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Issue 6, 2014
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Synthesis and optical reactivity of 6,13-α-diketoprecursors of 2,3,9,10-tetraalkylpentacenes in solution, films and crystals

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Abstract

Tetraalkylpentacenes having alkyl chains at 2,3,9,10-positions (Et-PEN, Pr-PEN and Hex-PEN) were prepared from their precursors Et-PDK, Pr-PDK and Hex-PDK, respectively. Photoreactions proceeded both in solutions, thin-films, and crystals, thus the properties of Et-PDK in films can be studied despite the instability of the pentacenes in solution. Et-PEN showed significantly different aggregation-nature compared with the parent pentacene. The hole mobilities of Et-PEN and Pr-PEN in films were 3.4 × 10−6 and 8.1 × 10−7 cm2 V−1 s−1, respectively, determined by space-charge-limited current measurement, comparable with the order 10−6 cm2 V−1 s−1 of the electron mobility of Alq3.

Graphical abstract: Synthesis and optical reactivity of 6,13-α-diketoprecursors of 2,3,9,10-tetraalkylpentacenes in solution, films and crystals

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Publication details

The article was received on 14 Sep 2013, accepted on 25 Nov 2013 and first published on 25 Nov 2013


Article type: Paper
DOI: 10.1039/C3TC31824A
Citation: J. Mater. Chem. C, 2014,2, 986-993
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    Synthesis and optical reactivity of 6,13-α-diketoprecursors of 2,3,9,10-tetraalkylpentacenes in solution, films and crystals

    S. Katsuta, H. Saeki, K. Tanaka, Y. Murai, D. Kuzuhara, M. Misaki, N. Aratani, S. Masuo, Y. Ueda and H. Yamada, J. Mater. Chem. C, 2014, 2, 986
    DOI: 10.1039/C3TC31824A

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