TeO2 Nanoparticle Loaded Graphitic Carbon Nitride Hybrids: Their Preparation and Catalytic Activities in the Thermal Decomposition of Ammonium Perchlorate

TeO2 nanoparticle‐loaded graphitic carbon nitride hybrids (TeO2NPs/g‐C3N4) were successfully prepared by a calcination strategy. Various characterization and detection techniques were used to analyze its structure and properties. It was found that upon the addition of 10 wt.‐% of the as‐prepared hybrids, the onset decomposition temperature of ammonium perchlorate (AP) decreased by 104.4 °C. In addition, the addition of TeO2 NPs resulted in an increase in the surface area up to 8.8 m2 g–1 for g‐C3N4, which is three times larger than that of the bulk g‐C3N4 (2.8 m2 g–1). Furthermore, g‐C3N4 reacted with HClO4 by Lewis acid–base interaction, which resulted in separation of HClO4 from AP lattice. Notably, the separation of the HClO4 gas molecule led to continued decomposition of AP, as this decomposition reaction is reversible. With this in mind, a catalytic mechanism based on Lewis acid–base interaction was proposed to illustrate the catalytic process in the thermal decomposition of AP.