Low thresholds for a nonconventional polymer blend-Amplified spontaneous emission and lasing in F81-
x: SYx system

Muhammad Umair Hassan; Yee Chen Liu; Haider Butt; Kamran ul Hasan; Jui Fen Chang; Ayooye Abigael Olawoyin; Richard Henry Friend

doi:10.1002/polb.23947

Low thresholds for a nonconventional polymer blend-Amplified spontaneous emission and lasing in F8_1- _x: SY_x system

Muhammad Umair Hassan^*, Yee Chen Liu, Haider Butt, Kamran ul Hasan, Jui Fen Chang, Ayooye Abigael Olawoyin, Richard Henry Friend

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

292 Downloads (Pure)

Abstract

A mixture of two polymer materials, poly (9,9-dioctylfluorene) (F8), and one of the poly(para-phenylenevinylene) derivatives, superyellow (SY) have been used to make F8_1- _x:SY_x polymer blend system. Under a 3-5 ns pulsed-laser excitation, this system showed excellent optical properties with low threshold values of ≈14 μJ/cm² and ≈8 μJ/cm² for amplified spontaneous emission and optically pumped lasing, respectively. The proposed system was also electroluminescent and an interesting candidate for future research on polymer injection lasers.

Original language	English
Pages (from-to)	15–21
Journal	Journal of Polymer Science. Part B, Polymer Physics
Volume	54
Issue number	1
Early online date	22 Oct 2015
DOIs	https://doi.org/10.1002/polb.23947
Publication status	Published - Jan 2016

Keywords

Amplified spontaneous emission
Low threshold
Optical pumping
Polymer blend

ASJC Scopus subject areas

Materials Chemistry
Polymers and Plastics
Condensed Matter Physics
Physical and Theoretical Chemistry

Access to Document

10.1002/polb.23947

Hassan_et_al_Low_thresholds_nonconventional_polymer_blend_Journal_Polymer_Science_Post-Print
This is the peer reviewed version of the following article: Hassan, M. U., Liu, Y.-C., Butt, H., Hasan, K. u., Chang, J.-F., Olawoyin, A. A. and Friend, R. H. (2016), Low thresholds for a nonconventional polymer blend—Amplified spontaneous emission and lasing in F81−x:SYx system. J. Polym. Sci. B Polym. Phys., 54: 15–21, which has been published in final form at: http:/dx.doi.org/10.1002/polb.23947. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving. Validated Feb 2016
Accepted author manuscript, 1.12 MBLicence: None: All rights reserved

Cite this

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Low thresholds for a nonconventional polymer blend-Amplified spontaneous emission and lasing in F81- x: SYx system