Journal ArticleDOI
Hierarchical assembly of graphene-bridged Ag3PO4/Ag/BiVO4 (040) Z-scheme photocatalyst: An efficient, sustainable and heterogeneous catalyst with enhanced visible-light photoactivity towards tetracycline degradation under visible light irradiation
Fei Chen,Qi Yang,Xiaoming Li,Guangming Zeng,Dongbo Wang,Cheng-Gang Niu,Jianwei Zhao,Hongxue An,Ting Xie,Yaocheng Deng +9 more
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TLDR
In this paper, a novel graphene-bridged Ag3PO4/Ag/BiVO4 (040) Z-scheme heterojunction with excellent visible-light-driven photocatalytic performance was fabricated using a facile in situ deposition method followed by photo-reduction.Abstract:
A novel graphene-bridged Ag3PO4/Ag/BiVO4 (040) Z-scheme heterojunction with excellent visible-light-driven photocatalytic performance was fabricated using a facile in situ deposition method followed by photo-reduction. The as-obtained nanocomposite was employed to degrade tetracycline (TC) in water under visible light irradiation. Compared to pure BiVO4, Ag3PO4 and other nanocomposites, Ag/Ag3PO4/BiVO4/RGO displayed more superior photodegradation efficiency with 94.96% removal of TC (10 mg/L) in 60 min, where the optimal conditions was catalysis dosage 0.50 g/L and initial pH at ca. 6.75. The influences of TC concentrations, light irradiation condition, coexistence ions and water sources were also investigated in details. The enhanced photocatalytic activities could be attributed to the suppression of charge recombination, high specific surface area and desirable absorption capability of Ag/Ag3PO4/BiVO4/RGO, which were in sequence confirmed by PL, PC, EIS, BET and DRS tests. The synergistic effects of RGO and Ag/Ag3PO4 in the hybrid could also contribute to the improved photo-stability and recyclability towards TC decomposition. In addition, radical trapping experiments and ESR measurement revealed that the photo-induced active species superoxide radical ( O2−) and holes (h+) were the predominant active species in the photocatalytic system. The Ag/Ag3PO4/BiVO4/RGO nanocomposite also possessed desirable photocatalytic performance on the degradation of TC from real wastewater, further verifying its potential in practical industries. This work provides a promising approach to construct visible-light response and more stabilized nanocomposite photocatalysts applied in efficient treatment of persistent pollutants in wastewater.read more
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Journal ArticleDOI
One-Pot in Situ Hydrothermal Growth of BiVO 4 /Ag/rGO Hybrid Architectures for Solar Water Splitting and Environmental Remediation
Santosh S. Patil,Mukund G. Mali,Mostafa Afifi Hassan,Deepak R. Patil,Sanjay S. Kolekar,Sang-Wan Ryu +5 more
TL;DR: The enhanced PEC/photocatalytic performance of the synthesized BiVO4/Ag/rGO hybrid sample can be attributed to the combined effects of strong visible light absorption, improved charge separation-transportation and excellent surface properties.
Journal ArticleDOI
Towards full-spectrum (UV, visible, and near-infrared) photocatalysis: achieving an all-solid-state Z-scheme between Ag2O and TiO2 using reduced graphene oxide as the electron mediator
TL;DR: In this article, an all-solid-state Z-scheme photocatalytic system for the degradation of tetracycline (TC) under UV, visible, NIR, near-infrared (NIR) and simulated solar light irradiation was proposed.
Journal ArticleDOI
Synthesis of Ag3PO4/G-C3N4 Composite with Enhanced Photocatalytic Performance for the Photodegradation of Diclofenac under Visible Light Irradiation
TL;DR: In this article, a new visible-light-driven heterojunction Ag3PO4/g-C3N4 was prepared by a simple deposition-precipitation method for the degradation analysis of diclofenac (DCF), a model drug component, under visible light irradiation.
Journal ArticleDOI
Nitrogen defects/boron dopants engineered tubular carbon nitride for efficient tetracycline hydrochloride photodegradation and hydrogen evolution
Marino Zorzi,Lin Chen,Yixuan Wang,Carlton Quinn Shield Chief Gover,Witold Rohm,Shuai Cheng,Xiaoli Zhao,Jinqiang Zhang,Zhimin Ao,Chaocheng Zhao,Bin Li,Shuaijun Wang,Shaobin Wang,Hongqi Sun +13 more
TL;DR: In this paper, a tubular carbon nitride (D-TCN450) with nitrogen defects/boron dopants via a self-supramolecular reaction and NaBH4 thermal reduction approach is presented.
Journal ArticleDOI
Nitrogen defects/boron dopants engineered tubular carbon nitride for efficient tetracycline hydrochloride photodegradation and hydrogen evolution
TL;DR: In this paper , a tubular carbon nitride (D-TCN450) with nitrogen defects/boron dopants via a self-supramolecular reaction and NaBH4 thermal reduction approach is presented.
References
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Dana W. Kolpin,Edward T. Furlong,Michael T. Meyer,E. Michael Thurman,Steven D. Zaugg,Larry B. Barber,Herbert T. Buxton +6 more
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