CdS(en) hybrid nanoparticles supported on Mg(OH)2-MgO mixture. Suitable preparation via a one pot synthesis for the photocatalytic H2 production

  1. Angela G. Romero
  2. SANDRA LUCIA RAMIREZ RAVE
  3. Agileo Hernández-Gordillo
  4. Ivan D. Rojas-Montoya
  5. Ricardo Gómez
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Abstract

CdS(en)/Mg(OH) 2 -MgO photocatalysts were easily synthesized using a one pot synthesis, and their structural, optical and morphological properties were characterized by X-ray diffraction, UV-vis spectroscopy, FTIR spectroscopy, nitrogen physisorption and scanning electron microscopy (SEM). These supported materials were used as photocatalysts in the hydrogen evolution reaction (HER), using water as the raw material, and methanol as sacrificial molecule under visible (blue) light irradiation. CdS(en)/Mg(OH) 2 -MgO materials presented high performances in the HER reaction. When Mg(OH) 2 -MgO support was obtained by ammonia pre-treatment of MgO, an improvement in the electronic-optical and textural properties was observed, resulting in an enhancement in the H 2 yields.

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  1. Version published to 10.21203/rs.3.rs-5206019/v1 on Research Square