Yttrium-Doped γ-Glycine Crystals for Enhanced Nonlinear Optical Applications | Chapter 1 | Chemical and Materials Sciences: Research Findings Vol. 1

The slow evaporation method was used to create the γ-glycine nonlinear optical (NLO) crystal at room temperature. The growing crystal belongs to the non-centrosymmetric space group P₃₁ and has a hexagonal symmetric γ-polymorphic structure. According to the ICP-OES data, yttrium made up 0.025% of the 0.05% of the additional dopant. Linear optical transmittance studies were used to assess the impact of additives on the glycine crystal's optical transparency. The crystal's maximum linear optical transmittance was found to be 85%. The material's thermal stability and possible polymorphic phase transitions were investigated using differential scanning calorimetry (DSC). The melting point of the grown crystal was observed at 256.8°C. It was discovered that the synthesized crystal's second harmonic generation (SHG) efficiency was 3.5 times greater than the regular KDP crystals.

 

Author (s) Details

M. Aynul Rifaya
Department of Chemical Engineering, Erode Sengunthar Engineering College, Erode- 638057, Tamil Nadu, India.

 

G. Myvizhi
Department of Chemistry (PG), Vellalar College for Women, Erode - 638012, Tamil Nadu, India.

 

S. Malathi
Department of Chemistry (PG), Vellalar College for Women, Erode - 638012, Tamil Nadu, India.

 

V. Vijayalakshmi
Crystal Growth Laboratory, Erode Sengunthar Engineering College, Erode - 638057, India.

 

Please see the book here:- https://doi.org/10.9734/bpi/cmsrf/v1/3847

Synthesis, Photocatalytic Applications of AI Gum Stabilized Cobalt Doped Zno Nanoparticles in Methylene Blue Dye | Chapter 5 | Current Innovations in Chemical and Materials Sciences Vol. 2

 The current study secondhand a traditional wet synthetic approach to manufacture Azadirachta indica gum (AI wax) stabilized sky (Co) doping on ZnO (Co: ZnO NPs), and we investigated the fundamental, morphological, and ocular aspects of the resulting matters. Nanoparticles are defined as ultrafine atoms sized between 1 and 100 nanometres in width. In recent decades, skilled has been wide controlled research on the various uses of nanoparticles in explanation, electronics, manufacturing, cosmetic, and medicine. The benefits of using nanoparticles in creation are immense, promising exceptional physical and synthetic properties for modified creation materials. Among common people different types of nanoparticles, titanium dioxide, carbon nanotubes, silica, policeman, clay, and aluminium group of chemical elements are the most widely used nanoparticles in the building sector.Average atom size and shape of AI-Co: ZnO NPs were observed utilizing high-judgment Schottky emitter FE-SEM. The surface morphological images of FE-SEM exhibit that all the pieces were spherical. From UV-Visible Spectroscopy (UV) reasoning, the absorption intensity was somewhat shifted to lower awareness due to difference in the cobalt concentration and the bandgap was raised with an increase in sedating percentage of cobalt. The premeditated band gap strength was 3.55 eV, 3.57 eV and 3.59 eV for AI-Zn0.97Co0.03O, AI-Zn0.95Co0.05O and AI-Zn0.93Co0.07O nanoparticles, respectively. The chemical working group or molecular form of AI-Co: ZnO NPs was studied using Fourier Transform Infrared (FTIR) spectroscopy method. X-Ray diffraction studies shows having six of something form with particle proportion 16-18 nm. The degradation of Methylene Blue (MB) was erect to be 48%, 58% and 74% for 0.01 g, 0.02 g and 0.03 g of 0.5% cobalt drugged AI gum secured Co-doped ZnO nanoparticles.

Author(s) Details:

R. Sakthivel,
Department of Electronics, PSG College of Arts & Science, Coimbatore-14, India.

A. Geetha,
Department of Chemistry, Hindusthan College of Arts & Science, Coimbatore-14, India.

Please see the link here: https://stm.bookpi.org/CICMS-V2/article/view/12327

ZnO Growth on PMMA-Coated Glass by SolutionImmersion Method: Influence of Immersion Time towards the Optical Properties of ZnO | Chapter 4 | New Approaches in Engineering Research Vol. 5

 The effect of varying immersion times on ZnO growth on a PMMA-coated substrate was examined using the solutionimmersion technique. The spincoating method was used to coat PMMA polymer on a glass substrate. After that, the PMMA-coated substrate was prepared for non-immersion and immersion in zinc solution for four (4) and six (6) hours, respectively. Photoluminescence (PL), Raman Spectra, and Ultraviolet-Vis (UV-Vis) spectroscopy were used to analyse the film's optical properties. It was discovered that a shorter immersion duration (4 hours) resulted in increased PL and Raman intensity. In the case of UV-Vis measurement, however, the opposite was discovered.

Author(s) Details

A. Aadila
Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia and NANO-SciTech Lab, Centre for Functional Materials and Nanotechnology, Institute of Science, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia.

A. N. Afaah
Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia and NANO-SciTech Lab, Centre for Functional Materials and Nanotechnology, Institute of Science, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia.

N. A. M. Asib
Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia and NANO-SciTech Lab, Centre for Functional Materials and Nanotechnology, Institute of Science, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia.

R. Mohamed
Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia and Faculty of AppliedSciences, Universiti Teknologi MARA Pahang, 26400 Bandar Tun Razak Jengka, Pahang, Malaysia.

Prof. Ts. Dr-Eng. M. Rusop
Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia and NANO-Electronic Centre, Faculty of Electrical Engineering, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia.

Assoc. Prof. Dr. Z. Khusaimi
Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia and NANO-SciTech Lab, Centre for Functional Materials and Nanotechnology, Institute of Science, Universiti Teknologi MARA, 40450 Shah Alam,Selangor, Malaysia.

View Book :- https://stm.bookpi.org/NAER-V5/article/view/2085