A new blue light-emitting polymer containing substituted thiophene and an arylene-1,3,4-oxadiazole moiety

作者：Huang W^*; Meng H; Yu WL; Gao J; Heeger AJ

来源：Advanced Materials, 1998, 10(8): 593-+.

DOI：10.1002/(SICI)1521-4095(199805)10:8<593::AID-ADMA593>3.0.CO;2-9

Communication: An n-doped-type light-emitting polymer that emits blue light with a very high photoluminescence efficiency (79%) is reported. Its synthesis and properties are described and its potential for application in polymer light-emitting diodes (PLEDs) has been checked by the construction of a single-layer LED. All polymers commonly used in PLEDs are typical p-doped-type polymers with a greater tendency to transport holes than electrons, this charge imbalance being a key limit to increasing the electroluminescence efficiency of PEDs. This work demonstrates that n-doped-type polymers suitable for PLEDs can be found.