{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["9(50)"],"submitter":["Mehrehjedy A"],"pubmed_abstract":["Co-doped ZIF-8 as a water-stable visible light photocatalyst was prepared by using a one-pot, fast, cost-effective, and environmentally friendly method. The band structure of ZIF-8 was tuned through the incorporation of different percentages of cobalt to attain an optimal band gap (<i>E</i> <sub>g</sub>) that enables the activation of ZIF-8 under visible light and minimizes the recombination of photogenerated charge carriers. A magnetic composite of Co-doped ZIF-8 was also synthesized to facilitate catalyst recycling and reusability through the application of an external magnetic field. Surface modification of magnetic Fe<sub>3</sub>O<sub>4</sub> nanoparticles with microcrystalline cellulose (MCC) was used to reduce the level of agglomeration. The photocatalytic activities of Co-doped ZIF-8 (Co-ZIF-8) and Fe<sub>3</sub>O<sub>4</sub>/MCC/Co-ZIF-8 were evaluated for the photodegradation of methylene blue (MB) under visible light irradiation from a 20 W LED source. Co-ZIF-8 showed considerably higher photocatalytic activity than pure ZIF-8, confirming the success of the doping strategy. Both Co20%-ZIF-8 and Fe<sub>3</sub>O<sub>4</sub>/MCC/Co20%-ZIF-8 exhibited similar and remarkable photocatalytic activity under visible light (achieving 97% MB removal). The mechanism of photodegradation of MB by Fe<sub>3</sub>O<sub>4</sub>/MCC/Co20%-ZIF-8 was studied, revealing a first-order degradation kinetics (<i>k</i> = 13.78 × 10<sup>-3</sup> min<sup>-1</sup>), with peroxide and hole species as the predominant active reagents. The magnetic composite successfully displayed recyclability and reusability over multiple cycles with negligible reduction in MB photodegradation efficiency."],"journal":["ACS omega"],"pagination":["49239-49248"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11656232"],"repository":["biostudies-literature"],"pubmed_title":["Fast and Facile Synthesis of Cobalt-Doped ZIF-8 and Fe&lt;sub&gt;3&lt;/sub&gt;O&lt;sub&gt;4&lt;/sub&gt;/MCC/Cobalt-Doped ZIF-8 for the Photodegradation of Organic Dyes under Visible Light."],"pmcid":["PMC11656232"],"pubmed_authors":["Mehrehjedy A","Kshirsagar AS","Azoulay JD","Jankoski P","Gu X","Gangishetty MK","He X","Ahmad Z","Miao W","Guo S","Kumar P","Clemons TD"],"additional_accession":[]},"is_claimable":false,"name":"Fast and Facile Synthesis of Cobalt-Doped ZIF-8 and Fe&lt;sub&gt;3&lt;/sub&gt;O&lt;sub&gt;4&lt;/sub&gt;/MCC/Cobalt-Doped ZIF-8 for the Photodegradation of Organic Dyes under Visible Light.","description":"Co-doped ZIF-8 as a water-stable visible light photocatalyst was prepared by using a one-pot, fast, cost-effective, and environmentally friendly method. The band structure of ZIF-8 was tuned through the incorporation of different percentages of cobalt to attain an optimal band gap (<i>E</i> <sub>g</sub>) that enables the activation of ZIF-8 under visible light and minimizes the recombination of photogenerated charge carriers. A magnetic composite of Co-doped ZIF-8 was also synthesized to facilitate catalyst recycling and reusability through the application of an external magnetic field. Surface modification of magnetic Fe<sub>3</sub>O<sub>4</sub> nanoparticles with microcrystalline cellulose (MCC) was used to reduce the level of agglomeration. The photocatalytic activities of Co-doped ZIF-8 (Co-ZIF-8) and Fe<sub>3</sub>O<sub>4</sub>/MCC/Co-ZIF-8 were evaluated for the photodegradation of methylene blue (MB) under visible light irradiation from a 20 W LED source. Co-ZIF-8 showed considerably higher photocatalytic activity than pure ZIF-8, confirming the success of the doping strategy. Both Co20%-ZIF-8 and Fe<sub>3</sub>O<sub>4</sub>/MCC/Co20%-ZIF-8 exhibited similar and remarkable photocatalytic activity under visible light (achieving 97% MB removal). The mechanism of photodegradation of MB by Fe<sub>3</sub>O<sub>4</sub>/MCC/Co20%-ZIF-8 was studied, revealing a first-order degradation kinetics (<i>k</i> = 13.78 × 10<sup>-3</sup> min<sup>-1</sup>), with peroxide and hole species as the predominant active reagents. The magnetic composite successfully displayed recyclability and reusability over multiple cycles with negligible reduction in MB photodegradation efficiency.","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Dec","modification":"2025-04-18T12:52:15.716Z","creation":"2025-04-06T22:13:33.632Z"},"accession":"S-EPMC11656232","cross_references":{"pubmed":["39713623"],"doi":["10.1021/acsomega.4c06142"]}}