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The effective and reusable photocatalyst film based on metal @metal organic framework@cellulose acetate [metal (Ag & Pd)@MIL-125-NH@CA] was systematically studied. Nano-silver was grown over the crystalline disc of MIL-125-NH within CA film, while, self-assembly of crystalline trees like the structure of Pd)@MIL-125-NH was observed inside CA matrix. The calculated band gap was diminished from 2.53 eV to 2.38-1.99 eV after doping of metal (Ag & Pd) within MIL-125-NH@CA film. Compared to MIL-125-NH@CA; metal (Ag & Pd)@MIL-125-NH@CA film showed a considerably higher photocatalytic reduction of nitro-aromatics in visible light. After 60 min, 80.6-93.5 % of 2-nitrophenol was photoreduced when metal (Ag & Pd)@MIL-125-NH@CA film was used. After 5 recycles, the photoreduction percentage of 2-nitrophenol was lowered to 54.4-62.0. The produced metal@MIL-125-NH@CA films showed an effective photocatalytic reduction of nitro-aromatics in the visible light, reflecting their promising performance in preparation of intermediates useful in many industrial products.
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| http://dx.doi.org/10.1016/j.carbpol.2020.116695 | DOI Listing |
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