Showing posts with label hydrothermal method. Show all posts
Showing posts with label hydrothermal method. Show all posts

Thursday, 16 November 2023

Assessment of Methyl Orange Dye Degradation via Low-temperature Hydrothermal TiO2Nanospheres Synthesis | Chapter 5 | Current Innovations in Chemical and Materials Sciences Vol. 3

 Photocatalytic shame of dyes is an important issue in any branch of natural science and pollution research. The dyes present in water are highly poisonous, carcinogenic, and xenobiotic towards living structures. Herein, titanium dioxide nanoparticles (TiO2 NPs) were synthesized by a surfactant-templated hydrothermal method at low temperature (75°C) for photocatalytic uses. TiO2 NPs were examined for their structural, ocular, and photocatalytic capabilities utilizing FT-IR, UV-vis absorption spectroscopy, scanning power microscopy (SEM), high-judgment transmission power microscopy (HR-TEM), and X-ray diffraction (XRD). A nanocrystalline structure and almost regular round form were confirmed apiece structural investigation of a polycrystalline tetragonal anatase TiO2 state.  It was discovered that the caused TiO2 NPs have an energy bandgap advantage between 4.42 and 4.46 eV, resulting in a photodegradation adeptness of 81% to 88% under UV visible light.

Author(s) Details:

M. Abdelhamid Shahat,
PV Unit, Solar and Space Research Department, National Research Institute of Astronomy and Geophysics (NRIAG), 11421 Helwan, Cairo, Egypt.

F. M. El-Hossary,
Physics Department, Faculty of Science, Sohag University, Sohag, Egypt.

Ahmed Ghitas,
PV Unit, Solar and Space Research Department, National Research Institute of Astronomy and Geophysics (NRIAG), 11421 Helwan, Cairo, Egypt.

A. M. Abd El-Rahman,
Physics Department, Faculty of Science, Sohag University, Sohag, Egypt and King Abdulaziz University, Jeddah, KSA.

Please see the link here: https://stm.bookpi.org/CICMS-V3/article/view/12419

Wednesday, 16 March 2022

Experimental Investigation on the Characterization of HA/Alumina and HA/mgo Nanocomposites for Orthopedic Applications| Chapter 12 | Issues and Developments in Medicine and Medical Research Vol.11

 For the first time, HA/Alumina and HA/MgO nanocomposites were effectively produced at 250°C utilising the hydrothermal technique. In HA/Alumina and HA/MgO nanocomposites, the mechanisms of composite production, crystallite size, crystallinity, and shape were investigated. An intermolecular interaction between HA/Alumina and HA/MgO was discovered using XRD and FTIR techniques. The nature of the formation of HA/Alumina and HA/MgO nanocomposites is polycrystalline. The addition of magnesium to HAP promotes osteoblast growth. During the early phases of osteogenesis, magnesium functions like a growth factor, promoting bone production. TEM analysis confirmed it. HAP/Alumina was generated in a short nanorod shape, and HA/MgO nanocomposites have a nanocluster-like morphology, according to TEM images. The suitable vibrational spectra of HA/Alumina and HA/MgO nanocomposites can be seen using FTIR. The band–gap of HA/Alumina and HA/MgO nanocomposites is visible in UV–VIS experiments. This discovery lays the groundwork for future studies on HA/Alumina and HA/MgO nanocomposites for biomedical applications.

Author(s) Details:

V. Vijayalakshmi,
Erode Sengunthar Engineering College, Erode, India.


N. S. Mohan,
Erode Sengunthar Engineering College, Erode, India.

Please see the link here: https://stm.bookpi.org/IDMMR-V11/article/view/6084

Saturday, 5 June 2021

Investigation of the Etching Time and NaOH Concentration Effects on the Optoelectronic Properties of ZnO Nanorods | Chapter 5 | Newest Updates in Physical Science Research Vol. 7

 Due to its unique qualities such as low reaction temperature, simplicity of scaling up, inexpensive, and simple synthesis, ZnO-based nanostructures, one-dimensional ones (nanorods), have gotten a lot of interest. In this paper, we describe the hydrothermal production of ZnO nanorods as well as the kinetics of their chemical etching at various NaOH concentrations. The description was accurate.

X-ray diffraction, scanning electronic microscopy, and photoluminescence were used. As a result, the research looks into the impact of etching time and concentration on optoelectronic properties. We discovered that all etching conditions cause significant proportional changes in the materials photonics because they primarily modify the surface and introduce flaws. As a result, optoelectronic devices benefit from this research.

Author(s) Details

I. Boukhoubza
University Sidi Mohammed Ben Abdellah, Faculty of Sciences Dhar el Mahraz, Laboratory of Solid state Physics, Group of Nanomaterials and Renewable Energies, P.O.Box 1796 Atlas Fez 30 000, Morocco.

M. Khenfouch
Africa Graphene Center, 2 Boekenhout Street, Florida, Johannesburg, 1709, South Africa.

M. Achehboune
University Sidi Mohammed Ben Abdellah, Faculty of Sciences Dhar el Mahraz, Laboratory of Solid state Physics, Group of Nanomaterials and Renewable Energies, P.O.Box 1796 Atlas Fez 30 000, Morocco.

I. Derkaoui
University Sidi Mohammed Ben Abdellah, Faculty of Sciences Dhar el Mahraz, Laboratory of Solid state Physics, Group of Nanomaterials and Renewable Energies, P.O.Box 1796 Atlas Fez 30 000, Morocco.

B. M. Mothudi
University of South Africa, Department of Physics, Private Bag X90, Florida, 1710, South Africa.

I. Zorkani
University Sidi Mohammed Ben Abdellah, Faculty of Sciences Dhar el Mahraz, Laboratory of Solid state Physics, Group of Nanomaterials and Renewable Energies, P.O.Box 1796 Atlas Fez 30 000, Morocco.

A. Jorio
University Sidi Mohammed Ben Abdellah, Faculty of Sciences Dhar el Mahraz, Laboratory of Solid state Physics, Group of Nanomaterials and Renewable Energies, P.O.Box 1796 Atlas Fez 30 000, Morocco.

View Book :-
https://stm.bookpi.org/NUPSR-V7/article/view/1289