摘要
通过溶胶-凝胶法和分子印迹技术制备了分子印迹型碳纳米管掺杂二氧化钛光催化剂,并通过扫描电镜(SEM)、差热-热重测定(DTA-TG)、傅里叶变换红外光谱(FTIR)和X-射线衍射(XRD)进行了表征。在氙灯照射下,用掺有分子印迹碳纳米管的二氧化钛光催化剂降解溶液中的甲醛,研究了时间、煅烧温度、催化剂用量等因素对降解效果的影响。结果表明,含有0.15%碳纳米管和0.075%印迹分子的二氧化钛光催化剂在500℃下煅烧后,降解了5 mg/L的甲醛溶液,3 h的最佳降解率为93.4%。
Molecularly imprinted carbon nanotube-doped titanium dioxide photocatalysts were prepared by sol-gel meth-od and molecular imprinting techniques and characterised by Scanning Electron Microscopy(SEM),Differential Thermogra-vimetry(DTA-TG),Fourier Transform Infrared(FTIR),and X-ray Diffraction(XRD).The titanium dioxide photocatalyst doped with molecularly imprinted carbon nanotubes was used to degrade formaldehyde solutions under xenon lamp irradia-tion,and the effects of time,calcination temperature and catalyst dosage on the degradation effect was studied and so on.The titanium dioxide photocatalyst containing 0.15%carbon nanotubes and 0.075%imprinted molecules calcined at 500 C de-graded 5 mg/L of formaldehyde solution under xenon lamp irradiation for 3 h.The best degradation rate was 93.4%.
作者
裴莉洁
张译文
宋卓原
齐思宇
杨龙浴
梁红莲
Pei Lijie;Zhang Yiwen;Song Zhuoyuan;Qi Siyu;Yang Longyu;Liang Honglian(Langfang Normal University,Langfang 065000,China)
出处
《廊坊师范学院学报（自然科学版）》
2023年第3期43-47,共5页
Journal of Langfang Normal University(Natural Science Edition)
基金
河北省高等学校科学技术研究项目(ZC2022036)
河北省大学生创新创业训练计划项目(S202210100002)。
关键词
溶胶-凝胶法
碳纳米管
二氧化钛
甲醛
降解性能
sol-gel method
carbon nanotubes
titanium dioxide
formaldehyde
degradation properties
