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Hindi Journal of Nanomaterials & Molecular NanotechnologyISSN: 2324-8777
Jacek Jasinski Author
Subjects of specialization
Affiliation
Advanced Materials, Microstructure, Material Characteristics, X-ray Diffraction ,SEM ,Analysis Materials Processing
Conn Center for Renewable Energy, University of Louisville, Louisville, KY 40292, USA
Biography
Jacek is currently the Theme Leader for Materials Characterization at the Conn Center for Renewable Energy Research at UofL. In his research, he applies electron microscopy and other techniques to study relationships between the structure, chemistry, and other properties of technologically important materials. His current interests include energy-relevant materials, as well as nanomaterials for catalytic, optical, sensing, bio-medical, and other applications.
Publications
Research Article Subscription
Photoluminescence in Functionalized/Doped Graphene Quantum Dots: Role of Surface States
Author(s): Uliana Salgaeva, Rong Zhao, Sergey Mushinsky, Jacek Jasinski, Xiao-An Fu, Victor Henner, Ruchira Dharmasena and Gamini Sumanasekera
Photoluminescence in Functionalized/Doped Graphene Quantum Dots: Role of Surface States
It has been shown that functionalization/doping of Graphene Quantum Dots (GQDs) can lead to further tuning of their already existing band gap. We have successfully functionalized GQDs (synthesized by hydrothermal process) with oxygen, hydrogen, fluorine, and doped with nitrogen using capacitively coupled plasma of respective gas as evidenced by Raman and X-ray photo emission spectroscopy (XPS). Room temperature photoluminescence (PL) of each functionalized GQD shows distinctive features and can be explained as due to charge transfers between the functional groups/d... view more»
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