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Author:

Wang, Yueshuai (Wang, Yueshuai.) | Selvakumar, Karuppaiah (Selvakumar, Karuppaiah.) | Oh, Tae Hwan (Oh, Tae Hwan.) | Arunpandian, Muthuraj (Arunpandian, Muthuraj.) | Swaminathan, Meenakshisundaram (Swaminathan, Meenakshisundaram.)

Indexed by:

EI Scopus SCIE

Abstract:

The distribution of active sites across the surface of a catalyst can help alleviate issues with mass transfer and improve atom economy. To create such a precise catalyst, this work reports the high loading of a single metal (tungsten/nickel) atom oxide anchored on the surface of TiO2 nanoparticles (WNiTiR) through a simple sonication method. According to aberration-corrected high-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM), tungsten/nickel atoms are distributed uniformly over TiO2 and reduced graphene oxide (rGO). The photodegradation process was optimized by investigating the impact of different catalysts, dosage variations, and the pH of the reaction medium. Remarkably, the WNiTiR nanocomposites demonstrated increased photocatalytic activity by degrading over 97.15% of Ibuprofen (IBF) and 98.35% of Ciprofloxacin (CF) pollutants. The findings of the experiment on reactive oxygen species (ROS) showed that the predominant active species were superoxide radicals (O2 center dot-). In addition, the WNiTiR nanocomposite displayed superior structural stability and reusability even after being put through six cycles of continuous use.

Keyword:

Single metal atom oxide Ibuprofen Heteropoly acid Ciprofloxacin Photodegradation

Author Community:

  • [ 1 ] [Wang, Yueshuai]Beijing Univ Technol, Inst Microstruct & Properties Adv Mat, Fac Mat & Mfg, Beijing 100124, Peoples R China
  • [ 2 ] [Selvakumar, Karuppaiah]Yeungnam Univ, Sch Chem Engn, Gyongsan 38541, South Korea
  • [ 3 ] [Oh, Tae Hwan]Yeungnam Univ, Sch Chem Engn, Gyongsan 38541, South Korea
  • [ 4 ] [Arunpandian, Muthuraj]PSR Engn Coll, Sevalpatti, Sivakasi 626140, Tamil Nadu, India
  • [ 5 ] [Swaminathan, Meenakshisundaram]Kalasalingam Acad Res & Educ, Dept Chem, Nanomat Lab, Krishnankoil 626126, India

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Source :

JOURNAL OF ALLOYS AND COMPOUNDS

ISSN: 0925-8388

Year: 2023

Volume: 950

6 . 2 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:26

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 22

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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