Photocatalytic hydrogen evolution from glycerol-water mixture under visible light over zinc indium sulfide (ZnIn2S4) nanosheets grown on bismuth oxychloride (BiOCl) microplates

Indium-based quantum dots trapped in solid-state matrices: a one-pot synthesis, thermoresponsive properties, and enhanced micropollutant removal

“…27 It is important to note that despite thioacetamide being frequently used as the S precursor for cadmium chalcogenide and copper indium disulfide quantum dots, 21,28,29 opting for thioacetamide as the sulfur precursor to synthesize indium sulfide or zinc indium sulfide nanocrystals resulted in nanocrystals with sizes larger than the Bohr exciton radius. 5,[30][31][32] As a consequence, quantum confinement effects and thus fluorescent indium sulfide and zinc indium sulfide nanocrystals cannot be observed. 5,30,31 In simpler terms, neither indium sulfide nor zinc indium sulfide colloidal quantum dots have been successfully synthesized using thioacetamide as the S precursor.…”

Fabrication of heterostructured Pd-porphyrin MOFs/ZnIn2S4composites to boost photocatalytic hydrogen evolution under visible light irradiation

“…In particular, the light absorption intensity of this Pd-PMOFs@ZIS-2 sample was also substantially higher than that of the single-component photocatalyst in the region of 420–800 nm, indicating that the combination of ZIS and Pd-PMOFs optimized the band gap and visible light absorption capacity, which was beneficial for further promotion of the photocatalytic hydrogen production activity. 42 According to Kubelka–Munk function and the Tauc plot, 43 the band gap energies ( E g ) of selected pure ZIS, Pd-PMOFs and Pd-PMOFs@ZIS-2 samples were calculated to be 2.14, 1.72 and 1.68 eV, respectively. Moreover, the flat-band potential ( E FB ) values of the representative photocatalysts were estimated using the Mott–Schottky plots.…”

Solar‐Driven Biomass Reforming for Hydrogen Generation: Principles, Advances, and Challenges

“…As a typical attempt, ZnIn 2 S 4 (ZIS) nanosheets were coupled with BiOCl microplates for photoreforming of glycerol into H 2 . [307] The 4%BiOCl@ZIS/0.0625 wt% Pt photocatalyst, containing 0.0625 wt% Pt cocatalyst and 4% wt% BiOCl microplates, showed an optimal hydrogen production rate of 674 μmol g −1 h −1 , which was ≈1.75-fold that of ZIS/0.0625 wt% Pt (384 μmol g −1 h −1 ) under the same condition. The mechanism study revealed that the in situ formation of low bandgap Bi 2 S 3 semiconductor between ZIS and BiOCl was the key to improving the catalytic performance by broadening light absorption region and enhancing photo-generated e − /h + separation (Figure 18a).…”