J 2019

Photochemical degradation of the environmental pollutants over the worm-like Nd 2 CuO 4 -Nd 2 O 3 nanostructures

PADERVAND, Mohsen, Gerhard LAMMEL, Alireza BARGAHI and Hamid MOHAMMAD-SHIRI

Basic information

Original name

Photochemical degradation of the environmental pollutants over the worm-like Nd 2 CuO 4 -Nd 2 O 3 nanostructures

Authors

PADERVAND, Mohsen (guarantor), Gerhard LAMMEL (276 Germany, belonging to the institution), Alireza BARGAHI and Hamid MOHAMMAD-SHIRI

Edition

Nano-Structures and Nano-Objects, Elsevier BV, 2019, 2352-507X

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

10403 Physical chemistry

Country of publisher

Netherlands

Confidentiality degree

není předmětem státního či obchodního tajemství

References:

RIV identification code

RIV/00216224:14310/19:00113636

Organization unit

Faculty of Science

Keywords in English

Electrochemical synthesis; Nd 2 CuO 4; Photodegradation; SVOCs

Tags

Tags

International impact, Reviewed
Změněno: 15/4/2020 16:45, Mgr. Marie Šípková, DiS.

Abstract

V originále

The synthesis of Nd2CuO4-Nd2O3 photosensitive nanocomposites by a combined electrochemical deposition-pyrolysis method is reported for the first time. The X-ray diffraction powder (XRD) analysis was well demonstrated the formation of the Nd2CuO4 tetragonal and Nd2O3 hexagonal (partially cubic) phases in the heterostructures. Scanning electron microscopy (SEM), energy dispersive x-ray (EDX), fourier transform infrared spectroscopy (FTIR), diffuse reflectance spectra (DRS), and Brunauer–Emmett–Teller (BET) specific surface area analysis methods were also used to characterize the samples. The results of DRS analysis showed that the photocatalyst has the band gap of 3.3 eV describing its response to ultraviolet (UV) photons. The catalytic activity was evaluated by photodegradation of two semivolatile organic compounds (SVOCs) i.e., 4-methoxy-2-nitrophenol (4Mx2Np) and 3-methyl-4-nitrophenol (3M4Np) which are known as important pollutions in the atmosphere. The pH effect, kinetics and mechanism of the photoreactions were also discussed. The recycling experiments were also performed and the results indicated that the prepared photocatalysts have high capacity for subsequent removal of the pollutants under ultraviolet light.