4.6 Article

Construction of octahedral CoO@CoS composite structure via in-situ synthesis strategy for photocatalytic degradation of tetracycline

Journal

MATERIALS LETTERS
Volume 315, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.matlet.2022.132010

Keywords

Composite materials; Semiconductors; Solar energy materials

Funding

  1. Natural Science Foundation of FujianProvince for Youths [2021J05180]

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An octahedral CoO@CoS composite structure was successfully designed and prepared, which exhibited a significant improvement in photocatalytic performance for degradation of tetracycline compared to nude CoO. The improved performance is mainly attributed to the incorporation of CoS nanoparticles, which enhance the photo-absorption ability of octahedral CoO and facilitate the transfer and separation of charge carriers.
An octahedral CoO@CoS composite structure was dexterously designed and prepared via a facile two-step synthesis strategy. CoO@CoS composite photocatalysts displayed the uniform heterostructure between CoS nanoparticles and octahedral CoO. The photocatalytic performance of CoO@CoS composite material presented a significant improvement for degradation of tetracycline in comparison to nude CoO. The improved photo catalytic performance is primarily because the incorporation of CoS nanoparticles can enhance photo-absorption ability of octahedral CoO, and promote the transfer and separation of photo-generated charge carriers. Our work provides an efficacious and universal synthesis protocol to fabricate the efficient composite photocatalysts for photocatalytic applications.

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