Ternary complex [Sm(acac)3(5-Br-2,2′-bpy)] for the solution-processed white polymer light-emitting diode (WPLED)

被引：6

作者：

Liu, Jiaxiang ^{[1
]}

Li, Wentao ^{[1
]}

Wang, Baowen ^{[1
]}

Tan, Mingfeng ^{[1
]}

He, Yani ^{[1
]}

Miao, Tiezheng ^{[1
]}

Lu, Xingqiang ^{[1
]}

Fu, Guorui ^{[1
]}

He, Hongshan ^{[2
]}

机构：

[1] Northwest Univ, Shaanxi Key Lab Degradable Med Mat, Sch Chem Engn, Xian 710069, Shaanxi, Peoples R China

[2] Eastern Illinois Univ, Dept Chem, Charleston, IL 61920 USA

来源：

OPTICAL MATERIALS | 2020年 / 107卷

关键词：

Tris-beta-diketonate-Sm3+-complex; Dichromatic integration; Direct white-light; White polymer light-emitting diode; CRYSTAL-STRUCTURE; SAMARIUM COMPLEX; LUMINESCENCE; ELECTROLUMINESCENCE; EXCITATION; EU3+; SM3+; LN;

D O I：

10.1016/j.optmat.2020.109936

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In consideration of the Sm3+-centered characteristic orange-light as the ideal color-primary component toward a dichromatic white-light, herein, through the doping of the complex [Sm(acac)(3)(5-Br-2,2'-bpy)] (2; Hacac = acetylacetone; 5-Br-2,2 '-bpy = 5-Br-2,2'-bipyridine) into the PVK (PVK = poly(N-vinyl-carbazole)) host, the obtained PVK@2 film (10:1, wt/wt) exhibits the straightforward solid-state white-light (phi(PL) = 6.7%). Further using the PVK@2 film (10:1; wt/wt) as the emitting layer, its single-component solution-processed WPLED gives the electroluminescent performance (L-Max of 360.9 cd/m(2), eta(Max)(c) of 1.08 cd/A) satisfactory enough for portable full-color flat displays.

引用

页数：7

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