Lead has its own toxicity and to replace this, bismuth can be used. I want to try to prepare bismuth nanoparticles. Can any one suggest ideas?
There are different ways to synthesize Bi nanoparticles such as laser ablation, electrohydrodynamic techniques, high energy ball milling, vapour flow condensation, inverse micelle technique, high temperature/ low temperature chemical reduction etc. You can find more details about each of this process online, if you have any questions or can not find specific articles let me know.
Practically all metals can be converted to nanoparticles by means of laser ablation (Gayatri's first suggestion). If you decide to order such particles from Particular GmbH (=> particular.eu), the first step will be a test of colloidal stability for a solvent of your choice. Depending on your application, you may want Bi nanoparticles dispersed in water or in specific organic solvents. They can also be deposited on microparticles that serve e.g. as catalytic supports. Particular usually delivers within 1-3 weeks.
Ya, Thank you Gayatri and niko for your valuable suggestions. But I think i cant prepare by laser ablation methods. Is there any other chemical method to prepare?
Kalaiarasi, there are different low temperature and high temperature chemical reduction techniques used to grow bismuth nanoparticles. J. Fang, K.L. Stokes, W.L. Zhou, W. Wang and J. Dai, “Self assembled bismuth nanocrystallites,” Chem. Comm. 18:1872 (2001). J. Fang, K.L. Stokes, W. Zhou, J.A. Wiemann, J. Dai and C.J. O’Connor , “Colloidal bismuth nanoparticles: Synthesis and UV-Vis absorption,” Proceedings of ISCANI (International Symposium on Cluster and Nanostructure Interfaces), ed. By P. Jena, World Scientific Publishing, Singapore (2000). A new synthesis of ultrafine nanometre-sized bismuth particles, Nanotechnology 15 (2004) 940–944.
Bi NP's are obtained by different ways... but the highly monodisperse particles obtained by using Bi precursor solution obtained by Buhro et.al. you can see the article entitled" Highly Monodisperse Bismuth Nanoparticles and Their Three-Dimensional Superlattices" for detail..
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