Tubular structural construction and compositional modulation of MoS₂-based hybrids for high-performance catalytic...

The architectural optimization of multifunctional components within MoS₂-based nanohybrids demonstrates potential for amplifying cooperative catalytic effects in biomimetic catalytic systems. Employing APTES@MoS₂ composites as specialized sorbents, their inherent amine coordination ability and surface negative charge were exploited to investigate their efficacy in adsorbing transition metal ions such as Ni²⁺, Fe³⁺, and Co²⁺ ions. High-temperature carbonization treatment gradually converted the amorphous APTES polymer into N-doped carbon (denoted as CAPTES), while simultaneously enhancing crystallinity and enabling transition metal doping in MoS₂ nanosheets (NSs) through thermal treatment, leading to enhanced catalytic performance. Dense decoration of palladium nanoparticles (Pd NPs) is incorporated to amplify the hydrophilicity and the catalytic efficiency of CAPTES@Fe-MoS₂ nanocomposites. Benefiting from the hierarchical hollow configuration with extensively exposed edge sites, optimized charge transfer dynamics, and homogeneously distributed active centers, the engineered tubular heterostructures demonstrate exceptional catalytic performance in both 4-nitrophenol (4-NP) reduction and biomimetic enzymatic reactions. This template-directed synthesis strategy provides a scalable platform for manufacturing heterostructured MoS₂-based materials with tunable synergistic functionalities, enabling advanced catalytic solutions for environmental and analytical applications.