Synthesis of novel p-n heterojunction photocatalyst from ZnO nanorod and Cu2O nanoparticles for degradation of Paraoxon insecticide under visible light irradiation

Ghader Hosseinzadeh

Volume 8, Issue 1 , February 2023, , Pages 13-22

https://doi.org/10.22090/jwent.2023.08.002

Abstract
  In the current work, a novel ZnO-Cu2O heterojunction was synthesized from ZnO nanorods and Cu2O nanoparticles via hydrothermal route and was applied for the first time as a visible light active photocatalyst for decomposition of Paraoxon insecticide. Crystallinity, shape and size of particles, and optical ...  Read More

Fabrication of ZnO/CuO Hybrid Nanocomposite for Photocatalytic Degradation of Brilliant Cresyl Blue (BCB) Dye in Aqueous Solutions

PARMESHWAR LAL MEENA; Ajay Kumar Surela; Krishna Poswal

Volume 6, Issue 3 , July 2021, , Pages 196-211

https://doi.org/10.22090/jwent.2021.03.001

Abstract
  Here in the present study, we report the synthesis of ZnO nanoparticles, ZnO/CuO(3%), ZnO/CuO(5%), and ZnO/CuO(10%), nanocomposites using simple precipitation method with variation of CuO content and the activities of prepared samples were investigated for degradation of Brilliant Cresyl Blue (BCB) dye ...  Read More

Polysulfone nanocomposite membrane embedded by silanized nanodiamond for removal of humic acid from water

Atefeh Tizchang; Yoones Jafarzadeh; Reza Yegani; Elham Shokri

Volume 4, Issue 3 , July 2019, , Pages 213-226

https://doi.org/10.22090/jwent.2019.03.004

Abstract
  In this study, polysulfone (PSf) nanocomposite membranes embedded with functionalized nanodiamond (ND) were prepared via Non-Solvent Induced Phase Separation (NIPS) method. ND nanoparticles were silanized by using the esterification reaction of hydrolyzed vinyltrimethoxysilane (VTS) in alcoholic solution ...  Read More

Facile Synthesis and Characterization of HNT-Ferrihydrite Nanocomposites for water/wastewater treatment

Syarifah Nazirah Wan Ikhsan; Norhaniza Yusof; Farhana Aziz; Nurasyikin Misdan; Ahmad Fauzi Ismail

Volume 3, Issue 4 , October 2018, , Pages 279-288

https://doi.org/10.22090/jwent.2018.04.001

Abstract
  Halloysite nanotube/ferrihydrite (HNT/HFO) nanocomposites have been synthesized using a simple chemical precipitation method using only one-pot method. The synthesized nanocomposites were characterized for its physicochemical as well as morphological characteristics through X-Ray Diffraction (XRD), Fourier ...  Read More

Fe3O4/AC nanocomposite as a novel nano adsorbent for effective removal of cationic dye: Process optimization based on Taguchi design method, kinetics, equilibrium and thermodynamics

Maryam Ghasemi; Somaye Mashhadi; Javad Azimi-Amin

Volume 3, Issue 4 , October 2018, , Pages 321-336

https://doi.org/10.22090/jwent.2018.04.005

Abstract
  In this study, we have synthesized a new Fe3O4/AC nanocomposite using low cost adsorbent by microwave assisted in situ co-precipitation technique that was used as an effective adsorbent for the removal of methylene blue (MB) using the Taguchi design method as an optimization strategy. The optimum parameters ...  Read More

Electrical Behaviour of Chitosan-Silver Nanocomposite in Presence of Water Vapour

Bal Yadav; Ritesh Kumar; Ravindra Kumar; Subhasis Chaudhuri; Panchanan Pramanik

Volume 2, Issue 2 , April 2017, , Pages 71-79

https://doi.org/10.22090/jwent.2017.02.001

Abstract
  This paper presents the synthesis, characterization of the nanocomposite of silver and chitosan polymer composite reinforced by cellulose fibre and its electrical behaviour in presence of water vapour. The coated paper has been characterized by XRD, IR, SEM and EDX techniques. The size of silver nanoparticles ...  Read More

Effective removal of hexavalent mercury from aqueous solution by modified polymeric nanoadsorbent

Lida Rahmanzadeh; Mohsen Ghorbani; Mohsen Jahanshahi

Volume 1, Issue 1 , July 2016, , Pages 1-8

https://doi.org/10.7508/jwent.2016.01.001

Abstract
  Mercury is one of the most toxic metals present in the environment. Adsorption has been proposed among the technologies for mercury adsorbent. The kinetics of adsorption depends on the adsorbent concentration, and the physical and chemical characteristics of adsorbent. In this study we were used a novel ...  Read More

Photo-Catalytic Degradation of Methylene Blue by ZnO/SnO2 Nanocomposite

Samad Sabbaghi; Fateme Doraghi

Volume 1, Issue 1 , July 2016, , Pages 27-34

https://doi.org/10.7508/jwent.2016.01.004

Abstract
  In this study, considering the importance of protecting the environment and preventing the pollution caused by industrial plants, a nanocomposite each component thereof is capable of removing the desired combination to solve this problem has been produced. To achieve this goal, ZnO/SnO2nanocomposite ...  Read More

Synthesis, characterization and application of Lanthanide metal-ion-doped TiO2/bentonite nanocomposite for removal of Lead (II) and Cadmium (II) from aquatic media

Susan Samadi; Rokhsareh Motallebi; Maryam Nasiri Nasrabadi

Volume 1, Issue 1 , July 2016, , Pages 35-44

https://doi.org/10.7508/jwent.2016.01.005

Abstract
  The efficient application of the photocatalytic activity and superficial adsorption on removing heavy metals from water, two types of sorbents, Nd-TiO2/bentonite and Ce-TiO2/bentonite nanocomposites, were synthesized by sol-gel method. The crystalline nanocomposites were obtained after heat treatment ...  Read More