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Volanti DP, Felix AA, Suman PH, et al. Monitoring a CuO gas sensor at work: an advanced in situ X-ray absorption spectroscopy study. Phys Chem Chem Phys. 2015;17(28):18761-7doi: 10.1039/c5cp02150b.
Volanti, D. P., Felix, A. A., Suman, P. H., Longo, E., Varela, J. A., & Orlandi, M. O. (2015). Monitoring a CuO gas sensor at work: an advanced in situ X-ray absorption spectroscopy study. Physical chemistry chemical physics : PCCP, 17(28), 18761-7. https://doi.org/10.1039/c5cp02150b
Volanti, D P, et al. "Monitoring a CuO gas sensor at work: an advanced in situ X-ray absorption spectroscopy study." Physical chemistry chemical physics : PCCP vol. 17,28 (2015): 18761-7. doi: https://doi.org/10.1039/c5cp02150b
Volanti DP, Felix AA, Suman PH, Longo E, Varela JA, Orlandi MO. Monitoring a CuO gas sensor at work: an advanced in situ X-ray absorption spectroscopy study. Phys Chem Chem Phys. 2015 Jul 28;17(28):18761-7. doi: 10.1039/c5cp02150b. PMID: 26119265.
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Phys Chem Chem Phys. 2015 Jul 28;17(28):18761-7. doi: 10.1039/c5cp02150b.

Monitoring a CuO gas sensor at work: an advanced in situ X-ray absorption spectroscopy study.

Physical chemistry chemical physics : PCCP

D P Volanti, A A Felix, P H Suman, E Longo, J A Varela, M O Orlandi

Affiliations

  1. Depto de Química e Ciências Ambientais, Instituto de Biociências, Letras e Ciências Exatas, UNESP - Univ Estadual Paulista, São José do Rio Preto, 15054-000, Brazil.

PMID: 26119265 DOI: 10.1039/c5cp02150b

Abstract

X-ray absorption near edge structure (XANES) and electrical measurements were used to elucidate the local structure and electronic changes of copper(II) oxide (CuO) nanostructures under working conditions. For this purpose, a sample holder layout was developed enabling the simultaneous analysis of the spectroscopic and electrical properties of the sensor material under identical operating conditions. The influence of different carrier gases (e.g., air and N2) on the CuO nanostructures behavior under reducing conditions (H2 gas) was studied to analyze how a particular gas atmosphere can modify the oxidation state of the sensor material in real time.

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