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Issue 34, 2015
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Graphite on paper as material for sensitive thermoresistive sensors

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Abstract

This paper reports on the thermoresistive properties of graphite on paper (GOP). A negative temperature coefficient of resistance (TCR) from −2900 to −4400 ppm K−1 was observed for the GOP. This negative and large TCR is attributed to an increase in the thermionic emission current over a low potential barrier with increasing temperature. The potential barrier was found to be 33 meV between the graphite grains. The paper also demonstrates the use of the GOP in a highly sensitive (0.83 mV (m s−1)−0.8 mW−1) GOP-based anemometer, indicating strong feasibility of using this material for low-cost and sensitive thermal sensing applications.

Graphical abstract: Graphite on paper as material for sensitive thermoresistive sensors

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Publication details

The article was received on 05 Jun 2015, accepted on 15 Jul 2015 and first published on 17 Jul 2015


Article type: Communication
DOI: 10.1039/C5TC01650A
Author version available: Download Author version (PDF)
Citation: J. Mater. Chem. C, 2015,3, 8776-8779
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    Graphite on paper as material for sensitive thermoresistive sensors

    T. Dinh, H. Phan, D. V. Dao, P. Woodfield, A. Qamar and N. Nguyen, J. Mater. Chem. C, 2015, 3, 8776
    DOI: 10.1039/C5TC01650A

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