Magnetically recoverable MgFe2O4/conjugated polyvinyl chloride derivative nanocomposite with higher visible-light photocatalytic activity for treating Cr(VI)-polluted water

Spherical Bi2WO6/Bi2S3/MoS2 n-p Heterojunction with Excellent Visible-Light Photocatalytic Reduction Cr(VI) Activity

“…The evident signals of Bi, W, S, Mo, O, and Cr contaminants can be observed in the survey XPS curves of BBM-3-a ( Figure 8 c). The XPS peak of 577.1 eV in the Cr 2p spectrum ( Figure 8 d) belongs to Cr 2p 3/2 , which highly matches Cr(III) in Cr(OH) 3 [ 73 ]. To sum up, Bi 2 WO 6 /Bi 2 S 3 /MoS 2 heterojunction composite has high structural stability, good reusability, and can effectively reduce the toxicity of Cr(VI) to reduce it to Cr(III).…”

In situ construction of a C3N5 nanosheet/Bi2WO6 nanodot S-scheme heterojunction with enhanced structural defects for the efficient photocatalytic removal of tetracycline and Cr(vi)

“…Besides, the surface elements of the recycled 10CN/BWO were analyzed by XPS. The Cr 2p XPS spectrum presents peaks centered at 576.80 and 587.10 eV that are attributed to the Cr 2p 3/2 and Cr 2p 5/2 of Cr 3+ , [64][65][66] implying that Cr 6+ attached to the surface of 10CN/BWO is photo-reduced to Cr 3+ . 64 These find-ings verify that 10CN/BWO can efficiently and stably reduce Cr (VI) under visible light.…”

Subsurface and solid solution-type defect engineering in the CoCr2O4–Bi2WO4–NiS2 nanocomposite for the visible-light degradation of doxycycline and removal of chromium and its genotoxic evaluation in Allium cepa

“…16 The recent literature shows that semiconductor-based photocatalysis can act as an effective tool for the treatment of environmental water. 17,18 In this regard, metal chromate (ACrO x )-based nanomaterials have been widely used in photocatalytic applications due to its suitable band gap for the efficient utilization of visible light and also because they possess superior photocatalytic activity for the detoxification of polluted environmental water bodies. According to the previous literature, several chromate-based nanocatalysts have been developed for environmental water treatment, such as Cr 2 S 3 , Cr 2 O 3 , NiCr 2 O 4 , and CoCr 2 O 3 , due to their enhanced photocatalytic activity under visible light irradiation.…”

“…16 The recent literature shows that semiconductor-based photocatalysis can act as an effective tool for the treatment of environmental water. 17,18…”