Lack of selectivity is the most severe limitation of metal oxide based gas sensors (MOX). Attempts to enhance performance through the integration of chemically active filters have been hindered by the lack of flexibility of state-of-the-art technologies (based on the use of preprocessed powders for the synthesis of sensing films). This illustrates the need for improvement in both technological development and the basic understanding of sensing mechanisms. The resulting project aims at developing a coherent, application-specific design and synthetic methodology through in situ production and deposition of multi-component porous layers. The development of this R & D methodology is based on Flame Spray Pyrolysis (FSP) in combination with Operando sensor characterizations, which are conducted at the University of Tübingen.
OASIS is a joint project between the University of Bremen and the University of Tübingen.
Funding: German Research Foundation
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