Solution-Processed Organic Light-Emitting Diodes Using a Photo-Crosslinkable Hole-Transporting Layer-Reference-Cited by-同舟云学术

Solution-Processed Organic Light-Emitting Diodes Using a Photo-Crosslinkable Hole-Transporting Layer

Published:2020-08-01 Issue:8 Volume:20 Page:4661-4665
ISSN:1533-4880
Container-title:Journal of Nanoscience and Nanotechnology
language:en
Short-container-title:j nanosci nanotechnol

Author:

Park Jeong Yong¹,Jang Jae-Ho¹,Lee Ji-Hoon²,Hwang Do-Hoon¹

Affiliation:

1. Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan 46241, Republic of Korea

2. Department of Polymer Science and Engineering and Department of IT Convergence, Korea National University of Transportation, Chungju 27469, Republic of Korea

Abstract

Photo-crosslinkable hole transporting layer (HTL) consisting of a blend of poly(bis-4-butylphenyl-N,N-bisphenyl)benzidine (poly-TPD) and bis(4-azido-2,3,5,6-tetrafluorobenzoate) (FPA) was applied to red and green organic light-emitting diodes (OLEDs) by solution processing. This photocrosslinking reaction rendered the HTL insoluble in organic solvents and enabled subsequent solution deposition of an upper emissive layer. The solvent resistance of the photo-crosslinked poly-TPD:FPA (1 wt%) film was enhanced compared to that of the non-crosslinked neat poly-TPD film. Solution-processed red and green OLEDs with the poly-TPD:FPA (1 wt%) photo-crosslinked HTL exhibited higher device performances than those with the non-crosslinked poly-TPD HTL.

Publisher

American Scientific Publishers

Subject

Condensed Matter Physics,General Materials Science,Biomedical Engineering,General Chemistry,Bioengineering

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