CAJ | 학술논문

制备 TiO 2高效光催化试剂近年来备受关注．利用静电纺丝技术成功获得了尺寸均一的 TiO 2纳米纤维，在此基础上，以硝酸银(AgNO 3)为掺杂剂，合成了 TiO 2-Ag 复合纳米纤维．采用扫描电子显微镜(SEM)及X 射线衍射(XRD)对该复合材料进行了表征．结果显示，产物为锐钛矿 TiO 2-Ag 复合纳米纤维，且纤维分散性好、长径比大．随后以亚甲基蓝为降解对象，研究了该复合材料的光催化活性，探讨了 Ag 掺杂量对 TiO 2光催化效果的影响．结果表明：TiO 2-Ag 复合纳米纤维具有良好的光催化活性，且掺杂0．8 wt％ Ag 的 TiO 2-Ag复合纳米纤维对亚甲基蓝的降解效率最高．
제비 TiO 2고효광최화시제근년래비수관주．이용정전방사기술성공획득료척촌균일적 TiO 2납미섬유，재차기출상，이초산은(AgNO 3)위참잡제，합성료 TiO 2-Ag 복합납미섬유．채용소묘전자현미경(SEM)급X 사선연사(XRD)대해복합재료진행료표정．결과현시，산물위예태광 TiO 2-Ag 복합납미섬유，차섬유분산성호、장경비대．수후이아갑기람위강해대상，연구료해복합재료적광최화활성，탐토료 Ag 참잡량대 TiO 2광최화효과적영향．결과표명：TiO 2-Ag 복합납미섬유구유량호적광최화활성，차참잡0．8 wt％ Ag 적 TiO 2-Ag복합납미섬유대아갑기람적강해효솔최고．
Great efforts have been made to prepare efficient TiO 2 photocatalysts in recent years.In this work,electrospinning technology was successfully employed to make one-dimensional TiO 2 .Meanwhile, the TiO 2 nanofibers doped with Ag nanoparticles were also fabricated based on this method.SEM and XRD are both used to characterize the hybrid nanofibers and the results show that these nanofibers are anatase TiO 2-Ag nanocomposites with desirable dispersion and good length to diameter ratio.Besides,the as-obtained TiO 2-Ag nanofibers exhibited excellent photocatalytic activity for the degradation of methyl-ene blue dye.