supported by the National Natural Science Foundation of China(51272173,51002188);the National Basic Research Program of China(2010CB934703);Tianjin Municipal Science and Technology Commission(12ZCZDGX00800)
Three types of carbon nano-onions(CNOs) including Ni@CNOs.Fe3C@CNOs and Fe0.64Ni0.36@CNOs nanoparticles have been synthesized by catalytic decomposition of methane at 850 ℃ using nickel,iron and iron-nickel alloy c...