Methyl orange adsorption comparison on nanoparticles: Isotherm, kinetics, and thermodynamic studies

AAA Darwish, M Rashad, HA AL-Aoh - Dyes and Pigments, 2019 - Elsevier
A batch equilibrium system has been used to investigate the adsorption of methyl orange
(MO) on NiO and CuO nanoparticles (NPs). The effects of experimental conditions such as …

[PDF][PDF] Nanoscience for environmental remediation: A Review

I Ullah, S Ali, MA Hanif, SA Shahid - International Journal of …, 2012 - researchgate.net
A number of nanosized advanced materials have been synthesized for photocatalysis using
different techniques. These catalysts find applications in environmental remediation …

Citric acid assisted solvothermal synthesis of BiFeO3 microspheres with high visible-light photocatalytic activity

Y Huo, Y Jin, Y Zhang - Journal of Molecular Catalysis A: Chemical, 2010 - Elsevier
A novel BiFeO3 photocatalyst in the shape of uniform microspheres has been synthesized
by solvothermal process assisted with chelating effect of citric acid. The higher photoactivity …

Synthesis, characterization and photocatalytic performance of visible light induced bismuth oxide nanoparticle

W Raza, MM Haque, M Muneer, T Harada… - Journal of Alloys and …, 2015 - Elsevier
Pure and doped Bi 2 O 3 nanoparticles were synthesized by sol gel method. The
synthesized nanoparticles were characterized by X-ray diffraction (XRD), UV–Visible …

Fabrication of 3D Bi2O3-BiOI heterojunction by a simple dipping method: highly enhanced visible-light photoelectrocatalytic activity

Y Cong, Y Ji, Y Ge, H Jin, Y Zhang, Q Wang - Chemical Engineering …, 2017 - Elsevier
Abstract Three-dimensional (3D) Bi 2 O 3-BiOI heterojunction was fabricated on the basis of
Bi 2 O 3 film by a simple dipping method at room temperature. The as-prepared film samples …

Sunlight induced formation of surface Bi2O4− x–Bi2O3 nanocomposite during the photocatalytic mineralization of 2-chloro and 2-nitrophenol

A Hameed, M Aslam, IMI Ismail, N Salah… - Applied Catalysis B …, 2015 - Elsevier
The photocatalytic mineralization of 2-chlorophenol (2-CP) and 2-nitrophenol (2-NP) was
investigated using α-Bi 2 O 3. The experiments were performed both in complete spectrum …

Construction of SrTiO3/Bi2O3 heterojunction towards to improved separation efficiency of charge carriers and photocatalytic activity under visible light

H Che, J Chen, K Huang, W Hu, H Hu, X Liu… - Journal of Alloys and …, 2016 - Elsevier
In this paper, the novel SrTiO 3/Bi 2 O 3 heterostructures photocatalysts were fabricated by a
facile microwave process, and the visible-light-driven photocatalytic activity has been …

A comprehensive study on photocatalytic activity of supported Ni/Pb sulfide and oxide systems onto natural zeolite nanoparticles

M Babaahamdi-Milani… - Journal of Hazardous …, 2016 - Elsevier
Abstract The Ni (II)-Pb (II) exchanged clinoptilolite nanoparticles (NCP) were transformed to
corresponding oxides and sulfides via calcination and sulfiding processes, respectively. The …

Enhanced photocatalytic activity of a novel NiO/Bi2O3/Bi3ClO4 nanocomposite for the degradation of azo dye pollutants under visible light irradiation

H Najafian, F Manteghi, F Beshkar… - Separation and …, 2019 - Elsevier
In this work, a novel NiO/Bi 2 O 3/Bi 3 ClO 4 heterojunction nanocomposite with high visible-
light-driven photocatalytic performance has been fabricated via an improved Pechini sol-gel …

Crystalline metallic Au nanoparticle-loaded α-Bi 2 O 3 microrods for improved photocatalysis

HY Jiang, K Cheng, J Lin - Physical Chemistry Chemical Physics, 2012 - pubs.rsc.org
Crystalline metallic Au nanoparticles were loaded on α-Bi2O3 microrods (Au/α-Bi2O3) using
an Au deposition–precipitation method. The prepared samples were characterized by …