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Proceedings Paper

Synthesis of triplet emitters and hosts for electrophosphorescence
Author(s): Khai Leok Chan; Chris S. K. Mak; Nicholas R. Evans; Scott E. Watkins; Sofia I Pascu; Andrew B. Holmes; Anna Hayer; Anna Köhler; Lekshmi Sudha Devi; Richard H. Friend
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Paper Abstract

Electroluminescence from conjugated polymers can be significantly improved by harnessing the energy of their nonemissive triplet states. Poly(2,7-dibenzosilole) has been prepared and its triplet energy has been measured as 2.14 eV, a figure that is slightly higher than that of polyfluorene (2.09 eV). Two new tris-cyclometalated iridium complexes with blue-to-green emission properties have been prepared and characterized.

Paper Details

Date Published: 8 October 2005
PDF: 9 pages
Proc. SPIE 5937, Organic Light-Emitting Materials and Devices IX, 59370B (8 October 2005); doi: 10.1117/12.624124
Show Author Affiliations
Khai Leok Chan, Univ. of Cambridge (United Kingdom)
Univ. of Melbourne (Australia)
Chris S. K. Mak, Univ. of Cambridge (United Kingdom)
Nicholas R. Evans, Univ. of Cambridge (United Kingdom)
Scott E. Watkins, Univ. of Cambridge (United Kingdom)
Univ. of Melbourne (Australia)
Sofia I Pascu, Univ. of Cambridge (United Kingdom)
Andrew B. Holmes, Univ. of Cambridge (United Kingdom)
Univ. of Melbourne (Australia)
Anna Hayer, Univ. of Cambridge (United Kingdom)
Anna Köhler, Univ. of Cambridge (United Kingdom)
Lekshmi Sudha Devi, Univ. of Cambridge (United Kingdom)
Richard H. Friend, Univ. of Cambridge (United Kingdom)


Published in SPIE Proceedings Vol. 5937:
Organic Light-Emitting Materials and Devices IX
Zakya H. Kafafi; Paul A. Lane, Editor(s)

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