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- Title
Photocatalytic Evaluation of the Ternary Composite CdSO 4 -ZnAl LDH/ZnS in Hydrogen Production without a Sacrificial Reagent.
- Authors
Romero-Villegas, Angela G.; Tzompantzi-Flores, Clara; Hernández, Raúl Pérez; Barrera-Rodríguez, Arturo; Tzompantzi, Francisco; Gómez, Ricardo
- Abstract
In this work, a layered double hydroxide support modified with cadmium was synthesized by a one-pot coprecipitation method. Then, it was sulfured in different percentages by a solvothermal method. Next, the samples were analyzed using various characterization techniques like XRD, DRS, FTIR, N2 physisorption, PL spectroscopy, TEM, and SEM. Finally, the synthesized and uncalcined materials were assessed in hydrogen production from water and a methanol-water solution under UV-light irradiation. The results showed that the sulphuration improves the photocatalytic activity, reaching a maximum rate constant of hydrogen production of 7403 µmol/g∙h in a methanol-water solution and 1326 µmol/g∙h in water.
- Subjects
INTERSTITIAL hydrogen generation; LAYERED double hydroxides; PHOTOCATALYSTS; HYDROGEN production; SULFURATION; X-ray diffraction; ZINC sulfide; HYDROXIDES
- Publication
Catalysts (2073-4344), 2023, Vol 13, Issue 3, p593
- ISSN
2073-4344
- Publication type
Academic Journal
- DOI
10.3390/catal13030593