TY - GEN
T1 - A spiro [fluorene-9, 9′-xanthene]-based host material for efficient green and blue phosphorescent OLED
AU - Ni, Ye Ren
AU - Su, Hai Quan
AU - Huang, Wei
AU - Zhao, Jian Feng
AU - Qian, Yan
AU - Xie, Ling Hai
AU - Xie, Guo Hua
AU - Zhao, Yi
PY - 2013
Y1 - 2013
N2 - A spiro[fluorene-9,9′-xanthene]-based host material SFX-PF, without possessing conventional hole- or electron-transporting units, has been demonstrated to be host material for efficient and low voltage green phosphorescent organic light-emitting device (PHOLED). This compound showed good thermal stability with high glass transition temperatures (Tg) at 172 °C. The green device exhibited a low turn-on voltage of 3 V, and maximum current efficiency, power efficiency, and external quantum efficiency (EQE) up to 47.9 cd/A, 45.4 lm/W, and 13.2%, respectively. At the luminance level of 1000 cd/m2, the driving voltages are still lower than 4 V with 15.9% roll-off in the EQE. In addition, SFX-PF can also host Fir6 with the blue device exhibiting a low turn-on voltage of 2.8 V and maximum current efficiency, power efficiency, and EQE up to 12.8 cd/A, 11.3 lm/W, and 7.5%, respectively. Based on our present and previous studies, it can be concluded that SFX could serve as a new building block for designing blue and green phosphorescent host materials.
AB - A spiro[fluorene-9,9′-xanthene]-based host material SFX-PF, without possessing conventional hole- or electron-transporting units, has been demonstrated to be host material for efficient and low voltage green phosphorescent organic light-emitting device (PHOLED). This compound showed good thermal stability with high glass transition temperatures (Tg) at 172 °C. The green device exhibited a low turn-on voltage of 3 V, and maximum current efficiency, power efficiency, and external quantum efficiency (EQE) up to 47.9 cd/A, 45.4 lm/W, and 13.2%, respectively. At the luminance level of 1000 cd/m2, the driving voltages are still lower than 4 V with 15.9% roll-off in the EQE. In addition, SFX-PF can also host Fir6 with the blue device exhibiting a low turn-on voltage of 2.8 V and maximum current efficiency, power efficiency, and EQE up to 12.8 cd/A, 11.3 lm/W, and 7.5%, respectively. Based on our present and previous studies, it can be concluded that SFX could serve as a new building block for designing blue and green phosphorescent host materials.
KW - Host material
KW - Phosphorescent Organic light-emitting diode
KW - spiro[fluorene-9,9′-xanthene]
UR - https://www.scopus.com/pages/publications/84884489912
U2 - 10.4028/www.scientific.net/AMM.331.503
DO - 10.4028/www.scientific.net/AMM.331.503
M3 - 会议稿件
AN - SCOPUS:84884489912
SN - 9783037857267
T3 - Applied Mechanics and Materials
SP - 503
EP - 507
BT - 2013 International Conference on Process Equipment, Mechatronics Engineering and Material Science
T2 - 2013 International Conference on Process Equipment, Mechatronics Engineering and Material Science, PEME 2013
Y2 - 15 June 2013 through 16 June 2013
ER -