scholarly journals SYNTHESIS OF MESOPOROUS NANOPARTICLES VIA MICROWAVE-ASSISTED METHOD FOR PHOTOCATALYTIC DEGRADATION OF PHENOL DERIVATIVES

2019 ◽  
Vol 23 (3) ◽  
Keyword(s):  
Photocatalytic Degradation ◽  
Phenol Derivatives ◽  
Microwave Assisted ◽  
Mesoporous Nanoparticles ◽  
Microwave Assisted Method

Facile synthesis of rGO/Ag3PO4 by enhanced photocatalytic degradation of an organic dye using a microwave-assisted method

2016 ◽  
Vol 40 (2) ◽  
pp. 1330-1335 ◽  
Author(s):  
Xiaoyan Fan ◽  
Jian Shao ◽  
Zhenjiang Li ◽  
Fenglin Ma ◽  
Alan Meng ◽  
...  
Keyword(s):  
Photocatalytic Degradation ◽  
Organic Dye ◽  
Facile Synthesis ◽  
Microwave Assisted ◽  
Highly Efficient ◽  
Microwave Assisted Method

A facile and rapid microwave-assisted method was developed to synthesize a highly efficient rGO/Ag3PO4 photocatalyst.

scholarly journals Synthesis of Porous Octahedral ZnO/CuO Composites from Zn/Cu-Based MOF-199 and Their Applications in Visible-Light-Driven Photocatalytic Degradation of Dyes

2019 ◽  
Vol 2019 ◽  
pp. 1-16 ◽  
Author(s):  
Tran Thanh Minh ◽  
Nguyen Thi Thanh Tu ◽  
Tran Thi Van Thi ◽  
Le Thi Hoa ◽  
Hoang Thai Long ◽  
...  
Keyword(s):  
Visible Light ◽  
Photocatalytic Degradation ◽  
Metal Organic Framework ◽  
Phenol Red ◽  
Microwave Assisted ◽  
Degradation Reactions ◽  
Degradation Of Dyes ◽  
Visible Light Driven ◽  
Metal Organic ◽  
Microwave Assisted Method

In the present paper, a porous octahedral (ZnO/CuO) composite is synthesized from zinc/copper-based metal-organic framework-199, and its applications in visible-light-driven photocatalytic degradation of dyes are demonstrated. The precursors of Zn-BTC, Cu-BTC, and Zn/Cu-BTC (BTC: benzene-1,3,5-tricarboxylate) were synthesized using a microwave-assisted method. Benzene-1,3,5-tricarboxylate acts as a sacrificial template and was removed from the precursors via thermal decomposition to form CuO, ZnO, and ZnO/CuO. ZnO/CuO with a large specific surface area of 32.5 m2·g–1 is composed of porous octahedral particles of 5–10 μm in diameter. Methylene blue (MB) was utilized as the dye model for photocatalytic degradation reactions. The porous octahedral ZnO/CuO exhibits superior visible-light-driven photocatalytic degradation of MB compared with single CuO or ZnO. The kinetic model of photocatalytic degradation was proposed as 1/KL×lnC+C=−krt+1/KL×lnCe+Ce, where KL is the Langmuir equilibrium constant and Ce is the MB concentration at equilibrium. The model significantly fits the kinetic data. In addition, the acquired catalyst manifests excellent photocatalytic degradation for several other dyes including phenol red, methyl orange, and Congo red.

Microwave-assisted synthesis of monoclinic–tetragonal BiVO4 heterojunctions with enhanced visible-light-driven photocatalytic degradation of tetracycline

RSC Advances ◽  
2015 ◽  
Vol 5 (110) ◽  
pp. 90255-90264 ◽  
Author(s):  
Ming Yan ◽  
Yan Yan ◽  
Yilin Wu ◽  
Weidong Shi ◽  
Yinqun Hua
Keyword(s):  
Visible Light ◽  
Photocatalytic Degradation ◽  
Microwave Assisted Synthesis ◽  
Crystalline Phases ◽  
Microwave Assisted ◽  
M Phase ◽  
Visible Light Driven ◽  
T Phase ◽  
Microwave Assisted Method

In this study, BiVO4 photocatalysts of different crystalline phases (monoclinic scheelite (M-phase), tetragonal zircon (T-phase) and monoclinic–tetragonal heterojunction (M–T)) have been successfully synthesized via a facile microwave-assisted method.

scholarly journals Preparation and application of carbon and hollow TiO2 microspheres by microwave heating at a low temperature

e-Polymers ◽  
2021 ◽  
Vol 21 (1) ◽  
pp. 200-209
Author(s):  
Caiyun Zhang ◽  
Chunhong Li ◽  
Bolin Ji ◽  
Zhaohui Jiang
Keyword(s):  
Low Temperature ◽  
Microwave Heating ◽  
Raw Material ◽  
Carbon Microspheres ◽  
Microwave Assisted ◽  
The Core ◽  
Good Crystallinity ◽  
Carbon Core ◽  
Microwave Assisted Method ◽  
Uniform Particle Size

Abstract A fast, simple, and energy-saving microwave-assisted approach was successfully developed to prepare carbon microspheres. The carbon microspheres with a uniform particle size and good dispersity were prepared using glucose as the raw material and HCl as the dehydrating agent at low temperature (90°C) in an open system with the assistance of microwave heating. The carbon microspheres were characterized by elemental analysis, XRD, SEM, FTIR, TG, and Raman. The results showed that the carbon microspheres prepared under the condition of 18.5% (v/v) HCl and heating for 30 min by microwave had a narrow size distribution. The core–shell structure of the carbon core and TiO2 shell was prepared with (NH4)2TiF6, H3BO3 using the microwave-assisted method. The hollow TiO2 microspheres with good crystallinity and high photocatalytic properties were successfully prepared by sacrificing the carbon microspheres.

Sign in / Sign up

Export Citation Format

Share Document