Macroporous anatase titania particle: Aerosol self-assembly fabrication with photocatalytic performance

作者：Nandiyanto Asep Bayu Dani; Iskandar Ferry; Okuyama Kikuo^*

来源：Chemical Engineering Journal, 2009, 152(1): 293-296.

DOI：10.1016/j.cej.2009.04.065

• Anatase titanium dioxide
• Photocatalyst material
• Nanoparticle
• Porous particle
• Spray drying process

An anatase titania particle with a honey-comb-like pore structure (200nm-pore size) and a controllable outer diameter (0.2-1 mu m) was successfully prepared using a spray-drying method. As a precursor, an anatase nanoparticle (5 nm) and a polystyrene particle (200 nm) were used as a titania source and a colloidal template, respectively. The outer diameter could be controlled by varying the precursor concentration. The photocatalytic performance of a porous particle was faster than that of a dense particle (with a similar outer diameter).

• 出版日期2009-10-1