Vogler, Arnd (2018) Photoluminescence of Baltic amber. ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES, 73 (9). pp. 673-675. ISSN 0932-0776, 1865-7117
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Baltic amber shows a greenish photoluminescence upon UV illumination. When amber is dissolved in organic solvents such as ethanol, an emission spectrum is observed, which resembles that of pyrene. At higher concentrations, pyrene undergoes an aggregation, which shifts the emission to longer wavelength. In solid amber, an analogous aggregation apparently takes place. Depending on the size of the solid amber particles, a bluish (lambda(max) = 450 nm) to greenish (lambda(max) = 480 nm) luminescence appears.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | ; amber; photoluminescence; pyrene |
| Subjects: | 500 Science > 540 Chemistry & allied sciences |
| Divisions: | Chemistry and Pharmacy > Institut für Anorganische Chemie > Alumni or Retired Professors > Prof. Dr. Arnd Vogler |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 13 Dec 2019 10:00 |
| Last Modified: | 13 Dec 2019 10:00 |
| URI: | https://pred.uni-regensburg.de/id/eprint/13924 |
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