Photoluminescence studies of oligothiophene self-assembled monolayers at low excitation energy |
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| Authors: | Mishina E Tamura T Sakaguchi H Kulyuk L Nakabayashi S |
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| Affiliation: | Department of Chemistry, Faculty of Science, Saitama University, 255 Shimo-okubo, Saitama, 338-8570, Japan. elena@chem.saitama-u.ac.jp |
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| Abstract: | Photoluminescence spectroscopy studies have been performed on self-assembled monolayers (SAMs) on Au(111) of thiophene oligomers with the number of thiophen rings N=3 and N=4. Photoluminescence spectra of SAMs reveal excitonic behavior with different band resolution and temperature dependence. These differences are attributed to different SAMs structure (degree of ordering). |
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