SnS2/ZIF-67 nanocomposite: A novel bifunctional, highly efficient, and reusable photocatalyst for enhanced visible-light-assisted biodiesel production and degradation of tinidazole

IF 5.3 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Materials Research Bulletin Pub Date : 2024-11-05 DOI:10.1016/j.materresbull.2024.113177

Vishal Gadore, Soumya Ranjan Mishra, Md. Ahmaruzzaman

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Abstract

Herein, a novel bifunctional, highly efficient and reusable visible-light active SnS₂/ZIF-67 nanocomposite was fabricated for improved photodegradation of tinidazole (TDZ) and photocatalytic biodiesel production from soyabean oil. An improved photocatalytic performance was ascribed to the enhanced separation of charges and narrow-bandgap energy of the photocatalyst by synergistic- interaction between SnS₂ and ZIF-67. Within 60 min of irradiation, 96.31± 1.62 % of 15 ppm TDZ could be removed by 0.3 mM H₂O₂, 0.4 g/L of prepared photocatalyst under mild-conditions. The appraisal of photocatalytic activity of SnS₂/ZIF-67 nanocomposite for photocatalytic degradation of TDZ under actual wastewater conditions was studied by introducing various co-existing ions and water matrices. The SnS₂/ZIF-67 photocatalyst showed biodiesel yield of 91.25 ± 1.58 % at photocatalyst loading of 3 wt% and methanol-to-oil ratio of 10:1 within 50 min of light-irradiation. The current research highlighted the potential of metal-sulphides for water remediation and biodiesel production under light-irradiation.

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SnS2/ZIF-67 纳米复合材料：一种新型双功能、高效、可重复使用的光催化剂，用于增强可见光辅助生物柴油的生产和替硝唑的降解

本文制备了一种新型双功能、高效、可重复使用的可见光活性 SnS2/ZIF-67 纳米复合材料，用于改进对替硝唑（TDZ）的光降解以及从大豆油中光催化生产生物柴油。光催化性能的提高归因于 SnS2 和 ZIF-67 之间的协同作用增强了光催化剂的电荷分离和窄带隙能。在温和条件下，0.3 mM H2O2、0.4 g/L 制备的光催化剂可在 60 分钟内去除 96.31± 1.62 % 的 15 ppm TDZ。通过引入各种共存离子和水基质，研究了 SnS2/ZIF-67 纳米复合材料在实际废水条件下光催化降解 TDZ 的光催化活性评价。在光催化剂负载量为 3 wt%、甲醇与油的比例为 10:1 的条件下，SnS2/ZIF-67 光催化剂在光照 50 分钟内的生物柴油产率为 91.25 ± 1.58%。目前的研究凸显了金属硫化物在光照下用于水修复和生物柴油生产的潜力。

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来源期刊

Materials Research Bulletin 工程技术-材料科学：综合

CiteScore

9.80

自引率

5.60%

发文量

372

审稿时长

42 days

期刊介绍： Materials Research Bulletin is an international journal reporting high-impact research on processing-structure-property relationships in functional materials and nanomaterials with interesting electronic, magnetic, optical, thermal, mechanical or catalytic properties. Papers purely on thermodynamics or theoretical calculations (e.g., density functional theory) do not fall within the scope of the journal unless they also demonstrate a clear link to physical properties. Topics covered include functional materials (e.g., dielectrics, pyroelectrics, piezoelectrics, ferroelectrics, relaxors, thermoelectrics, etc.); electrochemistry and solid-state ionics (e.g., photovoltaics, batteries, sensors, and fuel cells); nanomaterials, graphene, and nanocomposites; luminescence and photocatalysis; crystal-structure and defect-structure analysis; novel electronics; non-crystalline solids; flexible electronics; protein-material interactions; and polymeric ion-exchange membranes.