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Tailoring MOF-5 Photocatalysts: Low-Temperature Synthesis and Solvent Variations for Enhanced Performance in Dye Degradation

1Department of Applied Science, School of Engineering and Technology, Sushant University, Gurugram, Haryana, India

2Department of Physics, Netaji Subhas University of Technology, East Campus, Delhi, India

3Department of Nanoscience and Materials, Central University of Jammu, Jammu, India

4 Centre for Life Sciences, Chitkara School of Health Sciences, Chitkara University, Rajpura- 140401, Punjab, India

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Received: 26 Oct 2023; Revised: 4 Dec 2023; Accepted: 5 Dec 2023; Available online: 8 Dec 2023; Published: 30 Apr 2024.
Editor(s): Istadi Istadi
Open Access Copyright (c) 2024 by Authors, Published by BCREC Group
Creative Commons License This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
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Metal-organic frameworks (MOFs) are emerging as pivotal porous crystalline materials with diverse applications. Typically, MOFs are synthesized using solvothermal techniques at high temperatures and pressures. In this study, a novel approach was employed to synthesize zinc-based MOFs, specifically MOF-5, at low temperatures (up to 50 °C) via chemical mixing at standard pressures. Varying the temperature and solvents, N-methyl-2-pyrrolidone (NMP) and N,N-dimethylformamide (DMF), in the chemical mixing process, the highest yield of the material was observed with DMF at 50 °C (M1). Two additional samples, M2 and M3, are synthesized at room temperature using DMF and NMP, respectively. Despite similarities in XRD, Raman, and FTIR analyses confirming successful MOF-5 formation, noticeable differences in sample morphology arise due to distinct synthesis conditions, particularly solvent and temperature variations. The MOF-5 samples exhibit UV absorption with varying band gaps. Notably, when employed as photocatalysts for organic dye (methylene blue) degradation, M2 outperforms others, achieving an impressive 85% degradation under simulated solar light irradiation. This work underscores the significance of tuning MOF photocatalyst properties through tailored synthesis routes, recognizing the profound impact of morphology and elemental composition on enhancing photocatalytic dye degradation performance. Copyright © 2024 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (


Keywords: Photocatalysis; MOF-5; organic dye degradation; synthesis parameters; water treatment.

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