Nanocomposite Hydrogel of Pd@ZIF‐8 and Laponite®: Size‐Selective Hydrogenation Catalyst under Mild Conditions

Abstract The composite hydrogel of a nanoscale metal–organic framework (NMOF) and nanoclay has emerged as a new soft‐material with advanced properties and applications. Herein, we report a facile synthesis of a hydrogel nanocomposite by charge‐assisted self‐assembly of Pd@ZIF‐8 nanoparticles with Laponite ® nanoclay which coat the surface of Pd@ZIF‐8 nanoparticles. Such surface coating significantly enhanced the thermal stability of the ZIF‐8 compared to the pristine framework. Further, the Pd@ZIF‐8+LP hydrogel nanocomposite shows better size‐selective catalytic hydrogenation of olefins than Pd@ZIF‐8 nanoparticles based on selective diffusion of the substrate.