Synthesis and Photo-electricity Properties of a Star-shaped Organic Oligomer

Acta Chimica Sinica ›› 2008, Vol. 66 ›› Issue (11): 1361-1365. Previous Articles Next Articles

一种星型有机低聚物的合成及光电性能

向能军*^{,1,2，沈宏林¹^{,3，许永¹^{,3，高茜¹^{,3，梁万里⁴，龚孟濂²}}}}

(¹红塔(烟草)集团有限责任公司技术中心玉溪 653100)
(²中山大学化学与化学工程学院光电材料与技术国家重点实验室广州 510275)
(³昆明理工大学化学工程学院昆明 650224)
(⁴香港浸会大学先进发光材料中心香港)

投稿日期:2007-11-03 修回日期:2008-01-03 发布日期:2008-06-14
通讯作者: 向能军

Synthesis and Photo-electricity Properties of a Star-shaped Organic Oligomer

XIANG, Neng-Jun*^{,1,2; SHEN, Hong-Lin¹^{,3; XU, Yong¹^{,3; GAO, Qian¹^{,3; LEUNG, Louis M.⁴; GONG, Meng-Lian²}}}}

(¹ Research Branch of R&D Center of Hongta Tobacco (Group) Co., Ltd, Yunnan 653100)
(² State Key Laboratory of Optoelectronic Materials and Technologies, School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275)
(³ College of Chemical Engineering, Kunming University of Science and Technology, Kunming 650224)
(⁴ Centre for Advanced Luminescence Materials, Hong Kong Baptist University, Hong Kong, China)

Received:2007-11-03 Revised:2008-01-03 Published:2008-06-14
Contact: XIANG, Neng-Jun

Abstract

A star-shaped organic oligomer, tris(4-(5-(4-(5-(4-(diphenylamino)phenyl)-1,3,4-oxadia- zol-2-yl)phenyl)-1,3,4-oxadiazol-2-yl)phenyl)amine, TDPAPOPOPA, based on a N core, containing a hole-transporting arylamine and an electron-transporting 1,3,4-oxadiazole units has been synthesized using a facile multi-step procedure. The star-shaped organic oligomer emits green light with high fluorescence quantum yields (0.92), indicating that the star-shaped organic oligomer is a highly efficient light-emitting material. Reversible anodic oxidation results suggested that the star-shaped organic oligomer should be predominantly hole-transporting. All the results indicate that the synthesized star-shaped organic oligomer is potentially good candidated as bipolar (hole-transporting/electron-transporting) and emitting material for fabrication of organic light-emitting diodes.

Key words: small molecule, oligomer, hole-transporting, electron-transporting, luminescence

Cite this article

XIANG, Neng-Jun*^,1,2; SHEN, Hong-Lin^1,3; XU, Yong^1,3; GAO, Qian^1,3; LEUNG, Louis M.⁴; GONG, Meng-Lian². Synthesis and Photo-electricity Properties of a Star-shaped Organic Oligomer[J]. Acta Chimica Sinica, 2008, 66(11): 1361-1365.

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一种星型有机低聚物的合成及光电性能

Synthesis and Photo-electricity Properties of a Star-shaped Organic Oligomer

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