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SEM micrographs of (a,b) 400 nm images of biochar, (c) 400 nm image of silver nanoparticles synthesized by the reaction of 1.0 mM silver nitrate with Emericella dentata filtrate, (d) 1000 nm image of combined biochar and AgNPs, (e) 400 nm combination of AgNPs and biochar, and (f) % frequency of AgNPs size distribution.
