Optical sensor for determination of a gas in a gas mixture, e.g. for fire alarms, includes a gas-sensitive layer comprising a phosphorus or nitrogen base

摘要

Optical sensor for determination of a gas in a gas mixture comprises: (a) a gas-sensitive layer comprising a phosphorus or nitrogen base (I) having numerous and/or long alkyl chains; and (b) a detector for detecting a change in the optical properties of the gas-sensitive layer.