Organic phototransistor based on intramolecular charge transfer in a bifunctional spiro compound
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- Tobat P. I Saragi
- Macromolecular Chemistry and Molecular Materials, Department of Science and Center for Interdisciplinary Nanostructure Science and Technology, University of Kassel, Heinrich-Plett-Strasse 40, D 34109 Kassel, Germany
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- Robert Pudzich
- Macromolecular Chemistry and Molecular Materials, Department of Science and Center for Interdisciplinary Nanostructure Science and Technology, University of Kassel, Heinrich-Plett-Strasse 40, D 34109 Kassel, Germany
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- Thomas Fuhrmann
- Macromolecular Chemistry and Molecular Materials, Department of Science and Center for Interdisciplinary Nanostructure Science and Technology, University of Kassel, Heinrich-Plett-Strasse 40, D 34109 Kassel, Germany
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- Josef Salbeck
- Macromolecular Chemistry and Molecular Materials, Department of Science and Center for Interdisciplinary Nanostructure Science and Technology, University of Kassel, Heinrich-Plett-Strasse 40, D 34109 Kassel, Germany
書誌事項
- 公開日
- 2004-03-29
- DOI
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- 10.1063/1.1690110
- 公開者
- AIP Publishing
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説明
<jats:p>We report on the fabrication of organic phototransistors based on the spiro-conjugated molecule 2,7-bis-(N,N′-diphenylamino)-2′,7′-bis(biphenyl-4-yl)-9,9′-spirobifluorene. Intramolecular charge transfer leads to an increase in charge carrier density, providing the amplification effect. The sensitivity is better than 1 A/W for ultraviolet light at 370 nm, making the device interesting for sensor applications.</jats:p>
収録刊行物
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- Applied Physics Letters
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Applied Physics Letters 84 (13), 2334-2336, 2004-03-29
AIP Publishing