Photoluminescence quenching in a polymer thin-film field-effect luministor

Peter Dyreklev; Olle Inganäs; Jari Paloheimo; Henrik Stubb

doi:10.1063/1.351010

Photoluminescence quenching in a polymer thin-film field-effect luministor

Peter Dyreklev, Olle Inganäs, Jari Paloheimo, Henrik Stubb

VTT Technical Research Centre of Finland

University of Linköping

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

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Abstract

We report the observation of photoluminescence quenching in thin films of poly(3‐hexylthiophene) and Langmuir–Blodgett films of poly(3‐hexylthiophene)/arachidic acid by the injection of positive charges in the polymer. Charge injection was made in a polymer field effect transistor, used in what we name the luministor mode. The quenching is discussed in terms of polarons/bipolarons acting as recombination centra for the excitons, suppressing the photoluminescence. The inverse phenomenon, luminescence enhancement by depletion of charges, has also been achieved.

Original language	English
Pages (from-to)	2816-2820
Journal	Journal of Applied Physics
Volume	71
Issue number	6
DOIs	https://doi.org/10.1063/1.351010
Publication status	Published - 1992
MoE publication type	A1 Journal article-refereed

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abstract = "We report the observation of photoluminescence quenching in thin films of poly(3‐hexylthiophene) and Langmuir–Blodgett films of poly(3‐hexylthiophene)/arachidic acid by the injection of positive charges in the polymer. Charge injection was made in a polymer field effect transistor, used in what we name the luministor mode. The quenching is discussed in terms of polarons/bipolarons acting as recombination centra for the excitons, suppressing the photoluminescence. The inverse phenomenon, luminescence enhancement by depletion of charges, has also been achieved.",

author = "Peter Dyreklev and Olle Ingan{\"a}s and Jari Paloheimo and Henrik Stubb",

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T1 - Photoluminescence quenching in a polymer thin-film field-effect luministor

AU - Dyreklev, Peter

AU - Inganäs, Olle

AU - Paloheimo, Jari

AU - Stubb, Henrik

N1 - Project code: PUO9021

PY - 1992

Y1 - 1992

N2 - We report the observation of photoluminescence quenching in thin films of poly(3‐hexylthiophene) and Langmuir–Blodgett films of poly(3‐hexylthiophene)/arachidic acid by the injection of positive charges in the polymer. Charge injection was made in a polymer field effect transistor, used in what we name the luministor mode. The quenching is discussed in terms of polarons/bipolarons acting as recombination centra for the excitons, suppressing the photoluminescence. The inverse phenomenon, luminescence enhancement by depletion of charges, has also been achieved.

AB - We report the observation of photoluminescence quenching in thin films of poly(3‐hexylthiophene) and Langmuir–Blodgett films of poly(3‐hexylthiophene)/arachidic acid by the injection of positive charges in the polymer. Charge injection was made in a polymer field effect transistor, used in what we name the luministor mode. The quenching is discussed in terms of polarons/bipolarons acting as recombination centra for the excitons, suppressing the photoluminescence. The inverse phenomenon, luminescence enhancement by depletion of charges, has also been achieved.

U2 - 10.1063/1.351010

DO - 10.1063/1.351010

M3 - Article

SN - 0021-8979

VL - 71

SP - 2816

EP - 2820

JO - Journal of Applied Physics

JF - Journal of Applied Physics

IS - 6

ER -

Photoluminescence quenching in a polymer thin-film field-effect luministor

Abstract

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