Preparation of SiO2@ Au nanorod array as novel surface enhanced Raman substrate for trace pollutants detection*
Hou Meng-Jinga), Zhang Xiana), Cui Xiao-Yanga), Liu Cana), Li Zheng-Caob), Zhang Zheng-Junb)†
       
(a) TEM morphology of SiO2@Au nanorods. (b) HRTEM of a region on the SiO2@ Au nanorod, and the dark parts are Au nanoparticles.