Characterization of magnetic soluble starch-functionalized carbon nanotubes and its application for the adsorption of the dyes

磁性可溶性淀粉功能化碳纳米管的表征及其在染料吸附中的应用

Peter R. Changa, Pengwu Zhengb, Baoxiang Liuc, Debbie P. Andersona, Jiugao Yuc, Xiaofei Mac,lowast;

3. Results and discussion

3.结果与讨论

3.1. Characterization of MWCNT-starch

3.1.表征多壁碳纳米管-淀粉

Fig. 1. (a) FTIR spectra of soluble starch,MWCNTand MWCNT-starch; (b) TEM micrograph of MWCNT-starch; (c) XRD patterns of soluble starch,MWCNTand MWCNT-starch; (d) TG and DTG curves of soluble starch and MWCNT-starch; (e) UV–visible spectra of MWCNT-starch in water at the increasing concentrations from the bottom to top, the inset is Lambert–Beerrsquo;s plot for the absorption peak of MWCNT-starch at 265 nm

图1所示，(a)可溶性淀粉、多壁碳纳米管和多壁碳纳米管淀粉的红外光谱;(b) 多壁碳纳米管 -淀粉的横向电磁场显微图;(c)可溶性淀粉、多壁碳纳米管和多壁碳纳米管淀粉的X射线衍射图谱;(d)可溶性淀粉和多壁碳纳米管 -淀粉的热重法和微商热重法曲线;(e) 多壁碳纳米管 -淀粉的紫外可见光谱