25T22:13:28Z 2015-09-25T22:13:28Z 10000-01-01 2005 2005 SFG in tandem with electrochemical capacitance and CV measurements are used to study the effects of applied potential on the adsorption and orientation of PABA at a Ag(111) surface. The data indicates that PABA changes orientation in response to the charge on the electrode surface, orienting one way positive of the potential of zero charge (pzc) and oppositely negative of the pzc. At positive potentials a phase change is observed associated with the formation of a condensed layer. These results show that the orientation of small molecule zwitterions can be controlled by applied potential. Made available in DSpace on 2015-09-25T22:13:28Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3199136.pdf: 6647645 bytes, checksum: 57929108455fc4d1734b8873c7f215a7 (MD5) Previous issue date: 2005 Embargo set by: Seth Robbins for item 85483 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs U of I Only 271 p. Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2005. http://hdl.handle.net/2142/84202 (MiAaPQ)AAI3199136 eng Chemistry, Physical Interrogating the Electrochemical Interface Using Sum Frequency Generation Spectroscopy text Chemistry Chemistry University of Illinois at Urbana-Champaign Dissertation Ph.D.