溶胶-凝胶法制备多孔TiO_(2)纤维及其甲醛催化性能研究

Preparation of Prorous TiO_(2) Fiber by Sol-gel Method and its Catalytic Properties for Formaldehyde

TiO作为一种典型n型半导体材料,有较好的催化性质,同时由于廉价易得,因此具有非常好的应用前景。贵金属的负载可以加快导电子被捕获的效率,从而能够极大地提高催化剂的性能。以Ti(OBu)_(4)为钛源通过溶胶-凝胶、高压静电纺丝技术,结合烧结技术,制备了多孔TiO纤维,探究了Pluronic P123对制备二氧化钛纤维的多孔性的影响。通过负载铂,研究了其催化氧化甲醛的效果。

As a typical n-type semiconductor material,TiO_(2) has good catalytic properties.At the same time,because it is cheap and easy to obtain,it has a very good application prospect.The loading of noble metals can accelerate the efficiency of electron capture,which can greatly improve the performance of the catalyst.Porous TiO_(2) fibers were prepared by sol-gel method,high voltage electrospinning and sintering technology using Ti(OBu)_(4) as the titanium source.The effect of Pluronic P123 on the porosity of TiO_(2) fibers was investigated.The catalytic oxidation of formaldehyde by PT was studied.