Aerosol-assisted fabrication of mesoporous titania spheres with crystallized anatase structures and investigation of their photocatalitic properties

Developing a new production process for high-porosity lactose particles with high degrees of crystallinity

“…The dominant method for producing porous inorganic particles by spray drying appears to be the use of aqueous solutions containing the main (core) material with a templating agent that is removed by heat treatment, including calcination. The templates have included polystyrene [21][22][23][24][25], other polymers [26][27][28][29], and…”

Solar light induced rhodamine B degradation assisted by TiO2–Zn–Al LDH based photocatalysts

“…Therefore a great deal of research has been conducted to enhance the TiO 2 performances in the solar spectrum by the selection of suitable photocatalyst support and doping agents [5][6][7][8][9]. The photocatalytic performance of TiO 2 depends on its crystal structure, particle size as well as effective surface area, and therefore with the use of nano-sized TiO 2 the number of particles per unit area is increased enhancing its photocatalytic activity in the UV light [10][11][12][13][14][15]. Unfortunately, using the nanosized TiO 2 has disadvantages related to health hazards by the inhalation toxicity [16] and possible nanoparticle aggregation that decreases the overall activity [7].…”

Recent Progress in the Synthesis of Spherical Titania Nanostructures and Their Applications

“…[ 84 ] Yamauchi and co-workers found that this aerosol-assisted selfassembly method is more suitable for continuous production of mesoporous titania microspheres on a large scale by using a cyclone separator, rather than a fi lter, to collect the fi nal products. [ 85 ] The titania microspheres fabricated via this aerosolassisted self-assembly process usually have a broad particle size distribution ranging from tens of nanometers to several micrometers. [ 54 , 81-88 ] In order to obtain relatively monodisperse particles, a size-partitioning process, such as density gradient centrifugation, [ 88 ] is generally exploited.…”