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Shi, Zhun; Zhang, Yan; Shen, Xiaofeng; Duoerkun, Gumila; Zhu, Bo; Zhang, Lisha; Li, Maoquan; Chen, Zhigang
Chemical engineering journal (Lausanne, Switzerland : 1996), 04/2020, Letnik: 386Journal Article
CFs/g-C3N4/BiOBr bundles have been prepared, and they can be woven into recyclable cloth-shaped visible-light-driven photocatalyst for degrading TC-HCl in water. Display omitted •In-situ growth of g-C3N4/BiOBr heterojunctions on CFs.•Broad photoabsorption and high photocurrent of CFs/g-C3N4/BiOBr.•Simple weave of CFs/g-C3N4/BiOBr fibers to cloth.•High photocatalytic activity and simple recyclable process. The photocatalytic degradation of tetracycline (TC) in water has received much attention, but its practical application in the river has been limited by a lack of efficient and recyclable visible-light-driven photocatalysts. To solve this problem, with flexible carbon fiber (CF) bundles as substrate, we have reported the in-situ growth of g-C3N4/BiOBr heterojunctions as weaveable photocatalyst. g-C3N4 nanosheets (thickness: ~30 nm, diameter: 0.4–1 μm) and BiOBr layer (thickness: ~25 nm, diameter: 200–500 nm) were grown on CFs successively. CFs/g-C3N4/BiOBr bundles could be woven into cloth (area: 5 × 5 cm2, weight: 0.15 g), and the cloth exhibited remarkably enhanced photodegradation efficiency (86.1%) for degrading TC-HCl in 120 min. In addition, h+, O2− and OH were demonstrated as the reactive species contributing to the elimination of TC-HCl. Especially, two possible pathways of degrading TC-HCl were proposed based on the intermediate products. Thus, CFs/g-C3N4/BiOBr could serve as a flexible, weaveable and recyclable photocatalyst for antibiotic elimination in an aqueous environment.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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