Development of AMOLED hole transport layer based on thiophene with carbazole

Hyun Chul Ki; Eun Hye Hwang; Hyeon Oh Shin; Tae-Hyuk Kwon; So Hee Park

doi:10.1117/12.2319078

14 September 2018 Development of AMOLED hole transport layer based on thiophene with carbazole

Hyun Chul Ki, Eun Hye Hwang, Hyeon Oh Shin, Tae-Hyuk Kwon, So Hee Park

Proceedings Volume 10736, Organic Light Emitting Materials and Devices XXII; 107361L (2018) https://doi.org/10.1117/12.2319078
Event: SPIE Organic Photonics + Electronics, 2018, San Diego, California, United States

Abstract

In this paper, we had designed the hole transport layer of the new composite skeleton structure having a high energy band gap, high triplet energy and charge mobility. And we proposed a new structure to incorporate carbazole on thiophene to solve energy band gap, triplet energy and charge mobility. The structures and properties of the synthesized compounds were characterized by NMR, fluorescence spectroscopy, triplet energy, charge mobility. As a result of NMR measurement, it was confirmed that when analyzing the integrated type with the position where the measured peak is displayed, it agrees with the structure of hole transport materials. The emission characteristics of the hole transport layer material showed absorption characteristics at 401nm and 377nm, respectively, and exhibited emission characteristics in the range of 460nm and 435nm. respectively, The triplet energy was 2.78 eV and mobility was 7.12X10^-6 cm²/Vs.

Citation Download Citation

Hyun Chul Ki, Eun Hye Hwang, Hyeon Oh Shin, Tae-Hyuk Kwon, and So Hee Park "Development of AMOLED hole transport layer based on thiophene with carbazole", Proc. SPIE 10736, Organic Light Emitting Materials and Devices XXII, 107361L (14 September 2018); https://doi.org/10.1117/12.2319078

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