Electrochemical determination of the ionization potential and electron affinity of poly(9,9-dioctylfluorene)

S. Janietz; D. D.C. Bradley; M. Grell; C. Giebeler; M. Inbasekaran; E. P. Woo

doi:10.1063/1.122479

Electrochemical determination of the ionization potential and electron affinity of poly(9,9-dioctylfluorene)

S. Janietz, D. D.C. Bradley, M. Grell, C. Giebeler, M. Inbasekaran, E. P. Woo

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

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Abstract

We report cyclic voltammetry measurements for the blue electroluminescent conjugated polymer poly(9,9-dioctylfluorene). Both oxidation and reduction potentials are determined and thus estimates of both the ionization potential Ip and electron affinity Ea of the polymer are obtained for the same sample under the same experimental conditions. We estimate Ip=5.80eV and Ea=2.12eV. These results disagree with the common assumption that Ea is, to good approximation, given by the difference between Ip and the optical gap. Measurements on indium tin oxide/polyfluorene/calcium light emitting diode structures are consistent with the deductions from the electrochemical data. © 1998 American Institute of Physics.

Original language	English (US)
Journal	Applied Physics Letters
Volume	73
Issue number	17
DOIs	https://doi.org/10.1063/1.122479
State	Published - Dec 1 1998
Externally published	Yes

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title = "Electrochemical determination of the ionization potential and electron affinity of poly(9,9-dioctylfluorene)",

abstract = "We report cyclic voltammetry measurements for the blue electroluminescent conjugated polymer poly(9,9-dioctylfluorene). Both oxidation and reduction potentials are determined and thus estimates of both the ionization potential Ip and electron affinity Ea of the polymer are obtained for the same sample under the same experimental conditions. We estimate Ip=5.80eV and Ea=2.12eV. These results disagree with the common assumption that Ea is, to good approximation, given by the difference between Ip and the optical gap. Measurements on indium tin oxide/polyfluorene/calcium light emitting diode structures are consistent with the deductions from the electrochemical data. {\textcopyright} 1998 American Institute of Physics.",

author = "S. Janietz and Bradley, {D. D.C.} and M. Grell and C. Giebeler and M. Inbasekaran and Woo, {E. P.}",

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doi = "10.1063/1.122479",

language = "English (US)",

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TY - JOUR

T1 - Electrochemical determination of the ionization potential and electron affinity of poly(9,9-dioctylfluorene)

AU - Janietz, S.

AU - Bradley, D. D.C.

AU - Grell, M.

AU - Giebeler, C.

AU - Inbasekaran, M.

AU - Woo, E. P.

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

PY - 1998/12/1

Y1 - 1998/12/1

N2 - We report cyclic voltammetry measurements for the blue electroluminescent conjugated polymer poly(9,9-dioctylfluorene). Both oxidation and reduction potentials are determined and thus estimates of both the ionization potential Ip and electron affinity Ea of the polymer are obtained for the same sample under the same experimental conditions. We estimate Ip=5.80eV and Ea=2.12eV. These results disagree with the common assumption that Ea is, to good approximation, given by the difference between Ip and the optical gap. Measurements on indium tin oxide/polyfluorene/calcium light emitting diode structures are consistent with the deductions from the electrochemical data. © 1998 American Institute of Physics.

AB - We report cyclic voltammetry measurements for the blue electroluminescent conjugated polymer poly(9,9-dioctylfluorene). Both oxidation and reduction potentials are determined and thus estimates of both the ionization potential Ip and electron affinity Ea of the polymer are obtained for the same sample under the same experimental conditions. We estimate Ip=5.80eV and Ea=2.12eV. These results disagree with the common assumption that Ea is, to good approximation, given by the difference between Ip and the optical gap. Measurements on indium tin oxide/polyfluorene/calcium light emitting diode structures are consistent with the deductions from the electrochemical data. © 1998 American Institute of Physics.

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DO - 10.1063/1.122479

M3 - Article

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VL - 73

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 17

ER -

Electrochemical determination of the ionization potential and electron affinity of poly(9,9-dioctylfluorene)

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