Supporting information Facile synthesis of Ag@SiO2 core-shell nanowires on large scale Fang Li,a Yu-Ling Zhao,a,* Wei Dai, a Jing Chen,a Zhengquan Li,a,* Haisheng Qian b, * a Department of Chemistry, Zhejiang Normal University, Jinhua Zhejiang, 321004, China. b Department of Medical Materials and Rehabilitation Engineering, School of Medical Engineering, Hefei University of Technology, Hefei 230009, P. R. China. Fig. S1. The Energy Dispersive X-ray analysis (EDX) of the as-prepared Ag@SiO2 core-shell nanowires was given in Fig. 2(c). Fig. S2. Field-emission scanning electron microscopy (FESEM) image of the as-prepared product obtained from 1 mmol AgNO3, 320 µL TEOS and 20 mL ethylene glycol in presence of poly(vinyl pyrrolidone) at 160 oC for 12 h. Fig. S3. Field-emission scanning electron microscopy (FESEM) image of the as-prepared product obtained from 1 mmol AgNO3, 80 µL TEOS and 20 mL ethylene glycol in presence of poly(vinyl pyrrolidone) at 140oC (a) and 180 oC(b) for 12 h; respectively. Supporting information Facile synthesis of Ag@SiO2 core-shell nanowires on large scale Fang Li,a Yu-Ling Zhao,a,* Wei Dai, a Jing Chen,a Zhengquan Li,a,* Haisheng Qian b, * a Department of Chemistry, Zhejiang Normal University, Jinhua Zhejiang, 321004, China. b Department of Medical Materials and Rehabilitation Engineering, School of Medical Engineering, Hefei University of Technology, Hefei 230009, P. R. China. Fig. S1. The Energy Dispersive X-ray analysis (EDX) of the as-prepared Ag@SiO2 core-shell nanowires was given in Fig. 2(c). Fig. S2. Field-emission scanning electron microscopy (FESEM) image of the as-prepared product obtained from 1 mmol AgNO3, 320 µL TEOS and 20 mL ethylene glycol in presence of poly(vinyl pyrrolidone) at 160 oC for 12 h. Fig. S3. Field-emission scanning electron microscopy (FESEM) image of the as-prepared product obtained from 1 mmol AgNO3, 80 µL TEOS and 20 mL ethylene glycol in presence of poly(vinyl pyrrolidone) at 140oC (a) and 180 oC(b) for 12 h; respectively. Fig. S4. Field-emission scanning electron microscopy (FESEM) image of the as-prepared product obtained from 1 mmol AgNO3, 80 µL TEOS and 20 mL ethylene glycol in presence of poly(vinyl pyrrolidone) at 200 oC for 12 h. Table S1. Element composition of the as-prepared Ag@SiO2 core-shell nanowires from EDX analyses. Element Weight% Atomic% CK 8.74 25.40 OK 21.28 46.45 Si K 5.98 7.43 Ag L 64.00 20.72 Totals 100.00