I tried to deposit gold nanoclusters on paper, but it forms a coffee ring and centre part remains empty and all clusters accumulate at the boundary? How I could fix this problem, I have tried to deposit gold nanoclusters on silica nanoparticle layers on paper as well but the same problem persist. Any help or suggestion shall be highly appreciated.
Blaine Fiss
Out of curiosity Mirza, what methods have you previously tried for depositing them?
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Mirza Muhammad Fahad Baig
I tried to deposit droplet and also tried to soaked in a solution from few second to many hours, but when dried paper at room temperature, nanoclusters were accumulated at the edge of the paper.
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