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Optical properties of thiol terminated biphenyloxazole ordered monolayers on gold surface |
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| Authors: | A.V. Kukhta I.N. Kukhta A.P. Lugovskii E. Meza |
| Affiliation: | a Institute of Molecular and Atomic Physics, NAS of Belarus, Nezalezhnastsi Ave. 70, 220072 Minsk, Belarus b Institute of Applied Physical Problems, Belarusian State University, Kurchatova Str. 7, 220064 Minsk, Belarus c Popular University of Cesar, Barrio Sabana, Campus Universitario, Valledupar, Colombia |
| Abstract: | New thiol terminated biphenyloxazole molecules are synthesized. A self assembled monolayer has been prepared on gold surface and spectral and luminescent properties of free molecules and ordered films have been studied experimentally and theoretically (DFT). The luminescence polarization degree is about 40%. New absorption and luminescence bands have been found experimentally and confirmed theoretically. The highest occupied and the lowest unoccupied molecular orbitals of adsorbed molecules strongly differ from not adsorbed thiol molecules. |
| Keywords: | 81.07.Nb 71.15.Mb 71.20.Rv 78.40.Me 78.55.Kz |
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