Heterostructured Bi2S3@NH2-MIL-125(Ti) nanocomposite as a bifunctional photocatalyst for Cr(VI) reduction and rhodamine B degradation under visible light

作者: Minghua Wang , Longyu Yang , Jinyun Yuan , Linghao He , Yingpan Song

DOI: 10.1039/C8RA00882E

关键词:

摘要: A series of bismuth sulfide (Bi2S3) nanorods and amine-functionalized Ti-based metal–organic framework heterojunctions [denoted by Bi2S3@NH2-MIL-125(Ti)] were constructed explored as bifunctional photocatalysts for Cr(VI) reduction rhodamine B (RhB) degradation under visible light illumination. Compared with the individual NH2-MIL-125(Ti) Bi2S3, as-synthesized Bi2S3@NH2-MIL-125(Ti) photocatalyst exhibited an enhanced photocatalytic activity toward RhB owning to synergetic effect between Bi2S3 NH2-MIL-125(Ti). Moreover, showed increased removal efficiency adding in system. The mechanism was proposed based on analysis different scavenger active species electron spin resonance spectrometry. introduction into can extend adsorption improve transfer separation photogenerated charge carriers through heterojunction unique band gap structure. synthesized also good reusability stability.

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