Selective synthesis of three-dimensional ZnO@Ag/SiO<sub>2</sub>@Ag nanorod arrays as surface-enhanced Raman scattering substrates with tunable interior dielectric layer<xref rid="cpb_28_12_124204fn1" ref-type="fn">*</xref><fn id="cpb_28_12_124204fn1"><label>*</label><p>Project supported by the Fund from the Science and Technology Department of Jilin Province, China (Grant No. 20170520108JH), the Beihua University Youth Nurtural Fund, China (Grant No. 2017QNJJL15), the Beihua University PhD Research Start-up Fund, China (Grant No. 202116140), and the Undergraduate Innovation Project, China (Grant No. 220718100).</p></fn>

Selective synthesis of three-dimensional ZnO@Ag/SiO₂@Ag nanorod arrays as surface-enhanced Raman scattering substrates with tunable interior dielectric layer**

Project supported by the Fund from the Science and Technology Department of Jilin Province, China (Grant No. 20170520108JH), the Beihua University Youth Nurtural Fund, China (Grant No. 2017QNJJL15), the Beihua University PhD Research Start-up Fund, China (Grant No. 202116140), and the Undergraduate Innovation Project, China (Grant No. 220718100).

Mu Jia-Jia^{1, †}, He Chang-Yi¹, Sun Wei-Jie², Guan Yue¹

Calculated electric field intensity distributions of ZnO@Ag/SiO₂@Ag multilayer nanorods with different-thickness out-layer Ag at a wavelength of 532 nm in x–z plane, with (a) sputtering time being 67 s and size of Ag nanoparticles about 10 nm, (b) sputtering time being 200 s and size of Ag nanoparticles about 30 nm, and (c) sputtering time 334 s and size of Ag nanoparticles about 50 nm, (d) sputtering time being 470 s and size of Ag nanoparticles about 70 nm.