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Xiong L, Fletcher AM, Davies SG, et al. A simultaneous voltammetric temperature and humidity sensor. Analyst. 2012;137(21):4951-7doi: 10.1039/c2an35939a.
Xiong, L., Fletcher, A. M., Davies, S. G., Norman, S. E., Hardacre, C., & Compton, R. G. (2012). A simultaneous voltammetric temperature and humidity sensor. The Analyst, 137(21), 4951-7. https://doi.org/10.1039/c2an35939a
Xiong, Linhongjia, et al. "A simultaneous voltammetric temperature and humidity sensor." The Analyst vol. 137,21 (2012): 4951-7. doi: https://doi.org/10.1039/c2an35939a
Xiong L, Fletcher AM, Davies SG, Norman SE, Hardacre C, Compton RG. A simultaneous voltammetric temperature and humidity sensor. Analyst. 2012 Nov 07;137(21):4951-7. doi: 10.1039/c2an35939a. Epub 2012 Sep 24. PMID: 23001184.
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Analyst. 2012 Nov 07;137(21):4951-7. doi: 10.1039/c2an35939a. Epub 2012 Sep 24.

A simultaneous voltammetric temperature and humidity sensor.

The Analyst

Linhongjia Xiong, Ai M Fletcher, Stephen G Davies, Sarah E Norman, Christopher Hardacre, Richard G Compton

Affiliations

  1. Department of Chemistry, Physical and Theoretical Chemistry Laboratory, University of Oxford, South Parks Road, Oxford OX1 3QZ, UK.

PMID: 23001184 DOI: 10.1039/c2an35939a

Abstract

We report the simultaneous measurement of temperature and humidity by analysing square wave voltammetric responses of two ferrocene derivatives, decamethylferrocene (DmFc) and 1,2-diferrocenylethylene (bisferrocene, BisFc) in 1-(2-methoxyethyl)-1-methyl-pyrrolidinium tris(pentafluoroethyl)trifluorophosphate ([Moepyrr][FAP]). These two molecules produce three peaks in square wave voltammetry. Through study of the peak potentials of BisFc/BisFc(+) (vs. DmFc/DmFc(+)) and BisFc(+)/BisFc(2+) (vs. DmFc/DmFc(+)) over a temperature range of 298 K to 318 K and humidity range of 1% to 50% using square wave voltammetry, the temperature and humidity dependences of the relative peak potentials were investigated. A reliable method to calculate the humidity and temperature based on the voltammetric experiment is characterised and demonstrated.

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