Fig. 3


(a, b) FE-SEM and (c, d) TEM images of TNTs@Cu(II)-SB, and EDX spectra of (e) TNTs, (f) TNTs@APTES, and (g) TNTs@Cu(II)-SB.’.


(a, b) FE-SEM and (c, d) TEM images of TNTs@Cu(II)-SB, and EDX spectra of (e) TNTs, (f) TNTs@APTES, and (g) TNTs@Cu(II)-SB.’.