Conference ProceedingsAn Array of ZnO And SnO2 Heterojunction Semiconducting Metal Oxide Gas Sensors Used as a Tool for Explosive DetectionPresenting section:Engineering & Applied Sciences2017Horsfall, Lauren, London UNITED KINGDOM; Blackman, Christopher S., London UNITED KINGDOM; Parkin, Ivan P., London UNITED KINGDOMView the paperEngineering & Applied Sciences