
Keywords: PL; photoluminescent; AgNPs; silver nanoparticle; NPs; nanoparticles; AN&N; analytical nanoscience and nanotechnology; TEMPO; 2,2,6,6-tetramethylpiperidine-1-oxyl free radical; NC; nanocellulose; c-NC; carboxylated nanocellulose; bpy; 2,2â²-bipyridine; 4