Ultrapure Blue Thermally Activated Delayed Fluorescence Molecules: Efficient HOMO-LUMO Separation by the Multiple Resonance Effect.

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Abstract

Ultrapure blue-fluorescent molecules based on thermally activated delayed fluorescence are developed. Organic light-emitting diode (OLED) devices employing the new emitters exhibit a deep blue emission at 467 nm with a full-width at half-maximum of 28 nm, CIE coordinates of (0.12, 0.13), and an internal quantum efficiency of ≈100%, which represent record-setting performance for blue OLED devices.

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Author and article information

Journal

Journal ID (iso-abbrev): Adv. Mater. Weinheim

Title: Advanced materials (Deerfield Beach, Fla.)

Publisher: Wiley-Blackwell

ISSN (Electronic): 1521-4095

ISSN (Print): 0935-9648

Publication date (Electronic): Apr 13 2016

Volume: 28

Issue: 14

Affiliations

[1 ] Department of Chemistry, School of Science and Technology, Kwansei Gakuin University, 2-1 Gakuen, Sanda, Hyogo, 669-1337, Japan.

[2 ] PRESTO, Japan Science and Technology Agency, 5, Sanbancho, Chiyoda, Tokyo, 102-0075, Japan.

[3 ] JNC Petrochemical Corporation, 5-1 Goi Kaigan, Ichihara, Chiba, 290-8551, Japan.

Article

DOI: 10.1002/adma.201505491

PubMed ID: 26865384

SO-VID: b8637bfd-678d-4e60-ac10-4a2701e71fe6

History

Keywords: full-width at half-maximum,organic light-emitting diodes,organoboron,resonance effect,thermally activated delayed fluorescence

Data availability:

Keywords: full-width at half-maximum, organic light-emitting diodes, organoboron, resonance effect, thermally activated delayed fluorescence

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