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https://hdl.handle.net/20.500.14279/18360| Τίτλος: | On the role of temperature in the triplet-fusion induced low-energy photon up-converted delayed luminescence of a solid state composite | Συγγραφείς: | Goudarzi, Hossein Keivanidis, Panagiotis E. |
Major Field of Science: | Engineering and Technology | Field Category: | Electrical Engineering - Electronic Engineering - Information Engineering | Λέξεις-κλειδιά: | Energy migration;Light harvesting;Photon up-conversion;Spectral diffusion;Triplet fusion | Ημερομηνία Έκδοσης: | 15-Οκτ-2014 | Πηγή: | 40th IEEE Photovoltaic Specialist Conference, 2014, United States, 8-13 June | Conference: | IEEE Photovoltaic Specialist Conference | Περίληψη: | Here we present a temperature dependent spectroscopic study of a solution-processed solid state photon up-converting composite. In our work we address the process of low-energy photon up-conversion at low temperatures in the previously studied blend film of the triplet photosensitizer (2,3,7,8,12,13,17,18-octaethyl-porphyrinato) platinum(II)) (PtOEP) mixed with the blue emitter 9,10-diphenylanthracene (DPA). It is found that, in respect to room temperature, at 100 K the spectral integral of the DPA up-converted emission is increased by a factor of two whereas the spectrally integrated PtOEP phosphorescence is increased by a factor of eight. Temperature-dependent PtOEP phosphorescence and DPA up-converted luminescence kinetics are also recorded. | URI: | https://hdl.handle.net/20.500.14279/18360 | DOI: | 10.1109/PVSC.2014.6925453 | Rights: | © IEEE | Type: | Conference Papers | Affiliation: | Fondazione Istituto Italiano di Tecnologia | Publication Type: | Peer Reviewed |
| Εμφανίζεται στις συλλογές: | Δημοσιεύσεις σε συνέδρια /Conference papers or poster or presentation |
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