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采用溶胶-凝胶与溶剂热相结合的方法制备了系列介孔复合光催化剂SO42--H3PW12O40/TiO2 (P123),并对其进行了表征和分析。N2吸附表面分析及扫描电镜(SEM)图片显示,复合催化剂的粒径明显减小,比表面积高达211m2/g,是TiO2的5 倍。紫外漫反射吸收光谱(UV-Vis)显示,与TiO2相比,复合催化剂的吸收光谱发生了明显的红移,且吸收强度明显增强。运用L16(45)的正交实...
Textural, structural and electrical properties of TiO2 nanoparticles using Brij 35 and P123 as surfactants
nanosized titania self-assembly technique Brij 35 P123 electrical resistance
2010/10/12
The effect of the use of the triblock copolymer Pluronic P123[(PEO)20(PPO)70(PEO)20,
Aldrich] and the non-ionic polyoxyethylene-lauryl ether Brij 35 as surfactants on the textural,
structural and el...