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)†
       
Raman spectrums of 10−5 M, 10−6 M, 10−7 M, 10−8 M, and 10−9 M R6G adsorbed on SERS substrates whose Au depositing time is 120 s.