Highly efficient non-doped OLEDs using aggregation-induced delayed fluorescence materials based on 10-phenyl-10H-phenothiazine 5,5-dioxide derivatives†,Journal of Materials Chemistry C

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Highly efficient non-doped OLEDs using aggregation-induced delayed fluorescence materials based on 10-phenyl-10H-phenothiazine 5,5-dioxide derivatives†
Journal of Materials Chemistry C ( IF 5.7 ) Pub Date : 2018-10-05 00:00:00 , DOI: 10.1039/c8tc03648a
Songpo Xiang _{1,

2,

3,

4} , Zhi Huang _{1,

2,

3,

4} , Shuaiqiang Sun _{1,

2,

3,

4} , Xialei Lv _{1,

2,

3,

4} , Lianwei Fan _{1,

2,

3,

4} , Shaofeng Ye _{1,

2,

3,

4} , Hongting Chen _{1,

2,

3,

4} , Runda Guo _{1,

2,

3,

4} , Lei Wang _{1,

2,

3,

4}

Affiliation

A novel electron acceptor based on 10-phenyl-10H-phenothiazine 5,5-dioxide (2PTO) was introduced for the first time to construct aggregation-induced delayed fluorescence materials. The emitter PXZ2PTO contains phenoxazine as the electron donor, exhibiting both AIE characteristics and TADF properties. Due to the highly stereoscopic structure and small ΔE_ST of PXZ2PTO, a green non-doped TADF OLED realized a high maximum EQE, CE and PE of 16.4%, 44.9 cd A⁻¹ and 32.0 lm W⁻¹, respectively, without using any optical outcoupling technology, which is comparable with the best reported non-doped TADF OLEDs. In addition, the efficiency of the non-doped devices are comparable with that of doped PXZ2PTO devices, with the maximum EQE, CE and PE of 16.3%, 43.8 cd A⁻¹ and 35.2 lm W⁻¹, respectively.

中文翻译：

使用基于10-苯基-10 H-吩噻嗪5,5-二氧化物衍生物的聚集诱导的延迟荧光材料的高效非掺杂OLED †

首次引入基于10-苯基-10 H-吩噻嗪5,5-二氧化物（2PTO）的新型电子受体，以构建聚集诱导的延迟荧光材料。发射极PXZ2PTO包含吩恶嗪作为电子供体，同时具有AIE特性和TADF特性。由于高度立体结构和小Δ Ë _ST的PXZ2PTO，绿色非掺杂TADF OLED实现的高的最大EQE，16.4％CE和PE，44.9光盘^-1和32.0流明w ^ ^-1，而无需使用任何光学外耦合技术，这与报道得最好的非掺杂TADF OLED相当。此外，非掺杂器件的效率与掺杂PXZ2PTO器件的效率相当，最大EQE，CE和PE分别为16.3％，43.8 cd A ^-1和35.2 lm W ^-1。

更新日期：2018-10-05

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