li_yongjun - 1 PHOTOPHYSICS OF CONJUGATED ORGANOMETALLIC...

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Unformatted text preview: 1 PHOTOPHYSICS OF CONJUGATED ORGANOMETALLIC SYSTEMS: PHOTOINDUCED ELECTRON AND ENERGY TRANSFER, TRIPLET EXCITON DELOCALIZATION, AND PHOSPHORESCENT ORGANOGELATORS By YONGJUN LI A DISSERTATION PRESENTED TO THE GRADUATE SCHOOL OF THE UNIVERSITY OF FLORIDA IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF DOCTOR OF PHILOSOPHY UNIVERSITY OF FLORIDA 2009 2 © 2009 Yongjun Li 3 To my family 4 ACKNOWLEDGMENTS I would never have been able to finish my dissertation without the guidance of my committee members, helps from group members and friends, and support from my family and wife. First, I would like to express my deepest gratitude to my advisor, Dr. Kirk S. Schanze, for his excellent guidance, caring, patience and providing me with an excellent atmosphere for doing my research. I also would like to thank my committee members, Dr. Ronald Castellano, Dr. Ion Ghiviriga, Dr. Daniel Talham and Dr. Elliot Douglas for their support and assistance. Many people have been involved with my research and I would like to thank Dr. Richard Farley for teaching me instrumentation, Dr. Paiboon Sreearunothai and Dr. John R. Miller for carrying out the pulse radiolysis in Brookhaven National Laboratory, Dr. John A. Gladysz and his lab for supplying the platinum tetrayne complexes in Texas A&M University, Dr. Erkan M. Kose for carrying out the DFT calculations in National Renewable Energy Laboratory, and Dr. Yan Liu and Zhuo Chen for helping me with TEM and AFM. Many thanks go to my labmates in Sisler Hall 420, Julia, Key-Young, Emine and Abby. Special thanks go to Julia for sharing the hood with me. Most my synthesis was done in our sharing hood and it was always a great time. I also would like to thank all present members of the Schanze’s group. Finally, I thank my parents, my family, and my wife Jing for her love and support. 5 TABLE OF CONTENTS page ACKNOWLEDGMENTS ...............................................................................................................4 LIST OF TABLES ...........................................................................................................................8 LIST OF FIGURES .........................................................................................................................9 ABSTRACT ...................................................................................................................................14 CHAPTER 1 INTRODUCTION ..................................................................................................................16 Basic Concepts of Photophysics .............................................................................................16 Light Absorption .............................................................................................................16 Excited States ..................................................................................................................18 Electron Transfer .............................................................................................................20Electron Transfer ....
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This note was uploaded on 01/15/2012 for the course CHM 2045 taught by Professor Mitchell during the Fall '07 term at University of Florida.

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li_yongjun - 1 PHOTOPHYSICS OF CONJUGATED ORGANOMETALLIC...

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