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Why are alloy metal nanoparticles better than monometallic ones for CNT growth?

Phys.org

phys.org

Image: IBS

Researchers at the Center for Multidimensional Carbon Materials, within the Institute of Basic Science (IBS, South Korea), have presented a theoretical solution to a long-lasting mystery of carbon nanotube (CNT) growth. Published in Physical Review Letters, this study explains why nanoparticles made with an alloy of metals help to synthetize longer CNTs compared with conventional monometallic catalysts.

CNTs are tubular nanostructures made of carbon atoms with exciting potential properties that have kept researchers on the lookout for new advances. One of the most common methods to produce CNTs involves catalyst nanoparticles, which have the function of ...