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Molecule based monochromatic and polychromatic OLEDs with wet process feasibility

Abstract

Wet-process enables organic light-emitting diodes (OLEDs) to be made cost-effective via 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 the 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 material for wet-process feasible OLEDs, (ii) the applicable wet-process technologies and (iii) the reported wet-processed mono- and polychromatic OLED devices with sound efficiency performance. At 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. They include issues such as multiple-layer feasibility, film integrity, film forming capability, and device lifetime.

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Publication details

The article was received on 22 Aug 2018, accepted on 02 Oct 2018 and first published on 04 Oct 2018


Article type: Review Article
DOI: 10.1039/C8TC04203A
Citation: J. Mater. Chem. C, 2018, Accepted Manuscript
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    Molecule based monochromatic and polychromatic OLEDs with wet process feasibility

    J. Jou, S. Sahoo, D. K. Dubey, R. A. K. Yadav, S. S. Sudheendran and S. Chavhan, J. Mater. Chem. C, 2018, Accepted Manuscript , DOI: 10.1039/C8TC04203A

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