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Related Experiment Video

Updated: Mar 29, 2026

Development of Efficient OLEDs from Solution Deposition

Development of Efficient OLEDs from Solution Deposition

Published on: November 4, 2022

High mobility emissive organic semiconductor.

Jie Liu^1,2, Hantang Zhang^1,2, Huanli Dong^1,2

¹Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.

Nature Communications

|December 2, 2015

Summary

This summary is machine-generated.

Researchers developed 2,6-diphenylanthracene (DPA), a novel organic semiconductor. This material achieves high charge carrier mobility and high luminescence, crucial for advanced optoelectronics like organic light-emitting diodes and transistors.

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Area of Science:

Materials Science
Organic Electronics
Solid-State Physics

Background:

Achieving high charge carrier mobility and luminescence simultaneously in organic semiconductors is a significant challenge.
Such materials are essential for developing efficient organic light-emitting transistors and organic electrically pumped lasers.

Purpose of the Study:

To introduce a novel organic semiconductor, 2,6-diphenylanthracene (DPA), that overcomes the challenge of integrating high charge carrier mobility and high luminescence.
To evaluate the optoelectronic properties of DPA for potential applications in organic electronics.

Main Methods:

Synthesis and characterization of 2,6-diphenylanthracene (DPA).
Measurement of single crystal absolute fluorescence quantum yield and charge carrier mobility.
Fabrication and testing of organic light-emitting diodes (OLEDs) and field-effect transistors (FETs) using DPA.

Main Results:

DPA exhibits a high absolute fluorescence quantum yield of 41.2% in single crystals.
DPA demonstrates high charge carrier mobility of 34 cm²/V·s in single crystals.
OLEDs based on DPA show pure blue emission with high brightness (up to 6,627 cd/m²) and a low turn-on voltage (2.8 V).
Successful operation of DPA OLED arrays driven by DPA FET arrays was achieved.

Conclusions:

2,6-diphenylanthracene (DPA) is a high-mobility emissive organic semiconductor.
DPA shows significant potential for applications in advanced organic optoelectronics, including transistors and lasers.