Photocatalytic degradation of MB on MIn2O4 (M=alkali earth metal) under visible light: effects of crystal and electronic structure on the photocatalytic activity

Synthesis of CaIn2O4 Rods and Its Photocatalytic Performance Under Visible-light Irradiation

“…Zou and Ye et al [9] investigated a series of MIn 2 O 4 (M = Ca, Sr, Ba) visible-light response photocatalysts and found that the CaIn 2 O 4 showed the highest activity although its light absorption ability was weak. The reason was that the CaIn 2 O 4 had excellent photoelectrons transfer ability due to its distorted InO 6 octahedra structure.…”

“…More recently, Inoue and Zou et al have demonstrated that the p-block metal oxides of MIn 2 O 4 (M = Ca, Sr, Ba) have good photocatalytic activity for degrading organic pollutants such as methylene blue (MB) under visible-light irradiation or splitting of water into hydrogen and oxygen by the dispersion of RuO 2 under the UV irradiation [8][9][10][11][12][13][14]. The p-block metal oxides are electronically composed of octahedrally coordinated metal ions with the d 10 configuration.…”

A novel photocatalyst BiSbO4 for degradation of methylene blue

“…A series of such novel compounds as ZnGa 2 O 4 [15], Zn 2 GeO 4 [16], AInO 2 (A = Li, Na) [ [20,21], M 2 Sb 2 O 7 (M = Ca, Sr) [21], CaSb 2 O 6 [21], CaBi 2 O 4 [22] and ZnBi 12 O 20 [23] were reported. It is commonly demonstrated that distorted local structures of p-block metal oxides improve catalytic efficiencies [15][16][17][18][19][20][21], similar to the cases in d-block metal oxides. Additionally, high photocatalytic activity may be partially ascribed to the high mobility of the photogenerated carrier in the hybridized energy bands [22,23].…”

Photocatalytic degradation and properties of core-shell like composite In2O3@ Ba2In2O5 synthesized via chemical impregnation

“…These include the following compounds: Ba 2 In 2 O 5 [4], InTaO 4 [5], CaIn 2 O 4 [6], CaBi 2 O 4 [7], SrBi 2 O 4 [8], BiVO 4 [9,10], Bi 2 MTaO 7 (M = Ga, In) [11], MIn 2 O 4 (M = Ca, Sr, Ba) [12,13], and InMO 4 (M = V, Nb, Ta) [14]. Wang et al [4] first reported on the use of solid state synthesis to create a sintered composite of Cr-doped Ba 2 In 2 O 5 /In 2 O 3 .…”