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One-step synthesis of highly active cotton floc like ZnO–BiOI

: The cotton floc-like structure provides a high surface area, which maximizes the contact between the catalyst and pollutants. 124272

Environmental pollution from organic dyes in wastewater remains a critical global challenge. This study presents a novel of a "cotton floc-like" ZnO–BiOI hybrid material. By combining zinc oxide (ZnO) and bismuth oxyiodide (BiOI), we developed a heterostructure that significantly enhances photocatalytic activity under visible light . The unique morphology improves light absorption and facilitates the separation of photo-generated charge carriers. Our findings demonstrate rapid degradation of organic pollutants, high stability, and ease of recovery from aqueous solutions. 1. Introduction One-step synthesis of highly active cotton floc like