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Dr. Patrícia A. Russo, Dr. Nicola Donato, Dr. Salvatore Gianluca Leonardi, Seunghwan Baek, Dr. Donato E. Conte, Prof. Giovanni Neri and Prof. Nicola Pinna Room-Temperature Hydrogen Sensing with Heteronanostructures Based on Reduced Graphene Oxide and Tin Oxide Angewandte Chemie International Edition 51

Article first published online: 28 SEP 2012 | DOI: 10.1002/anie.201204373

Thumbnail image of graphical abstract

There's something in the air … A nanocomposite consisting of well-dispersed SnO2 and Pt nanoparticles on reduced graphene oxide (see the high-resolution TEM image) exhibited very high responses to hydrogen at concentrations between 0.5 and 3 % in air, with response times of 3–7 s and recovery times of 2–6 s. The sensor was prepared by a straightforward microwave-assisted non-aqueous sol–gel approach.

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