While synthesis of silver nanoparticles, absorbance is increases with varying AgNO3 (Salt) Con'c. but SPR is same, what is the possible explanation?

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Yuri Mirgorod

Surface plasmon resonance appears as a result of the size effect. It can be affected by an adsorbable substance. If the amount of adsorbed substance that absorbs in the visible region of the spectrum increases, then this substance can influence absorption as a result of SPR.

Bipin S Khade

Thank You @ Dr. Yuri Mirgorod Sir,

SNPs Size varies, only absorbance is increases but SPR remain same in this experiment.