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https://hdl.handle.net/20.500.14279/18163| Τίτλος: | Upconversion photoluminescence in poly(ladder-type-pentaphenylene) doped with metal (II)-octaethyl porphyrins | Συγγραφείς: | Baluschev, S. Keivanidis, Panagiotis E. Wegner, G. Jacob, J. Grimsdale, A. C. Müllen, K. Miteva, T. Yasuda, A. Nelles, G. |
Major Field of Science: | Engineering and Technology | Field Category: | Mechanical Engineering | Λέξεις-κλειδιά: | Absorption;Doping (additives);Optimization;Photoemission;Photoluminescence;Platinum compounds;Porphyrins | Ημερομηνία Έκδοσης: | 7-Φεβ-2005 | Πηγή: | Applied Physics Letters, 2005, vol. 86, no. 6, pp. 1-3 | Volume: | 86 | Issue: | 6 | Start page: | 1 | End page: | 3 | Περιοδικό: | Applied Physics Letters | Περίληψη: | We report on the optimization of the upconversion photoluminescence in films of conjugated polymers doped with platinum porphyrin. The upconversion emission was observed to take place at pump intensities as low as 0.5 kWcm2. Comparison between the photoluminescence integral intensity of polyfluorene and ladder-type pentaphenylene polymer shows a five-fold increase of the efficiency of the upconversion process for the latter. The higher upconversion efficiency can be partially attributed to the reduced reabsorption of the photoluminescence in the case of the ladder-type pentaphenylene matrix. © 2005 American Institute of Physics. | ISSN: | 00036951 | DOI: | 10.1063/1.1857073 | Rights: | © American Institute of Physics | Type: | Article | Affiliation: | SONY | Publication Type: | Peer Reviewed |
| Εμφανίζεται στις συλλογές: | Άρθρα/Articles |
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