Dongxin Ma, Lian Duan, Y. Qiu
Apr 28, 2015
Citations
0
Influential Citations
21
Citations
Journal
Dalton transactions
Abstract
Tetraimidazolylborate is first used as the counterion of two novel ionic iridium complexes, instead of tetraphenylborate. Both the electrochemical stabilities and electroluminescence are sharply improved. Organic light-emitting diodes have been successfully fabricated with a high current efficiency of 9.48 cd A(-1) and a maximum brightness of 5163 cd m(-2).