www.uhasselt.be
DSpace

Document Server@UHasselt >
Research >
Research publications >

Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/18667

Title: Towards fully spray coated organic light emitting devices
Authors: GILISSEN, Koen
STRYCKERS, Jeroen
MANCA, Jean
DEFERME, Wim
Issue Date: 2014
Publisher: SPIE-INT SOC OPTICAL ENGINEERING
Citation: So, Franky; Adachi, Chihaya (Ed.). Proceedings of SPIE
Series/Report: ORGANIC LIGHT EMITTING MATERIALS AND DEVICES XVIII
Series/Report no.: 9183
Abstract: Pi-conjugated polymer light emitting devices have the potential to be the next generation of solid state lighting. In order to achieve this goal, a low cost, efficient and large area production process is essential. Polymer based light emitting devices are generally deposited using techniques based on solution processing e.g.: spin coating, ink jet printing. These techniques are not well suited for cost-effective, high throughput, large area mass production of these organic devices. Ultrasonic spray deposition however, is a deposition technique that is fast, efficient and roll to roll compatible which can be easily scaled up for the production of large area polymer light emitting devices (PLEDs). This deposition technique has already successfully been employed to produce organic photovoltaic devices (OPV)(1). Recently the electron blocking layer PEDOT:PSS2 and metal top contact(3) have been successfully spray coated as part of the organic photovoltaic device stack. In this study, the effects of ultrasonic spray deposition of polymer light emitting devices are investigated. For the first time - to our knowledge -, spray coating of the active layer in PLED is demonstrated. Different solvents are tested to achieve the best possible spray-able dispersion. The active layer morphology is characterized and optimized to produce uniform films with optimal thickness. Furthermore these ultrasonic spray coated films are incorporated in the polymer light emitting device stack to investigate the device characteristics and efficiency. Our results show that after careful optimization of the active layer, ultrasonic spray coating is prime candidate as deposition technique for mass production of PLEDs.
Notes: [Gilissen, Koen; Stryckers, Jeroen; Deferme, Wim] Hasselt Univ, Inst Mat Res IMO IMOMEC Engn Mat & Applicat, B-3590 Diepenbeek, Belgium.
URI: http://hdl.handle.net/1942/18667
DOI: 10.1117/12.2060994
ISI #: 000348036200008
ISBN: 978-1-62841-210-9
ISSN: 0277-786X
Category: C1
Type: Proceedings Paper
Validation: ecoom, 2017
Appears in Collections: Research publications

Files in This Item:

Description SizeFormat
N/A653.67 kBAdobe PDF

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.