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Development and Applications of Nanoscale Scanning Electrochemical Microscopy

Kim, Jiyeon/ JK (2013) Development and Applications of Nanoscale Scanning Electrochemical Microscopy. Doctoral Dissertation, University of Pittsburgh. (Unpublished)

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Jiyeon Kim, PhD
University of Pittsburgh, 2012
After more than 20 years of basic nanoscience research, advances in nanotechnology have opened up unprecedented possibilities and opportunities in electrochemistry. Especially, fabrication, characterization, modification and the understanding of various electrochemical interfaces or electrochemical processes at the nanoscale have led to applications of electrochemical methods to novel technologies. Nanoscale characterization and theoretical analysis of electrochemical interfaces and reactions can lead to the understanding of these complicated chemical systems at the molecular level. This is not only scientifically interesting, but also crucial for the controlled applications of electrochemistry in nanotechnology.
A theme of my PhD work is to seek the better understanding of important nanosystems such as single walled carbon nanotube (SWNT) and nanopores in biological as well as artificial nanoporous membrane. The understanding of the electrochemistry of carbon nanotubes as an attractive electrode material for electroanalysis and electrocatalysis is fundamentally and practically important. Also, the greater understanding of nucleocytoplasmic transport through the nuclear pores in nuclear envelope is highly significant because of its critical roles as a regulator of gene expression, a gateway for gene delivery, and a model of biomimetic transport systems. In addition, the quantitative understanding of membrane permeability at a single nanopore level is a prerequisite for the development and the application of nanoporous membrane for nanofiltration, biomedical devices, nano fluidics, and biomimetic membrane transport. To achieve these goals, I developed scanning electrochemical microscopy (SECM) as a powerful nanoscale tool and applied this technology to the kinetic study and high-resolution imaging of heterogeneous reactions at various interfaces. Therefore, this thesis is based on two sections. In the first section, I summarize the application of nanoscale SECM to the study of a few different nanostructures and the substantial findings. The second section is concerned about the development of nanoscale SECM. Based on these achievements, the capacity of nanoscale SECM will be greatly increased to characterize and understand various nanomaterials and interfaces at the nanoscale.


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Item Type: University of Pittsburgh ETD
Status: Unpublished
CreatorsEmailPitt UsernameORCID
Kim, Jiyeon/
ETD Committee:
TitleMemberEmail AddressPitt UsernameORCID
Committee ChairAmemiya, Shigeru / AMEMIYA
Committee MemberWeber, Steve G /SG SWEBER
Committee MemberMichael, Adrian C /ACamichael@pitt.eduAMICHAEL
Committee MemberYun, Minhee /Mmiy16@pitt.eduMIY16
Date: 29 January 2013
Date Type: Publication
Defense Date: 15 November 2012
Approval Date: 29 January 2013
Submission Date: 19 November 2012
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
Number of Pages: 152
Institution: University of Pittsburgh
Schools and Programs: Dietrich School of Arts and Sciences > Chemistry
Degree: PhD - Doctor of Philosophy
Thesis Type: Doctoral Dissertation
Refereed: Yes
Uncontrolled Keywords: nanoscale, scanning electrochemical microscopy, SECM
Date Deposited: 29 Jan 2013 20:21
Last Modified: 15 Nov 2016 14:07


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