The structures on the CNTs have been analyzed by Raman spectra, as shown in Figure

The structures on the CNTs have been analyzed by Raman spectra, as shown in Figure 3b. The 3b. The Raman spectrum of pristine CNTs had been composed of two strong peaks at 1335 cmRaman spectrum of pristine CNTs were composed of two strong peaks at 1335 cm-1 and 1 and 1572 cm-1, corresponding to the D and G bands, respectively. The D band constitutes 1572 cm-1 , corresponding to the D and G bands, respectively. The D band constitutes a a disordered induction characteristic, which can be derived in the vibration of C atoms with disordered induction characteristic, which is derived from the vibration of C atoms with dangling bonds, though the G band is derived in the tangential shear mode in C atoms, dangling bonds, whilst the G band is derived from the tangential shear mode in C atoms, which corresponds to the tensile mode inside the graphite plane [33,34]. The reduce intensity which corresponds for the tensile mode within the graphite plane [33,34]. The reduced intensity of D/G band intensity ratio (ID/IG) reflects the higher degree of graphitization; the ratio of of D/G band intensity ratio (ID /IG ) reflects the larger degree of graphitization; the ratio the intensities (ID/IG) was 1.06 for the pristine CNTs and 1.32 for the SnO2/CNT NNs, which in the intensities (ID /IG ) was 1.06 for the pristine CNTs and 1.32 for the SnO2 /CNT NNs, suggested that there was a specific degree of damage towards the CNTs structure in the process which recommended that there was a specific degree of damage towards the CNTs structure inside the of preparing SnO2/CNT NNs by the DC Ziritaxestat Phosphodiesterase arc-discharge plasma, that is constant with procedure of preparing SnO2 /CNT NNs by the DC arc-discharge plasma, which can be consistent our prior researches [31]. The defects on the CNTs wallswalls cause lots of cavities and with our prior researches [31]. The defects on the CNTs may well could result in quite a few cavities alleyways within the graphite layers, which can be advantageous to enhancing the the anchoring effect and alleyways within the graphite layers, that is valuable to enhancing anchoring effect of SnO2 nanoparticles and and CNTs, also delivers moremore reactionfor Lifor Li . In addition to, of SnO2 nanoparticles CNTs, and as well as gives reaction internet sites web pages . Besides, CNTs nevertheless have ahave a high degree of graphitization andretainretainelectrical conductivity. CNTs nonetheless high degree of graphitization and therefore therefore high high electrical conductivity.Figure 3. (a) XRD patterns ofof bare SnO2 , SnO2 /CNT NNs composites (b) Raman spectra of prisFigure three. (a) XRD patterns bare SnO2, SnO2/CNT NNs composites and and (b) Raman spectra of tine CNTs, SnOSnO2 /CNT NNs composites. pristine CNTs, 2/CNT NNs composites.The XPS studies have been carried out to identify the chemical composition of SnO22/CNT composition of SnO /CNT The XPS studies had been NNs composites. NNs composites. Figure 4a shows the XPS survey spectra ofof SnO2/CNT NNs composites, 4a shows the XPS survey spectra SnO2 /CNT NNs composites, it could be clearly observed that the SnO2 /CNT NNs composites created peaks corresponding to it might be clearly noticed that the SnO2/CNT NNs composites created peaks corresponding O 1s, C C Sn 3d as also as Sn 3p, indicating the presence inside the sample in addition to CNTs to O 1s, 1s,1s, Sn 3d nicely as Sn 3p, indicating the presence of Snof Sn within the sample apart from and SnO2 this this really is as a result of the fact that a compact DMPO Biological Activity quantity of Sn not oxidized through the CNTs and ,SnO2,is due to the fact that a small quantity of Sn waswas not oxidized during preparing process by by plas.