A solvent-free and vacuum-free melt-processing method to fabricate organic semiconducting layers with large crystal size for organic electronic applications

Jean Charles Ribierre, Zhao Li, Xiao Liu, Emmanuelle Lacaze, Benoît Heinrich, Stephane Méry, Piotr Sleczkowski, Yiming Xiao, Frédéric Lafolet, Daisuke Hashizume, Tetsuya Aoyama, Masanobu Uchiyama, Jeong Weon Wu, Elena Zaborova, Frédéric Fages, Anthony D'Aléo, Fabrice Mathevet, Chihaya Adachi

研究成果: ジャーナルへの寄稿記事

4 引用 (Scopus)

抄録

We report on an improved melt-processing method to prepare organic semiconducting layers with large crystal size and enhanced charge carrier mobilities. The organic compound used in this work is a solution-processable oligo(p-phenylene vinylene) derivative substituted at both ends with pyrene moieties. Accurate control of the temperature during the recrystallization of this compound from the melt enables the formation of large single crystal monodomains in thin films. The melt-processed organic layer shows higher mobilities in transistor configuration than in spin-coated films, which can be attributed to the presence of large-size crystalline monodomains as evidenced by X-ray diffraction measurements. We also investigated the photophysical properties of this material in spin-coated and melted films and found an increase of the photoluminescence quantum yield with the size of the crystals in the organic layer. The advantage of this method over the spin coating also allowed observation of amplified spontaneous emission that was only achieved in the melted film due to its improved luminescence efficiency. Overall, this study demonstrates a simple and versatile method, which does not require the use of any solvent and vacuum, to fabricate organic layers with large crystal size, suitable for the realization of organic electronic and light-emitting devices.

元の言語英語
ページ(範囲)3190-3198
ページ数9
ジャーナルJournal of Materials Chemistry C
7
発行部数11
DOI
出版物ステータス出版済み - 1 1 2019

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Vacuum
Crystals
Processing
Spontaneous emission
Carrier mobility
Pyrene
Spin coating
Quantum yield
Charge carriers
Organic compounds
Luminescence
Photoluminescence
Transistors
Single crystals
Crystalline materials
Derivatives
X ray diffraction
Thin films
Temperature
pyrene

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Chemistry

これを引用

A solvent-free and vacuum-free melt-processing method to fabricate organic semiconducting layers with large crystal size for organic electronic applications. / Ribierre, Jean Charles; Li, Zhao; Liu, Xiao; Lacaze, Emmanuelle; Heinrich, Benoît; Méry, Stephane; Sleczkowski, Piotr; Xiao, Yiming; Lafolet, Frédéric; Hashizume, Daisuke; Aoyama, Tetsuya; Uchiyama, Masanobu; Wu, Jeong Weon; Zaborova, Elena; Fages, Frédéric; D'Aléo, Anthony; Mathevet, Fabrice; Adachi, Chihaya.

:: Journal of Materials Chemistry C, 巻 7, 番号 11, 01.01.2019, p. 3190-3198.

研究成果: ジャーナルへの寄稿記事

Ribierre, JC, Li, Z, Liu, X, Lacaze, E, Heinrich, B, Méry, S, Sleczkowski, P, Xiao, Y, Lafolet, F, Hashizume, D, Aoyama, T, Uchiyama, M, Wu, JW, Zaborova, E, Fages, F, D'Aléo, A, Mathevet, F & Adachi, C 2019, 'A solvent-free and vacuum-free melt-processing method to fabricate organic semiconducting layers with large crystal size for organic electronic applications', Journal of Materials Chemistry C, 巻. 7, 番号 11, pp. 3190-3198. https://doi.org/10.1039/c8tc04834g
Ribierre, Jean Charles ; Li, Zhao ; Liu, Xiao ; Lacaze, Emmanuelle ; Heinrich, Benoît ; Méry, Stephane ; Sleczkowski, Piotr ; Xiao, Yiming ; Lafolet, Frédéric ; Hashizume, Daisuke ; Aoyama, Tetsuya ; Uchiyama, Masanobu ; Wu, Jeong Weon ; Zaborova, Elena ; Fages, Frédéric ; D'Aléo, Anthony ; Mathevet, Fabrice ; Adachi, Chihaya. / A solvent-free and vacuum-free melt-processing method to fabricate organic semiconducting layers with large crystal size for organic electronic applications. :: Journal of Materials Chemistry C. 2019 ; 巻 7, 番号 11. pp. 3190-3198.
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abstract = "We report on an improved melt-processing method to prepare organic semiconducting layers with large crystal size and enhanced charge carrier mobilities. The organic compound used in this work is a solution-processable oligo(p-phenylene vinylene) derivative substituted at both ends with pyrene moieties. Accurate control of the temperature during the recrystallization of this compound from the melt enables the formation of large single crystal monodomains in thin films. The melt-processed organic layer shows higher mobilities in transistor configuration than in spin-coated films, which can be attributed to the presence of large-size crystalline monodomains as evidenced by X-ray diffraction measurements. We also investigated the photophysical properties of this material in spin-coated and melted films and found an increase of the photoluminescence quantum yield with the size of the crystals in the organic layer. The advantage of this method over the spin coating also allowed observation of amplified spontaneous emission that was only achieved in the melted film due to its improved luminescence efficiency. Overall, this study demonstrates a simple and versatile method, which does not require the use of any solvent and vacuum, to fabricate organic layers with large crystal size, suitable for the realization of organic electronic and light-emitting devices.",
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AU - Lacaze, Emmanuelle

AU - Heinrich, Benoît

AU - Méry, Stephane

AU - Sleczkowski, Piotr

AU - Xiao, Yiming

AU - Lafolet, Frédéric

AU - Hashizume, Daisuke

AU - Aoyama, Tetsuya

AU - Uchiyama, Masanobu

AU - Wu, Jeong Weon

AU - Zaborova, Elena

AU - Fages, Frédéric

AU - D'Aléo, Anthony

AU - Mathevet, Fabrice

AU - Adachi, Chihaya

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