Gesquiere, Andre - University of Central Florida

个人简介

Assistant Professor at the University of Central Florida, joint appointment in the Nanoscience Technology Center and Department of Chemistry: 07/2005 - present B.S. Chemistry, Cum Laude Catholic University Leuven, Leuven, Belgium, July 1997 Thesis: Scanning Tunneling Microscopy and Diacetylenes Thesis Advisor: Prof. Frans C. De Schryver Ph.D. Chemistry Catholic University Leuven, Leuven, Belgium, December 2001 Thesis: Scanning Tunneling Microscopy and Spectroscopy of Organic Supramolecular Systems Thesis Advisors: Prof. Frans C. De Schryver and Dr. Steven De Feyter Honors Fellowship from the Institute for the Promotion of Innovation by Science and Technology in Flanders (1999-2001) Fellowship from the Institute for the Promotion of Innovation by Science and Technology in Flanders (1997-1999)

研究领域

Nanoscale Optoelectronic Materials and Devices for Energy Conversion Nanostructure of materials and interfaces is a key issue in achieving improved efficiencies for organic photovoltaic devices (OPV) and organic light emitting diodes (OLED). Through the development of molecular devices and single molecule/nanoparticle particle spectroscopic techniques for the study of organic optoelectronic materials we can address these issues. The research projects involve studying the spectroscopy of interesting optoelectronic materials such as conjugated polymers, nanoparticles and their hybrids at the single molecule/particle level, and using these single molecules/nanoparticles as probes to locally study interfaces and processes in fully assembled functioning devices at the nanoscale. This multidisciplinary research program crosses the borders between materials science, engineering, physical chemistry, organic chemistry, and analytical chemistry and creates a bridge between fundamental research and technologically important applications. Nanobiology: imaging and biophysical studies The extreme sensitivity of single molecule laser scanning confocal microscopy allows us to detect the presence of a single molecule or nanoparticle. Combined with the excellent spatial resolution of this research tool we are developing the capability of tracking biological processes at the molecular level. We will quantitatively study biophysical processes at the single molecule level to unravel and understand the mechanism and kinetics of biologically important processes such as DNA and protein folding dynamics, and biochemical reactions involving enzymes. Our work will also involve developing novel imaging and spectroscopic techniques for biological systems. This will include the tracking of individual nanoparticles to study processes inside living cells. This multidisciplinary research program will have a significant impact on the emerging fields of nanobiology and nanomedicine.

近期论文

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Gesquiere, A. J.; Park, S. J.; Barbara, P. F. Hole-induced quenching of triplet and singlet excitons in conjugated polymers. Journal of the American Chemical Society 2005, 127, 9556. Lee, Y. J.; Park, S.-J.; Gesquiere, A. J.; Barbara, P. F. Probing a molecular interface in a functioning organic diode. Applied Physics Letters 2005, 87, 051906. Gesquiere, A. J.; Uwada, T.; Asahi, T.; Masuhara, H.; Barbara, P. F. Single molecule spectroscopy of organic dye nanoparticles. Nano Letters 2005, 5, 1321. (Highlighted in the Materials Research Society Bulletin, August 2005 issue (volume 30) on pages 575-576.) Gesquiere, A. J.; Lee, Y. J.; Yu, J.; Barbara, P. F. Single molecule modulation spectroscopy of conjugated polymers. Journal of Physical Chemistry B 2005, 109, 12366. Park, S. J.; Gesquiere, A. J.; Yu, J.; Barbara, P. F. Charge injection and photooxidation of single conjugated polymer molecules. Journal of the American Chemical Society 2004, 126, 4116. Gesquiere, A. J.; Park, S. J.; Barbara, P. F. F-V/SMS: A new technique for studying the structure and dynamics of single molecules and nanoparticles. Journal of Physical Chemistry B 2004, 108, 10301.