I am working on nano-particle preparation of silver sulfide. I have a silver particle around 10-micron meter. I am continuously triturating in with the help of the ball mill but unfortunately, I could not prepare the particle at 20 nm range. I have prepared at the level of 400 nm silver sulfide nanoparticle with the help of trituration. What should I do..
Despite the widespread use of dispersion methods, they cannot be used to produce nanoparticles with a diameter of 1-100 nm. Such dispersed systems can be obtained by condensation method. But you can try to apply the silver salts of carboxylic acid when crushing.
I think you can use ultrasonic method to get on nanoparticle of silver salts .
You should consider bottom up approach, like Hydrothermal synthesis. You can get the controllable as well as uniform nanoparticle size. As a matter of fact you can even achieve size range of 2-10 nm i.e. Quantum dots.
For further reading:
S. I. Sadovnikov and A. I. Gusev, Recent progress in nanostructured silver sulfide: from synthesis and nonstoichiometry to properties, J. Mater. Chem. A, 2017,5, 17676-17704 .
Hope this helps. All the best.
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