Articles | Volume 5, issue 1
Regular research article
25 May 2016
Regular research article |  | 25 May 2016

High-temperature stable indium oxide photonic crystals: transducer material for optical and resistive gas sensing

Sabrina Amrehn, Xia Wu, and Thorsten Wagner


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Short summary
Indium oxide inverse opal is a promising new material for optical gas sensors. The photonic properties caused by the inverse opal structure can be utilized to read out the sensors’ electronical state by optical methods. The maintenance of good thermal stability of transducer material during operation is a minimum requirement. We present results on the synthesis and investigation of the structural stability of the In2O3 inverse opal structure up to a temperature of 550 °C (limit of substrate).