Single Cu Atoms Anchored Energetic COFs as Combustion Catalytic Promoters toward Rapid and Concentrated Thermal Decomposition of Ammonium Perchlorate.

ABSTRACT: Achieving a synergistic, rapid, and concentrated energy release process of ammonium perchlorate (AP) is of vital significance for boosting the thrust of composite solid propellants. However, conventional catalytic promoters often exhibit suboptimal catalytic kinetics due to inefficient utilization of active sites. Herein, atomically dispersed Cu-coordinated covalent organic frameworks (COFs)-based catalytic promoters are reported, decorating with energetic anion groups. The highly accessible single Cu sites confined in the COFs significantly contribute to the raid and concentrated energy release of AP, yielding a sharply narrowed decomposition peak at 341.3 °C with a peak width of only 9 °C. This performance is markedly superior to the dispersed exothermic process of raw AP (410.3 °C with

SUBMITTER: Zhang M 

PROVIDER: S-EPMC12362789 | biostudies-literature | 2025 Aug

REPOSITORIES: biostudies-literature