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Issue 36, 2019
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Nanoscale thermal mapping of few-layer organic crystals

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Abstract

Thermal stability and thermal management are critical to the performance of organic transistors/solar cells. However, these properties are rarely studied due to the limited techniques for measuring the thermal conduction of organic thin-film crystals. Using an active mode scanning thermal microscope (SThM), we quantitatively measured the thermal map of layered 1,4-bis(4-methylstyryl)benzene (BSB-Me) thin-film crystals. The out-of-plane thermal conductivity was calculated to be ∼0.15–0.20 W m−1 K−1 by comparing the temperature distributions of the thermal probe with the results of COMSOL Multiphysics simulations. This thickness-dependent SThM measurement provides important thermal-transport information of organic thin-film devices, where thermal dissipation is crucial.

Graphical abstract: Nanoscale thermal mapping of few-layer organic crystals

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Publication details

The article was received on 29 May 2019, accepted on 17 Jul 2019 and first published on 18 Jul 2019


Article type: Paper
DOI: 10.1039/C9CE00827F
CrystEngComm, 2019,21, 5402-5409

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    Nanoscale thermal mapping of few-layer organic crystals

    Y. Zhang, C. Zhang, D. Wei, X. Bai and X. Xu, CrystEngComm, 2019, 21, 5402
    DOI: 10.1039/C9CE00827F

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