Issue 43, 2018

Molecule-based monochromatic and polychromatic OLEDs with wet-process feasibility

Abstract

Wet-process enables organic light-emitting diodes (OLEDs) to be made cost-effectively via a continuous process, such as roll-to-roll manufacturing. Initially, wet-process based OLEDs used to be fabricated with polymer-based emitters and/or host materials. However, small molecules that can be processed using a wet-process are more promising for commercialization due to easier control over their molecular weight, purification, solution viscosity, layer thickness, and uniformity. We have hence reviewed herein (i) what constitutes the essential materials for wet-process feasible OLEDs, (ii) applicable wet-process technologies, and (iii) reported wet-processed mono- and polychromatic OLED devices with sound efficiency performance. And last, but not least, we have pointed out the most critical challenges that wet-processed electronics including OLED must face before gaining sufficient ground for competition and turning into disruptive technology. These include issues such as multiple-layer feasibility, film integrity, film forming capability, and device lifetime.

Graphical abstract: Molecule-based monochromatic and polychromatic OLEDs with wet-process feasibility

Article information

Article type
Review Article
Submitted
22 Aug 2018
Accepted
02 Oct 2018
First published
04 Oct 2018

J. Mater. Chem. C, 2018,6, 11492-11518

Molecule-based monochromatic and polychromatic OLEDs with wet-process feasibility

J. Jou, S. Sahoo, D. K. Dubey, R. A. K. Yadav, S. S. Swayamprabha and S. D. Chavhan, J. Mater. Chem. C, 2018, 6, 11492 DOI: 10.1039/C8TC04203A

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