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  • Photocatalytic water splitting of improved strontium titanate for simultaneous separation of ▫$H_2$▫ in a twin photoreactor
    Tai, Yu-Yang ...
    A core-shell structural Rh-CrOx loaded on Al3+ doped strontium titanate was used for photocatalytic water splitting. A specially designed twin photoreactor, which integrates the water splitting and ... the degradation of isopropanol, can simultaneously carry out the degradation of isopropanol and hydrogen production. A flux method was conducted to prepare Rh@CrO3 cocatalyst on Al3+ doped high-crystallinity strontium titanate for the photocatalyst of hydrogen evolution. Nearly 1200 μmole/g of hydrogen was evolved in photocatalytic whole water splitting in five hours under simulated AM 1.5 G sunlight. Pt-loaded WO3 was utilized to degrade 100 ppm isopropanol solution. The above photocatalysts were used in the twin reactor with electron-mediator I-/IO3- and a Neosepta anion-exchanged membrane. Hydrogen evolution of 1102 μmole/g and isopropanol removal of 10.1% were achieved in five hours, indicating the rate-limiting H2 rate was overcome. The quantum efficiencies on the hydrogen-evolution and degradation sides were estimated to be 0.102% and 0.123%, respectively.
    Source: Applied catalysis [Elektronski vir]. B, Environmental.. - ISSN 1873-3883 (Vol. 324, [article no.] 122183, 5 May 2023, str. 1-10)
    Type of material - e-article ; adult, serious
    Publish date - 2023
    Language - english
    COBISS.SI-ID - 131387907

    Link(s):

    https://www.sciencedirect.com/science/article/abs/pii/S0926337322011249?via%3Dihub

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