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Optical properties of nanowires based on a blend of poly (9,9-dioctylfluorene) [PFO] and poly(9,9-dioctyl fluorene-alt-benzothiadiazole) [F8BT]

Khalil, G. E.; Adawi, A. M.; Lidzey, D. G.

Authors

G. E. Khalil

D. G. Lidzey



Abstract

Near-field and far-field optical microscopy are used to study the optical properties of nanowires based on a blend of 95% poly (9,9-dioctylfluorene) [PFO] doped with 5% poly (9,9-dioctylfluorene-alt-benzothiadiazole) [F8BT]. Single nanowires were imaged and optical investigations revealed that they act as nanoscale optical waveguides. Investigation using polarization-resolved far-field PL spectroscopy revealed emission from the nanowires was strongly anisotropic having preferred axial polarization. This suggests that a significant number of the polymer chains are oriented along the nanowire axis.

Citation

Khalil, G. E., Adawi, A. M., & Lidzey, D. G. (2020). Optical properties of nanowires based on a blend of poly (9,9-dioctylfluorene) [PFO] and poly(9,9-dioctyl fluorene-alt-benzothiadiazole) [F8BT]. Physica E: Low-dimensional Systems and Nanostructures, 118, Article 113829. https://doi.org/10.1016/j.physe.2019.113829

Journal Article Type Article
Acceptance Date Nov 18, 2019
Online Publication Date Nov 21, 2019
Publication Date 2020-04
Deposit Date Feb 6, 2020
Publicly Available Date Nov 22, 2020
Journal Physica E: Low-Dimensional Systems and Nanostructures
Print ISSN 1386-9477
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 118
Article Number 113829
DOI https://doi.org/10.1016/j.physe.2019.113829
Keywords Polarization-resolved PL spectroscopy; Nanodevices; Organic semiconductors; Optical waveguide; Nanowire; Near and Far-field PL spectroscopy
Public URL https://hull-repository.worktribe.com/output/3225910

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