Two-step-route to Ag–Au nanoparticles grafted on Ge wafer for extra-uniform SERS substrates

T. Wang, F. Hu, E. Ikhile, F. Liao, Y. Li and M. Shao, J. Mater. Chem. C, 2015, 3, 559
DOI: 10.1039/C4TC02310B