Novel Fe3O4@SiO2@Ag@Ni trepang-like nanocomposites: High-efficiency and magnetic recyclable catalysts for organic dye degradation
Li Chao, Sun Jun-Jie, Chen Duo, Han Guang-Bing, Yu Shu-Yun, Kang Shi-Shou†, , Mei Liang-Mo
       

TEM images of the as-synthesized (a) Fe2O3 nanorods, (b) Fe2O3@SiO2 nanorods, (c) Fe3O4@SiO2 nanorods; (d) HRTEM image of Fe3O4@SiO2 nanorods.