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1. 云南师范大学 化学与化学工程学院, 云南 昆明 650500
2. 云南民族大学 化学与环境学院, 云南 昆明 650504
纸质出版日期:2018-5-5,
网络出版日期:2017-11-15,
收稿日期:2017-8-16,
修回日期:2017-9-25,
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郭庆美, 杨至雨, 黄国利等. 以2-(苯磺酰基)苯乙酮衍生物为辅助配体的铱配合物的合成及性质[J]. 发光学报, 2018,39(5): 633-642
GUO Qing-mei, YANG Zhi-yu, HUANG Guo-li etc. Synthesis and Properties of Ir(Ⅲ) Complexes Based on 2-(Phenylsulfonyl) Acetophenone Derivatives as Auxiliary Ligands[J]. Chinese Journal of Luminescence, 2018,39(5): 633-642
郭庆美, 杨至雨, 黄国利等. 以2-(苯磺酰基)苯乙酮衍生物为辅助配体的铱配合物的合成及性质[J]. 发光学报, 2018,39(5): 633-642 DOI: 10.3788/fgxb20183905.0633.
GUO Qing-mei, YANG Zhi-yu, HUANG Guo-li etc. Synthesis and Properties of Ir(Ⅲ) Complexes Based on 2-(Phenylsulfonyl) Acetophenone Derivatives as Auxiliary Ligands[J]. Chinese Journal of Luminescence, 2018,39(5): 633-642 DOI: 10.3788/fgxb20183905.0633.
以2-(苯磺酰基)苯乙酮衍生物为辅助配体、2-苯基吡啶衍生物为主配体,合成得到(dfppy)
2
-Ir(PSAP)、(tfmppy)
2
Ir(PSAP)、(ftfmppy)
2
Ir(PSAP)、(dfppy)
2
Ir(TSAP)、(tfmppy)
2
Ir(TSAP)、(ftfmppy)
2
-Ir(TSAP)6个铱配合物。6种配合物在CH
2
Cl
2
中的液体最大发射峰在450~502 nm之间,固体最大发射峰在482~503 nm之间,量子效率分别为13.2%~51.1%。将配合物的固体粉用于制备以蓝光InGaN为基底的发光二极管,其最大发射波长在507~543 nm之间,由色坐标得到其发光在蓝绿光和黄绿光区域。其中发光效率最高为基于(ftfmppy)
2
Ir(TSAP)的LED,达到5.6 lmW
-1
,而基于(dfppy)
2
Ir(PSAP)的LED色坐标为(0.316,0.431),发光区域最接近白光。
Using 2-(phenylsulfonyl) acetophenone derivatives as the ancillary ligands
and 2-phenylpyridine derivatives as the main ligands
six iridium complexes (1:(dfppy)
2
Ir(PSAP)
2:(tfmppy)
2
Ir(PSAP)
3:(ftfmppy)
2
Ir(PSAP)
4:(dfppy)
2
Ir(TSAP)
5:(tfmppy)
2
Ir(TSAP)
6:(ftfmppy)
2
Ir(TSAP)) were synthesized
respectively. The complexes show phosphorescence emission maxima from 450 nm to 502 nm in CH
2
Cl
2
solution with the quantum efficiencies from 13.2% to 51.1%
respectively. All the complexes exhibit emissions peaked from 482 nm to 503 nm in solid state
respectively. By using these complexes solid powder as emitters
the light emitting diodes with the blue GaN material as substrate were prepared. The CIE color coordinates are in blue-green and yellow-green regions for the LED based on all the complexes. The maximum light emitting efficiency value for (ftfmppy)
2
Ir(TSAP) based LED is 5.6 lmW
-1
and the color of (dfppy)
2
Ir(PSAP) based LED (0.316
0.431) is almost near-white.
2-(苯磺酰基)苯乙酮铱配合物磷光材料光致发光
2-(phenylsulfonyl) acetophenoneiridium complexesphosphorescent materialsphotoluminescence
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TENG M Y, ZHANG S, JIN Y M, et al.. Efficient organic light-emitting diodes with low efficiency roll-off at high brightness using iridium emitters based on 2-(4-trifluoromethyl-6-fluoro phenyl)pyridine and tetraphenylimidodiphosphinate derivatives[J]. Dyes Pigm., 2014, 105:105-113.
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