高等学校化学学报2012，Vol.33Issue(7)：1552-1558,7.DOI:10.3969/j.issn.0251-0790.2012.07.034
WO3/TiO2复合纤维的制备及储能光催化性能
Preparation and Energy Stored Photocatalytic Properties of WO3/TiO2 Composite Fibers
摘要
Abstract
Heterostructured WO3/TiO2 composite fibers were prepared via electrospinning fabrication of ana-tase fibers by adopting n-butyl titanate[Ti(OBu)4] as precursors and hydrothermal growth of WO3 nanostruc-tures on anatase fibers substrate. The morphology and structure of WO3/TiO2 composite fibers were characterized by X-ray diffraction ( XRD) , scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy ( EDS), transmission electron microscopy ( TEM ) and high resolution transmission electron microseopy (HRTEM) techniques. The results showed that flower-like WO3 microsphere could evenly grow on the TiO2 fibers surface and thus heterostructured WO3/TiO2 composite fibers were successfully obtained. By employing Rhodamine B degradation as the model reaction, the WO3/TiO2 heterostructures showed enhanced photocatalytic efficiency compared with the bare TiO2 fibers under UV light irradiation. The enhanced photocatalytic efficiency could be ascribed to the promoted electron-hole pairs separation induced by the heterojunction and thus enhanced quantum efficiency. Degradation experiment displays that Rhodamine B can be degraded in darkness by the WO3/TiO2 composite fibers photocatalyst with energy storage degradation activity.关键词
静电纺丝技术/水热法/WO3/TiO2复合纤维/储能/光催化降解Key words
Electrospinning technique/ Hydrothermal method/ WO3/TiO2composite fibers/ Energy storage/ Photocatalytic degradation分类
化学化工引用本文复制引用
李跃军,曹铁平,邵长路,王长华..WO3/TiO2复合纤维的制备及储能光催化性能[J].高等学校化学学报,2012,33(7):1552-1558,7.基金项目
国家自然科学基金(批准号:50972027)、教育部新世纪优秀人才支持计划(批准号:NCET-05-0322)和吉林省科技发展计划(批准号:201205034)资助. （批准号:50972027）
