Heterostructured Tin oxide-pillared tetratitanate with enhanced photocatalytic activity

Achieving significantly enhanced visible-light photocatalytic efficiency using a polyelectrolyte: the composites of exfoliated titania nanosheets, graphene, and poly(diallyl-dimethyl-ammonium chloride)

“…The materials are thus quite unique being able to absorb light in the UV-Vis-NIR range and it is the broadest observed from titania nanosheet-based composites so far. 13,[17][18][19][20][21][22][23][24] To probe the origin of the strong and wide absorbance of the photocatalyst, the UV-Vis DRS is compared with those of the single constituents, namely GO, GO calcined at 300 °C, PDDA, as well as PDDA calcined at 300 °C. As shown in Fig.…”

“…18 Furthermore, composite catalysts composed of titania nanosheets, mesoporous silica, and CdS exhibit high hydrogen evolution activity under visible light 19 and assemblies of CdS-titania and iron oxide-titania nanosheets also display effective catalytic ability toward the decomposition of organic pollutants. [20][21][22][23][24] Graphene, an important class of 2D materials, has many favorable optical and electrical properties boasting high flexibility in application and a large surface area. 25,26 Graphene has been extensively studied for its possible application to catalysis.…”

Interstratified nanohybrid assembled by alternating cationic layered double hydroxide nanosheets and anionic layered titanate nanosheets with superior photocatalytic activity

“…Considering the highly anisotropic 2D morphology of the employed nanosheets, the N 2 adsorption is attributed predominately to the external planar surface of nanosheets for a crystallite particle, not to their side edges. The expanded surface area of ZnAl-Ti 3 O 7 can be ascribed to the presence of mesoporosity, as a result of the house-of-cards-type random stacking between the smaller sheet-like interstratified crystallites, which has been encountered in the reported sheet-like composites [19][20][21]29,36,39,40]. The pore size of the ZnAl-Ti 3 O 7 nanohybrid, analyzed by the Barrett-Joyner-Halenda (BJH) method, is presented in the inset of Fig.…”

Nitrogen-Doped Alkylamine-Intercalated Layered Titanates for Photocatalytic Dye Degradation

“…Layered K 2 Ti 4 O 9 , on hybridization with CdS nanostructures , /oxide nanoparticles ,,− (TiO 2 , SnO 2 , CrO x , and SiO 2 ) or on cation-exchange , - (Co 2+ and Sn 2+ ), exhibits enhanced photocatalysis. Layered titanates doped with nitrogen, obtained through solvothermal reaction in the presence of triethylamine, calcination in the presence of ammonia/urea, or photo-N doping in a N 2 atmosphere, also exhibit enhanced photocatalytic activity.…”