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An easy approach to control β-phase formation in PFO films for optimized emission properties

Zhang, Qi and Chi, Lang and Hai, Gang and Fang, Yueting and Li, Xiangchun and Xia, Ruidong and Huang, Wei and Gu, Erdan (2017) An easy approach to control β-phase formation in PFO films for optimized emission properties. Molecules. ISSN 1420-3049

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Abstract

We demonstrate a novel approach to control β-phase content generated in poly(9,9-dioctylfluorene) (PFO) films. A very small amount of paraffin oil was used as the additive to the PFO solution in toluene. The β-phase fraction in the spin-coated PFO films can be modified from 0% to 20% simply by changing the volume percentage of paraffin oil in the mixed solution. Organic light emitting diodes (OLEDs) and amplified spontaneous emission (ASE) study confirmed low β-phase fraction promise better OLEDs device, while high β-phase fraction benefits ASE performance.

Item type: Article
ID code: 60254
Keywords: polymer optoelectronics, poly(9,9-dioctylfluorene), β-phase, amplified spontaneous emission, organic light emitting diode, PFO films, Optics. Light, Chemistry, Chemistry(all), Atomic and Molecular Physics, and Optics
Subjects: Science > Physics > Optics. Light
Science > Chemistry
Department: Faculty of Science > Physics > Institute of Photonics
Technology and Innovation Centre > Photonics
Depositing user: Pure Administrator
Date deposited: 20 Mar 2017 16:41
Last modified: 26 Sep 2017 00:20
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URI: https://strathprints.strath.ac.uk/id/eprint/60254
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