Small particles leads to peak broadening due to less crystallinity.

It is very normal case in your Ad nanoparticle xrd

You should match peaks with literature

You can calculate cluster diameter by using Scherrer equation

Hello Aarzoo,

I attache a paper, where we determined the grain diameter in platinum films. Like Pawan thinks, so higher the broadening so smaller the diameter of your nanoparticle. Compare with equation 2.

With regard

R. Mitdank

Yes nice

I hope this will help you !!

Thank you.