Hydrazine Detection during Ammonia Electro-oxidation Using an Aggregation-Induced Emission Dye

Ammonia electro-oxidation is an extremely significant reaction with regards to the nitrogen cycle, hydrogen economy, and wastewater remediation. The design of efficient electrocatalysts for use in ammonia (AOR) requires comprehensive understanding mechanism intermediates involved. In this study, aggregation-induced emission (AIE), a robust fluorescence sensing platform, employed sensitive qualitative detection hydrazine (N2H4), one important during AOR. Here, we successfully identified N2H4 as main intermediate AOR on model Pt/C electrocatalyst using 4-(1,2,2-triphenylvinyl)benzaldehyde (TPE-CHO), luminogen (AIEgen). We propose Pt being formed dimerization process (NH2 coupling) within framework Gerischer Mauerer mechanism. unique chemodosimeter approach demonstrated study opens novel pathway electrochemical reactions depth.