Fig. 2From: Highly Efficient Catalysis of Azo Dyes Using Recyclable Silver Nanoparticles Immobilized on Tannic Acid-Grafted Eggshell MembraneThe SEM image of AgNPs (a), the size distribution of AgNPs (b), typical HRTEM image of AgNPs (c), and the EDX patterns of AgNPs@Tan-ESM composites (d)Back to article page