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Spiro‐Functionalized Polyfluorene Derivatives as Blue Light‐Emitting Materials
Author(s) -
Yu W.L.,
Pei J.,
Huang W.,
Heeger A. J.
Publication year - 2000
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/(sici)1521-4095(200006)12:11<828::aid-adma828>3.0.co;2-h
Subject(s) - polyfluorene , materials science , electroluminescence , surface modification , photoluminescence , absorbance , blue light , photochemistry , optoelectronics , nanotechnology , chemical engineering , optics , layer (electronics) , chemistry , physics , engineering
Novel spiro‐functionalized polyfluorene derivatives (see Figure) are synthesized here. The absorbance and photoluminescence properties of these compounds are investigated and pure blue electroluminescence is demonstrated in single‐layered and double‐layered devices. Spiro‐functionalization is concluded to be a promising approach to addressing the issues of color impurity and poor spectral stability of polyfluorenes.