Thermo-oxidative stability of a conjugated polymer by chemiluminescence
- Conjugated polymers based on 1,4-phenylenevinylene units are very promising materials for applications as light-emitting diodes. A major requirement is their stability at elevated temperatures of operation. The thermo-oxidative behaviour of a soluble poly(1,4-phenylenevinylene) derivative, poly[2,5-bis(2-ethylhexyloxy)-1,4-phenylene vinylene], was investigated by using chemiluminescence and UVVis absorption spectroscopy. Extremely sensitive chemiluminescence is successfully applied since even minor chemical changes could lead to a considerable loss of photo- and electro-optical properties. Various degradation processes are described as a function of time and temperature and their influences on functional properties are discussed. The investigated material does not show sufficient thermo-oxidative stability within the temperature range of intended use in contact with air. For industrial application, direct contact with oxygen during processing and operation has to be avoided.
Autor*innen: | Bernhard SchartelORCiD, Manfred Hennecke |
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Dokumenttyp: | Zeitschriftenartikel |
Veröffentlichungsform: | Verlagsliteratur |
Sprache: | Englisch |
Titel des übergeordneten Werkes (Englisch): | Polymer degradation and stability |
Jahr der Erstveröffentlichung: | 2000 |
Verlag: | Applied Science Publ. |
Verlagsort: | London |
Jahrgang/Band: | 67 |
Ausgabe/Heft: | 2 |
Erste Seite: | 249 |
Letzte Seite: | 253 |
Freie Schlagwörter: | Chemiluminescence; Conjugated polymer; Stability; Thermal-oxidation |
DOI: | 10.1016/S0141-3910(99)00120-2 |
ISSN: | 0141-3910 |
ISSN: | 1873-2321 |
Verfügbarkeit des Dokuments: | Physisches Exemplar in der Bibliothek der BAM vorhanden ("Hardcopy Access") |
Bibliotheksstandort: | Sonderstandort: Publica-Schrank |
Datum der Freischaltung: | 19.02.2016 |
Referierte Publikation: | Ja |
Datum der Eintragung als referierte Publikation: | 17.04.2003 |