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author:

Liang, Ruowen (Liang, Ruowen.) [1] | Shen, Lijuan (Shen, Lijuan.) [2] | Jing, Fenfen (Jing, Fenfen.) [3] | Qin, Na (Qin, Na.) [4] | Wu, Ling (Wu, Ling.) [5]

Indexed by:

EI

Abstract:

In this work, MIL-53(Fe)-reduced graphene oxide (M53-RGO) nanocomposites have been successfully fabricated by a facile and efficient electrostatic self-assembly strategy for improving the interfacial contact between RGO and the MIL-53(Fe). Compared with D-M53-RGO (direct synthesis of MIL-53(Fe)-reduced graphene oxide nanocomposites via one-pot solvothermal approach), M53-RGO nanocomposites exhibit improved photocatalytic activity compared with the D-M53-RGO under identical experimental conditions. After 80 min of visible light illumination (λ ≥ 420 nm), the reduction ratio of Cr(VI) is rapidly increased to 100%, which is also higher than that of reference sample (N-doped TiO2). More significantly, the M53-RGO nanocomposites are proven to perform as bifunctional photocatalysts with considerable activity in the mixed systems (Cr(VI)/dyes) under visible light, which made it a potential candidate for industrial wastewater treatment. Combining with photoelectrochemical analyses, it could be revealed that the introduction of RGO would minimize the recombination of photogenerated electron-hole pairs. Additionally, the effective interfacial contact between MIL-53(Fe) and RGO surface would further accelerate the transfer of photogenerated electrons, leading to the enhancement of photocatalytic activity of M53-RGO toward photocatalytic reactions. Finally, a possible photocatalytic reaction mechanism is also investigated in detail. © 2015 American Chemical Society.

Keyword:

Chromium compounds Doping (additives) Dyes Graphene Industrial water treatment Light Nanocomposites Photocatalysis Photocatalytic activity Self assembly Titanium dioxide Wastewater treatment

Community:

  • [ 1 ] [Liang, Ruowen]State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou; 350002, China
  • [ 2 ] [Shen, Lijuan]State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou; 350002, China
  • [ 3 ] [Jing, Fenfen]State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou; 350002, China
  • [ 4 ] [Qin, Na]State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou; 350002, China
  • [ 5 ] [Wu, Ling]State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fuzhou; 350002, China

Reprint 's Address:

  • [wu, ling]state key laboratory of photocatalysis on energy and environment, fuzhou university, fuzhou; 350002, china

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Source :

ACS Applied Materials and Interfaces

ISSN: 1944-8244

Year: 2015

Issue: 18

Volume: 7

Page: 9507-9515

7 . 1 4 5

JCR@2015

8 . 5 0 0

JCR@2023

ESI HC Threshold:335

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 257

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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