John T. Yi
John T. Yi received his PhD in Physical Chemistry from University of Pittsburgh in 2005, under the direction of Professor David Pratt. His research concentrated on gas phase studies of biologically relevant molecules and their various complexes. These studies provided detailed information in the determination of stable molecular geometry(s) or the structural environment of solvated molecules. After completing the degree he did postdoctoral work at the Ohio State University in 2005-06, with Professor Terry Miller in the Department of Chemistry. He also spent a short time at Stanford University as a postdoctoral fellow in the Department of Mechanical Engineering. He joined the faculty of the Department of Chemistry at Winston-Salem State University (WSSU), in 2006. At WSSU, his research involves molecular spectroscopy employing state-of-the-art high-resolution spectroscopic techniques (in the terahertz (THz), and ultraviolet (UV) spectral regions) to obtain quantitative information about the structures and dynamics of large biomolecules.
- PhD, Physical Chemistry, 2005, University of Pittsburgh
- BS, Chemistry, 1992, La Roche College
Research and Project Interests
- Physical Chemistry
- Molecular Spectroscopy
- Molecular Spectroscopy
J. Arturo Ruiz-Santoyo, Josefin Wilke, Martin Wilke, John T. Yi, David Pratt, Michael Schmitt, and Leonardo Alvarez-Valtierra, “Electronic Spectra of 2- and 3-Tolunitrile in the Gas Phase I: A Study of Methyl Group Internal Rotation via Rovibronically Resolved Spectroscopy” J. Chem. Phys., 2016 144, 044303.
José Arturo Ruiz-Santoyo, Marcela Rodríguez-Matus, José Luis Cabellos, John T. Yi, David W. Pratt, Michael Schmitt, Gabriel Merino, Leonardo Álvarez-Valtierra, “Intramolecular Structure and Dynamics of Mequinol and Guaiacol in the Gas Phase. Rotationally Resolved Electronic Spectra of their S1 States”, J. Chem. Phys., 2015 143, 094301.
J. W. Young, V. Vaquero-Vara, John T. Yi, G. Moreno-Vargas, L. Álvarez-Valtierra and D. W. Pratt, “Using high resolution electronic spectroscopy to probe the effects of ring twist on conjugation and electron transfer in 2-phenylindole and N-phenylcarbazole.” Phys. Chem. Chem. Phys., 2013 15 10251.
Pete Paul, Patrick Lawson, John T. Yi and Nathan Stump, “Diffuse reflectance investigation of the thermo decomposition of samarium trichloride hexahydrate” Applied Spectroscopy, 2012 66 90.
John T. Yi, Christian Brand, Miriam Wollenhaupt, David W. Pratt, W. Leo Meerts, and Michael Schmitt, “Rotationally resolved electronic spectroscopy of biomolecules in the gas phase. Melatonin”, J. Mol. Spect., 2011 268 115.
Leonardo Alvarez-Valtierra, David F. Plusquellic, John T. Yi, and David W. Pratt, “On the excited state dynamics of vibronic transitions. High resolution spectra of acenaphthene and its argon van der Waals complex in the gas phase” J. Phys. Chem. A, 2011 115 9557.
Jinjun Liu, Ming-Wei Chen, Dmitry Melnik, John T. Yi and Terry A. Miller, “The spectroscopic characterization of the methoxy radical. Part I. Rotationally Resolved Ã2A1– X 2E Electronic Spectra of CH3O” J. Chem.Phys., 2009 130 74302.
Leonardo Alvarez-Valtierra, John T. Yi, and David W. Pratt.
“Lifetime broadening in the rotationally resolved electronic spectra of dibenzothiophene, 2,5-diphenylfuran and 2,5-diphenyl-1,3,4-oxadiazole in the gas phase. Intersystem crossing dynamics in the statistical limit.” J. Phys. Chem. A,2009 113 2261.
- Physical Chemistry I and II
- General Chemistry I and II
- General Chemistry for Health Science
- Physical Science
- Physical Chemistry Lab I and II
- General Chemistry Lab I and II
- General Chemistry Lab for Health Science
- Physical Science lab
John T. Yi, Christian Brand, Miriam Wollenhaupt, David W. Pratt, W. Leo Meerts, and Michael Schmitt, “Rotationally resolved electronic spectroscopy of biomolecules in the gas phase. Melatonin” 66nd International Symposium on Molecular Spectroscopy, Columbus, Ohio, June 20-24, 2011.
Jeremy Brooks†, Patrick Lawson† and John T. Yi, “Rotational Analysis and Molecular Structure of 1,3-Dimethoxybenzene” Summer Undergraduate Research Experience (SURE) program, Winston-Salem State University, 2009.
Isaias Tasfaslassie† and John T. Yi, “Biomolecules in the Gas Phase. The Electronic Spectrum of 5-methoxyindole”, Summer Undergraduate Research Experience (SURE) program, Winston-Salem State University, 2007.
Jinjun Liu, Ming-Wei Chen, John T. Yi and Terry A. Miller, “Stimulated Emission Pumping (SEP) Specroscopy Applied to the Methoxy Radical.” 62nd International Symposium on Molecular Spectroscopy, Columbus, Ohio, June 18-22, 2007.
Leonardo Alvarez, John T. Yi and David W. Pratt, “Lifetime Broadening in the Rotationally Resolved Electronic Spectra of Some Furan Derivatives and Analogs in the Gas Phase.” 62nd International Symposium on Molecular Spectroscopy, Columbus, Ohio, June 18-22, 2007.
Jinjun Liu, John T. Yi and Terry A. Miller, “High-Resolution Laser Induced Fluorescence (LIF) Spectroscopy of Deuterated Isotopomers of the Methoxy Radical.” 62nd International Symposium on Molecular Spectroscopy, Columbus, Ohio, June 18-22, 2007.
“Utilization of a novel Terahertz (THz) spectrometer on Biologically Relevant Molecules” NSF(HBCU) - Supplemental Grant (PI, Submission Date: Jun. 2016, Amount: $37,646)
“High-Resolution Electronic Spectroscopy of Inter/Intra-Molecular Interactions on Biologically Relevant Molecules” NSF(HBCU) - Research Initiation Award Grant (PI, Submission Date: Oct. 2014, Amount: $199,879)
“Acquisition of a Micro-Raman System for Multidisciplinary Research & Education” Department of Defense (DOD), Research and Education Program for Historically Black Colleges and Universities and Minority-Serving Institutions (HBCU/MI) (co-Investigator, Submission Date: Jun. 2014, Amount: $348,919)
“Development and Enhancement of the Physics Laboratories at Winston-Salem State University”, NSF(HBCU) -Targeted Infusion Project Grant (Senior Personnel, Submission Date: Mar. 2012, Amount: $299,875)
- Ar ion laser (171 Spectra Physics, and Innova 200 and Sabre Coherent),
- CW ring dye laser (380A Spectra Physics, and 899 and 699 Coherent),
- Nd:YAG (DCR-1A Quanta Ray),
- pulsed dye laser (PDL-1 Quanta Ray),
- XeCl excimer (EMG 103 and 101 Lambda Physik)
- XeF excimer (COMPex 100 Lambda Physik),
- pulsed dye amplifier (FL2003 Lambda Physik).