Langmuir and Langmuir-Blodgett (LB) film properties of poly(9,9-dioctylfluorene)

O. Worsfold; J. Hill; S. Y. Heriot; A. M. Fox; D. D.C. Bradley; T. H. Richardson

doi:10.1016/S0928-4931(03)00029-8

Langmuir and Langmuir-Blodgett (LB) film properties of poly(9,9-dioctylfluorene)

O. Worsfold, J. Hill, S. Y. Heriot, A. M. Fox, D. D.C. Bradley, T. H. Richardson

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

20 Scopus citations

Abstract

The Langmuir (L) and Langmuir-Blodgett (LB) properties of a prototypical member of the polyfluorene family of commercially viable organic light emitting diode (OLED) materials, namely poly(9,9-dioctylfluorene) (PFO) are reported. The Langmuir monolayer was characterised by π-A isotherms. UV-Visible absorption spectroscopy demonstrated the existence of PFO within the β-phase conformation (exhibiting extended conjugation lengths) in the Langmuir monolayer on the water surface, as evidenced by the presence of a well-resolved peak at 435 nm. A high boiling point solvent (xylene) was used in the monolayer to facilitate LB film deposition, which was performed on glass and silicon substrates. Langmuir-Blodgett films of PFO were deposited at a range of pressures (2-15 mN m-1) and deposition speeds (100-1000 mm min-1). The LB films were characterised by photoluminescence spectroscopy and decay dynamics, by fluorescence microscopy, and by UV-Visible absorption spectroscopy. The latter measurements demonstrated that the β-phase component remained present after film deposition. © 2003 Elsevier Science B.V. All rights reserved.

Original language	English (US)
Journal	Materials Science and Engineering C
Volume	23
Issue number	4
DOIs	https://doi.org/10.1016/S0928-4931(03)00029-8
State	Published - Jun 10 2003
Externally published	Yes

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title = "Langmuir and Langmuir-Blodgett (LB) film properties of poly(9,9-dioctylfluorene)",

abstract = "The Langmuir (L) and Langmuir-Blodgett (LB) properties of a prototypical member of the polyfluorene family of commercially viable organic light emitting diode (OLED) materials, namely poly(9,9-dioctylfluorene) (PFO) are reported. The Langmuir monolayer was characterised by π-A isotherms. UV-Visible absorption spectroscopy demonstrated the existence of PFO within the β-phase conformation (exhibiting extended conjugation lengths) in the Langmuir monolayer on the water surface, as evidenced by the presence of a well-resolved peak at 435 nm. A high boiling point solvent (xylene) was used in the monolayer to facilitate LB film deposition, which was performed on glass and silicon substrates. Langmuir-Blodgett films of PFO were deposited at a range of pressures (2-15 mN m-1) and deposition speeds (100-1000 mm min-1). The LB films were characterised by photoluminescence spectroscopy and decay dynamics, by fluorescence microscopy, and by UV-Visible absorption spectroscopy. The latter measurements demonstrated that the β-phase component remained present after film deposition. {\textcopyright} 2003 Elsevier Science B.V. All rights reserved.",

author = "O. Worsfold and J. Hill and Heriot, {S. Y.} and Fox, {A. M.} and Bradley, {D. D.C.} and Richardson, {T. H.}",

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T1 - Langmuir and Langmuir-Blodgett (LB) film properties of poly(9,9-dioctylfluorene)

AU - Worsfold, O.

AU - Hill, J.

AU - Heriot, S. Y.

AU - Fox, A. M.

AU - Bradley, D. D.C.

AU - Richardson, T. H.

N1 - Generated from Scopus record by KAUST IRTS on 2019-11-27

PY - 2003/6/10

Y1 - 2003/6/10

N2 - The Langmuir (L) and Langmuir-Blodgett (LB) properties of a prototypical member of the polyfluorene family of commercially viable organic light emitting diode (OLED) materials, namely poly(9,9-dioctylfluorene) (PFO) are reported. The Langmuir monolayer was characterised by π-A isotherms. UV-Visible absorption spectroscopy demonstrated the existence of PFO within the β-phase conformation (exhibiting extended conjugation lengths) in the Langmuir monolayer on the water surface, as evidenced by the presence of a well-resolved peak at 435 nm. A high boiling point solvent (xylene) was used in the monolayer to facilitate LB film deposition, which was performed on glass and silicon substrates. Langmuir-Blodgett films of PFO were deposited at a range of pressures (2-15 mN m-1) and deposition speeds (100-1000 mm min-1). The LB films were characterised by photoluminescence spectroscopy and decay dynamics, by fluorescence microscopy, and by UV-Visible absorption spectroscopy. The latter measurements demonstrated that the β-phase component remained present after film deposition. © 2003 Elsevier Science B.V. All rights reserved.

AB - The Langmuir (L) and Langmuir-Blodgett (LB) properties of a prototypical member of the polyfluorene family of commercially viable organic light emitting diode (OLED) materials, namely poly(9,9-dioctylfluorene) (PFO) are reported. The Langmuir monolayer was characterised by π-A isotherms. UV-Visible absorption spectroscopy demonstrated the existence of PFO within the β-phase conformation (exhibiting extended conjugation lengths) in the Langmuir monolayer on the water surface, as evidenced by the presence of a well-resolved peak at 435 nm. A high boiling point solvent (xylene) was used in the monolayer to facilitate LB film deposition, which was performed on glass and silicon substrates. Langmuir-Blodgett films of PFO were deposited at a range of pressures (2-15 mN m-1) and deposition speeds (100-1000 mm min-1). The LB films were characterised by photoluminescence spectroscopy and decay dynamics, by fluorescence microscopy, and by UV-Visible absorption spectroscopy. The latter measurements demonstrated that the β-phase component remained present after film deposition. © 2003 Elsevier Science B.V. All rights reserved.

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U2 - 10.1016/S0928-4931(03)00029-8

DO - 10.1016/S0928-4931(03)00029-8

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SN - 0928-4931

VL - 23

JO - Materials Science and Engineering C

JF - Materials Science and Engineering C

IS - 4

ER -

Langmuir and Langmuir-Blodgett (LB) film properties of poly(9,9-dioctylfluorene)

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