I am trying to get well dispersed nanocluster TEM image with different concentration in DI water as weel as EtOh, but I am not able to see a clear nanoclusters in TEM image.
can anyone help me for different method preparation of TEM sampling.
current sampling: 100µL AuNCs solution+1mL EtOH and sonication for 3~4h with 120H .
Thanks