I tried to synthesize samarium nanoparticles using curcumin. I used samarium nitrate as a processor and curcumin as a reducing agent. I put the solution of samarium nitrate and curcumin on a magnetic stirrer at 80 ° C for 4 hours. But after centrifugation, I got a small amount of precipitate and could not dry it.
I also put samarium nitrate and curcumin solution in an incubator shaker overnight. No precipitate is formed after centrifugation.
Should I use another substance (eg samarium chloride or samarium oxide) instead of samarium nitrate?
You need to check the molar concentrations/dilution of your synthesis. No precipitate/precipitate is not the sign for synthesis, instead, the color change is. Your time, temperature, and pH also need variability checks. Curcumin can work but, if for your applications, the use of Curcuma sp. plant extract, can be a feasible choice. Check few references for the Sm- nitrate-based NPs synthesis.
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