Unknown

Dataset Information

0

Construction of 1T-MoS2 quantum dots-interspersed (Bi1-x Fe x )VO4 heterostructures for electron transport and photocatalytic properties.

ABSTRACT: The present study reports trigonal phase molybdenum disulfide quantum dots (MoS2/QDs)-decorated (Bi1-x Fe x )VO4 composite heterostructures. Initially, (Bi1-x Fe x )VO4 heterostructure nanophotocatalysts were synthesized through the hydrothermal method decorated with 1T-MoS2 via a sonication process. 1T-MoS2@(Bi1-x Fe x )VO4 heterostructures were characterized in detail for phase purity and crystallinity using XRD and Raman spectroscopy. The Raman mode evaluation indicated monoclinic, mixed monoclinic-tetragonal and tetragonal structure development with increasing Fe concentration. For physiochemical properties, SEM, EDX, XPS, PL, EPR, UV-visible and BET techniques were applied. The optical energy band gaps of 1T-MoS2@(Bi1-x Fe x )VO4 heterostructures were calculated using the Tauc plot method. It shows a blue shift initially within a monoclinic structure then a red shift with an increase of Fe concentration. 1T-MoS2@(Bi40Fe60)VO4 with 2 wt% of 1T-MoS2-QDs carrying a mixed phase exhibited higher photocatalytic activity. The enhanced photocatalytic activity is attributed to the higher electron transportation from (Bi1-x Fe x )VO4 surface onto 1T-MoS2 surface, consequently blocking the fast electron-hole recombination within (Bi1-x Fe x )VO4. 1T-MoS2 co-catalyst interaction with (Bi1-x Fe x )VO4 enhanced the light absorption in the visible region. The close contact of small 1T-MoS2-QDs with (Bi1-x Fe x )VO4 develops a high degree of crystallinity, with fewer defects showing mesoporous/nanoporous structures within the heterostructures which allows more active sites. Herein, the mechanism involved in the synthesis of heterostructures and optimum conditions for photocatalytic degradation of crystal violet dye are explored and discussed thoroughly.

SUBMITTER: Sajid MM 

PROVIDER: S-EPMC8697336 | biostudies-literature | 2021 Apr

REPOSITORIES: biostudies-literature

Json Xml
altmetric image

Publications

Construction of 1T-MoS<sub>2</sub> quantum dots-interspersed (Bi<sub>1-<i>x</i></sub> Fe <sub><i>x</i></sub> )VO<sub>4</sub> heterostructures for electron transport and photocatalytic properties.

Sajid Muhammad Munir MM   Zhai Haifa H   Shad Naveed Akhtar NA   Shafique Muhammad M   Afzal Amir Muhammad AM   Javed Yasir Y   Khan Sadaf Bashir SB   Amin Nasir N   Zhang Zhengjun Z  

RSC advances 20210407 22

The present study reports trigonal phase molybdenum disulfide quantum dots (MoS<sub>2</sub>/QDs)-decorated (Bi<sub>1-<i>x</i></sub> Fe <sub><i>x</i></sub> )VO<sub>4</sub> composite heterostructures. Initially, (Bi<sub>1-<i>x</i></sub> Fe <sub><i>x</i></sub> )VO<sub>4</sub> heterostructure nanophotocatalysts were synthesized through the hydrothermal method decorated with 1T-MoS<sub>2</sub> <i>via</i> a sonication process. 1T-MoS<sub>2</sub>@(Bi<sub>1-<i>x</i></sub> Fe <sub><i>x</i></sub> )VO<sub>  ...[more]

Similar Datasets

Unknown Ball-milling synthesized Bi<sub>2</sub>VO<sub>5.5</sub> for piezo-photocatalytic assessment.
| S-EPMC10199923 | biostudies-literature
Unknown Spark Plasma Sintering-Assisted Synthesis of Bi<sub>2</sub>Fe<sub>4</sub>O<sub>9</sub>/Bi<sub>25</sub>FeO<sub>40</sub> Heterostructures with Enhanced Photocatalytic Activity for Removal of Antibiotics.
| S-EPMC9604494 | biostudies-literature
Unknown A comparative study on the photocatalytic degradation of organic dyes using hybridized 1T/2H, 1T/3R and 2H MoS<sub>2</sub> nano-sheets.
| S-EPMC9083085 | biostudies-literature
Unknown In Situ Growth of Metallic 1T-MoS<sub>2</sub> on TiO<sub>2</sub> Nanotubes with Improved Photocatalytic Performance.
| S-EPMC8154240 | biostudies-literature
Unknown 2H-SnS<sub>2</sub> assembled with petaloid 1T@2H-MoS<sub>2</sub> nanosheet heterostructures for room temperature NO<sub>2</sub> gas sensing.
| S-EPMC11293367 | biostudies-literature
Unknown Enhancing Visible Light Photocatalytic Degradation of Bisphenol A Using BiOI/Bi<sub>2</sub>MoO<sub>6</sub> Heterostructures.
| S-EPMC10179956 | biostudies-literature
Unknown Enhanced sunlight driven photocatalytic activity of In<sub>2</sub>S<sub>3</sub> nanosheets functionalized MoS<sub>2</sub> nanoflowers heterostructures.
| S-EPMC8319311 | biostudies-literature
Unknown Ex Situ Synthesis and Characterizations of MoS<sub>2</sub>/WO<sub>3</sub> Heterostructures for Efficient Photocatalytic Degradation of RhB.
| S-EPMC9458188 | biostudies-literature
Unknown Efficient MoWO<sub>3</sub>/VO<sub>2</sub>/MoS<sub>2</sub>/Si UV Schottky photodetectors; MoS<sub>2</sub> optimization and monoclinic VO<sub>2</sub> surface modifications.
| S-EPMC7522211 | biostudies-literature
Unknown Highly defective graphene quantum dots-doped 1T/2H-MoS<sub>2</sub> as an efficient composite catalyst for the hydrogen evolution reaction.
| S-EPMC10499812 | biostudies-literature