How to improve uniformity of particle size of Cu2FeSnS4 nanoparticles by SEM images,so that to obtain an average grain size?

Cu2FeSnS4 nanoparticles are synthesis by hydrothermal method,As obtained CFTS powder were processed through SEM. The size of particle were not uniform.I need uniformity in SEM particle size so...

20 March 2018 9,846 4 View