A highly sensitive oxygen sensor operating at room temperature based on platinum-doped In2O3 nanocrystals

Giovanni Neri; Anna Bonavita; Giuseppe Micali; Giuseppe Rizzo; Signorino Galvagno; Markus Niederberger; Nicola Pinna

doi:10.1039/B510832B

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A highly sensitive oxygen sensor operating at room temperature based on platinum-doped In₂O₃nanocrystals

Giovanni Neri,^a Anna Bonavita,^a Giuseppe Micali,*^a Giuseppe Rizzo,^a Signorino Galvagno,^a Markus Niederberger^b and Nicola Pinna^c

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* Corresponding authors

^a Dept. of Industrial Chemistry and Materials Engineering, University of Messina, C/da di Dio, Vill. S.Agata, Italy
E-mail: neri@ingegneria.unime.it
Fax: +390903977464
Tel: +390903977241

^b Max-Planck-Institute of Colloids and Interfaces, Germany

^c Martin-Luther-Universität Halle-Wittenberg, Institut für Anorganische Chemie, Kurt-Mothes-Strasse 2, Germany

Abstract

Semiconducting In₂O₃ nanocrystals, synthesised via a nonaqueous sol–gel method and doped with 1 wt% of platinum, have shown to possess a unique high sensitivity to oxygen at room temperature (RT). Consequently, a Pt/In₂O₃-based oxygen sensor for room temperature operation has been developed showing higher performance compared to the state-of-the-art devices.

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Article information

DOI: https://doi.org/10.1039/B510832B
Article type: Communication
Submitted: 29 Jul 2005
Accepted: 11 Oct 2005
First published: 08 Nov 2005

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Chem. Commun., 2005, 6032-6034

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A highly sensitive oxygen sensor operating at room temperature based on platinum-doped In₂O₃ nanocrystals

G. Neri, A. Bonavita, G. Micali, G. Rizzo, S. Galvagno, M. Niederberger and N. Pinna, Chem. Commun., 2005, 6032 DOI: 10.1039/B510832B

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