采用表面活性剂十六烷基三甲基溴化铵(CTAB)辅助合成SiO2/TiO2核壳微球,并利用XRD、SEM、EDS、BET、BJH及FT-IR等分析方法,对SiO2/TiO2与葡萄糖氧化酶的吸附界面进行表征.结果表明:SiO2/TiO2微球是由TiO2和SiO2组成,直径约250 nm,TiO2以纳米薄层方式均匀地沉积在SiO2表面;样品吸附葡萄糖氧化酶后的尺寸变化不明显;材料的XRD峰强度有所减弱并且(112)晶面的衍射峰消失;其比表面积和平均孔径均减小;FT-IR分析显示酰胺Ⅱ区特征峰发生转移,肽键N-H平面的弯曲振动和C-N的伸缩振动发生了变化.
参考文献
[1] | Yonggang Wang;Yarong Wang;Eiji Hosono.The Design of a LiFePO/Carbon Nanocomposite With a Core-Shell Structure and Its Synthesis by an In Situ Polymerization Restriction Method[J].Angewandte Chemie,200839(39):7461-7465. |
[2] | Lauhon LJ;Gudiksen MS;Wang D;Lieber CM.Epitaxial core-shell and core-multishell nanowire heterostructures.[J].Nature,20026911(6911):57-61. |
[3] | 王厚山.水热法制备一维Ti-O纳米材料的性能与表征[J].硅酸盐通报,2013(9):1836-1840. |
[4] | Lee, Seungae;Lee, Jungsup;Hwang, Sun Hye;Yun, Juyoung;Jang, Jyongsik.Enhanced Electroresponsive Performance of Double-Shell SiO2/TiO2 Hollow Nanoparticles[J].ACS nano,20155(5):4939-4949. |
[5] | 杨克森;谈发堂;王维;乔学亮;陈建国.纳米Ag@SiO2/TiO2复合光催化剂的制备及性能研究[J].化工新型材料,2015(2):47-49. |
[6] | Zaicheng Sun;Eyal Zussman;Alexander L. Yarin;Joachim H. Wendorff;Andreas Greiner.Compound Core-Shell Polymer Nanofibers by Co-Electrospinning[J].Advanced Materials,200322(22):1929-1932. |
[7] | Xiaoyu Li;Junhui He.Synthesis of Raspberry-Like SiO2-TiO2 Nanoparticles toward Antireflective and Self-Cleaning Coatings[J].ACS applied materials & interfaces,201311(11):5282-5290. |
[8] | Dong Gu;Ferdi Schuth.Synthesis of non-siliceous mesoporous oxides[J].Chemical Society Reviews,20141(1):313-344. |
[9] | Edmond Magner.Immobilisation of enzymes on mesoporous silicate materials[J].Chemical Society Reviews,201315(15):6213-6222. |
[10] | 庄云飞;卞雅兰;李志强.CTAB辅助水热法合成TiO2微球[J].化工新型材料,2015(2):193-196. |
[11] | Yang, Y.;Du, G.;Xin, X.;Xu, B..Hierarchical ZnO microrods: Synthesis, structure, optical and photocatalytic properties[J].Applied physics, A. Materials science & processing,20114(4):1229-1235. |
[12] | 李子成;张爱菊;沈毅.Ti负载对硅基MCM-41结构的影响[J].硅酸盐通报,2013(4):704-707. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%