Efficient photocatalytic reduction of aqueous Cr(VI) over flower-like SnIn4S8 microspheres under visible light illumination

Lin Wang; Xinyong Li; Wei Teng; Qidong Zhao; Yong Shi; Renliang Yue; Yunfa Chen

doi:10.1016/j.jhazmat.2012.10.062

Efficient photocatalytic reduction of aqueous Cr(VI) over flower-like SnIn₄S₈ microspheres under visible light illumination

Lin Wang, Xinyong Li^*, Wei Teng, Qidong Zhao, Yong Shi, Renliang Yue, Yunfa Chen

^*Corresponding author for this work

Research output: Contribution to journal › Journal Article › peer-review

120 Citations (Scopus)

Abstract

Photocatalytic reduction of aqueous Cr(VI) was successfully achieved on nanostructured SnIn₄S₈. The SnIn₄S₈ particles with flower-like nanostructure were synthesized via a facile solvothermal method. UV-vis diffuse reflectance spectra (DRS) indicated that the SnIn₄S₈ particles had strong absorption in visible region and the band gap was estimated to be from 2.27 to 2.35eV. The photocatalytic reduction of aqueous Cr(VI) by flower-like SnIn₄S₈ was evaluated under visible light (λ>400nm) irradiation. The polyvinyl pyrrolidone (PVP) assisted SnIn₄S₈ sample exhibits excellent removal efficiency of Cr(VI) (∼97%) and good photocatalytic stability. The predominant photocatalytic activity is due to its large surface area, strong absorption in visible-light region and excellent charge separation characteristics.

Original language	English
Pages (from-to)	681-688
Number of pages	8
Journal	Journal of Hazardous Materials
Volume	244-245
DOIs	https://doi.org/10.1016/j.jhazmat.2012.10.062
Publication status	Published - 5 Jan 2013
Externally published	Yes

Keywords

Cr(VI) reduction
Flower-like
Photocatalytic
SnInS
Surfactants

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10.1016/j.jhazmat.2012.10.062

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@article{612eb16ed94f457687c82992413bf4b3,

title = "Efficient photocatalytic reduction of aqueous Cr(VI) over flower-like SnIn4S8 microspheres under visible light illumination",

abstract = "Photocatalytic reduction of aqueous Cr(VI) was successfully achieved on nanostructured SnIn4S8. The SnIn4S8 particles with flower-like nanostructure were synthesized via a facile solvothermal method. UV-vis diffuse reflectance spectra (DRS) indicated that the SnIn4S8 particles had strong absorption in visible region and the band gap was estimated to be from 2.27 to 2.35eV. The photocatalytic reduction of aqueous Cr(VI) by flower-like SnIn4S8 was evaluated under visible light (λ>400nm) irradiation. The polyvinyl pyrrolidone (PVP) assisted SnIn4S8 sample exhibits excellent removal efficiency of Cr(VI) (∼97\%) and good photocatalytic stability. The predominant photocatalytic activity is due to its large surface area, strong absorption in visible-light region and excellent charge separation characteristics.",

keywords = "Cr(VI) reduction, Flower-like, Photocatalytic, SnInS, Surfactants",

author = "Lin Wang and Xinyong Li and Wei Teng and Qidong Zhao and Yong Shi and Renliang Yue and Yunfa Chen",

year = "2013",

month = jan,

day = "5",

doi = "10.1016/j.jhazmat.2012.10.062",

language = "English",

volume = "244-245",

pages = "681--688",

journal = "Journal of Hazardous Materials",

issn = "0304-3894",

publisher = "Elsevier B.V.",

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TY - JOUR

T1 - Efficient photocatalytic reduction of aqueous Cr(VI) over flower-like SnIn4S8 microspheres under visible light illumination

AU - Wang, Lin

AU - Li, Xinyong

AU - Teng, Wei

AU - Zhao, Qidong

AU - Shi, Yong

AU - Yue, Renliang

AU - Chen, Yunfa

PY - 2013/1/5

Y1 - 2013/1/5

N2 - Photocatalytic reduction of aqueous Cr(VI) was successfully achieved on nanostructured SnIn4S8. The SnIn4S8 particles with flower-like nanostructure were synthesized via a facile solvothermal method. UV-vis diffuse reflectance spectra (DRS) indicated that the SnIn4S8 particles had strong absorption in visible region and the band gap was estimated to be from 2.27 to 2.35eV. The photocatalytic reduction of aqueous Cr(VI) by flower-like SnIn4S8 was evaluated under visible light (λ>400nm) irradiation. The polyvinyl pyrrolidone (PVP) assisted SnIn4S8 sample exhibits excellent removal efficiency of Cr(VI) (∼97%) and good photocatalytic stability. The predominant photocatalytic activity is due to its large surface area, strong absorption in visible-light region and excellent charge separation characteristics.

AB - Photocatalytic reduction of aqueous Cr(VI) was successfully achieved on nanostructured SnIn4S8. The SnIn4S8 particles with flower-like nanostructure were synthesized via a facile solvothermal method. UV-vis diffuse reflectance spectra (DRS) indicated that the SnIn4S8 particles had strong absorption in visible region and the band gap was estimated to be from 2.27 to 2.35eV. The photocatalytic reduction of aqueous Cr(VI) by flower-like SnIn4S8 was evaluated under visible light (λ>400nm) irradiation. The polyvinyl pyrrolidone (PVP) assisted SnIn4S8 sample exhibits excellent removal efficiency of Cr(VI) (∼97%) and good photocatalytic stability. The predominant photocatalytic activity is due to its large surface area, strong absorption in visible-light region and excellent charge separation characteristics.

KW - Cr(VI) reduction

KW - Flower-like

KW - Photocatalytic

KW - SnInS

KW - Surfactants

UR - https://www.webofscience.com/wos/woscc/full-record/WOS:000315001000080

UR - https://openalex.org/W2078170903

UR - https://www.scopus.com/pages/publications/84872598038

U2 - 10.1016/j.jhazmat.2012.10.062

DO - 10.1016/j.jhazmat.2012.10.062

M3 - Journal Article

SN - 0304-3894

VL - 244-245

SP - 681

EP - 688

JO - Journal of Hazardous Materials

JF - Journal of Hazardous Materials

ER -

Efficient photocatalytic reduction of aqueous Cr(VI) over flower-like SnIn₄S₈ microspheres under visible light illumination

Abstract

Keywords

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