TY - JOUR
T1 - Charge carriers at organic heterojunction interface
T2 - Exciplex emission or electroplex emission?
AU - Yang, Shengyi
AU - Zhang, Xiulong
AU - Hou, Yanbing
AU - Deng, Zhenbo
AU - Xu, Xurong
PY - 2007
Y1 - 2007
N2 - We report the electroluminescence (EL) of organic heterojunction devices based on N, N′ -diphenyl- N, N′ -bis(3-methylphenyl)- (1, 1′ -biphenyl)- 4, 4′, -diamine (TPD) and 2- (4′ -biphenyl)-5- (4″ -tert-butylphenyl)-1,3,4-oxadiazole (PBD). Besides monomolecular emissions from TPD, there are two additional EL peaks at around 460 and 480 nm from the bilayer device indium tin oxide (ITO)/ TPD (100 nm) PBD (45 nm) Al. Our experimental data confirmed that the EL emission maximized at around 460 nm is from electroplex as the result of charge carriers cross recombination at the TPD/PBD interface and the EL emission maximized at around 480 nm originates from (TPD* PBD) -type exciplex.
AB - We report the electroluminescence (EL) of organic heterojunction devices based on N, N′ -diphenyl- N, N′ -bis(3-methylphenyl)- (1, 1′ -biphenyl)- 4, 4′, -diamine (TPD) and 2- (4′ -biphenyl)-5- (4″ -tert-butylphenyl)-1,3,4-oxadiazole (PBD). Besides monomolecular emissions from TPD, there are two additional EL peaks at around 460 and 480 nm from the bilayer device indium tin oxide (ITO)/ TPD (100 nm) PBD (45 nm) Al. Our experimental data confirmed that the EL emission maximized at around 460 nm is from electroplex as the result of charge carriers cross recombination at the TPD/PBD interface and the EL emission maximized at around 480 nm originates from (TPD* PBD) -type exciplex.
UR - http://www.scopus.com/inward/record.url?scp=34248597072&partnerID=8YFLogxK
U2 - 10.1063/1.2713947
DO - 10.1063/1.2713947
M3 - Article
AN - SCOPUS:34248597072
SN - 0021-8979
VL - 101
JO - Journal of Applied Physics
JF - Journal of Applied Physics
IS - 9
M1 - 096101
ER -