摘要
采用多孔树脂和钛酸四丁酯为起始物制备出碳掺杂的纳米TiO2(RN700A550).该材料的SEM和比表面积测定表明,RN700A550具有与P25类似的高分散性,这归于多孔树脂的存在强烈限制了纳米粒子的团聚.另外,多孔树脂的使用还造成了样品的碳掺杂(大约1.0%).罗丹明B的光降解实验表明,RN700A550不仅在可见光而且在紫外光激发条件下都显示了比P25更高的光催化活性.
Carbon-doped titanium oxide （RN700A550） nanocrystals were successfully synthesized using porous resin and tetrabutyl titanate as starting materials. SEM and surface area measurements show that NN700A550 has high dispersion similar to commercial P25. This is attributed to the presence of porous resin, which strongly limits the aggregation of TiO2 nanocrystals in the synthesis. Additionally, the use of porous resin results in the carbon doping of TiO2 （about 1% ）. Very importantly, photocatalytic degradation of rhodamine B shows that RN700A550 has higher activity than P25 under the irradiation of both visible and ultraviolet light.
出处
《催化学报》
SCIE
EI
CAS
CSCD
北大核心
2009年第2期83-85,共3页
基金
国家自然科学基金(20573044)
关键词
二氧化钛
多孔树脂
碳掺杂
光降解
可见光
紫外光
titania
porous resin
carbon doping
photocatalytic degradation
visible light
ultraviolet light
