Mechanical Strength Analysis of Acrylic Films Using Acoustical Technique | Chapter 7 |Theory and Applications of Chemistry Vol. 4

In order to improve the mechanical properties of acrylic films, Poly methyl-methacrylate (PMMA)/ Aluminum oxide (Al₂O₃) films are prepared following solution casting technique. The mechanical behavior of prepared films has been analyzed by employing Ultrasonic Pulse Echo method. The morphology of films is examined via XRD and SEM analysis. The synergetic effect is observed in films from obtained ultrasonic data. The elastic modulus is calculated and compared for better utilization.

Author(s) Details

Dr. A. R. Bansod
Acoustical Research Laboratory, Department of Physics, RTM Nagpur University, Nagpur, India.

O. P. Chimankar
Acoustical Research Laboratory, Department of Physics, RTM Nagpur University, Nagpur, India.

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An Effect of Precursor Concentration on ZnO Thin Films Prepared by Dip Coating Method | Chapter 08 | New Insights on Chemical Research Vol. 1

Zinc Oxide (ZnO) thin films have been successfully coated onto glass substrates at various solutions concentration (0.1 M, 0.2 M and 0.3 M) by Low cost SILAR coating technique. The film thickness was estimated using weight gain method and it revealed that the film thickness increased with solution concentration values. The prepared film structural, morphological and optical properties were studied using X-ray diffraction (XRD), scanning electron microscope (SEM) and UV-Vis-NIR spectrophotometer respectively. The structure of the films were found to be hexagonal structure with polycrystalline in nature with preferential orientation along (002) plane. X-ray line profile analysis was used to evaluate the micro structural parameters such as crystallite size, micro strain, dislocation density and stacking fault probability. The value of the crystalline size is increased by increasing the concentration of the solution. The average crystalline size was estimated at in the range of 26 nm to 29 nm. The morphological results showed that the concentration of a solution had a significant effect on the morphology of the ZnO thin films. The optical studies revealed that the band gap can be tailored between 3.65 eV to 3.85 eV by altering solution concentration. EDAX studies have shown the presence of zinc and oxygen content. Photoluminescence intensity varies with molar concentration due to the increase of oxygen vacancies. FTIR results conforms the presence of functional group present in the samples.

Author(s) Details

K. Radhi Devi
Department of Physics, Sethupathy Govt. Arts College, Ramanathapuram – 623 502, India.

G. Selvan
Department of Physics, Thanthai Hans Roever College, Perambalur – 621 220, India.

M. Karunakaran
Department of Physics, Alagappa Government Arts College, Karaikudi – 630 003, India.

K. Kasirajan
Department of Physics, Alagappa Government Arts College, Karaikudi – 630 003, India.

G. Rajesh Kanna
Department of Electronics, Government Arts College for Women, Ramanathapuram- 623 502, India.

S. Maheswari
Department of Physics, Alagappa Government Arts College, Karaikudi – 630 003, India and Department of Physics, Caussanel College of Arts and Science, Ramanathapuram – 623 523, India.

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A Short Review on the Synthesis of Electrodeposited Thin Films | Chapter 07 | New Advances in Materials Science and Engineering Vol. 1

Nanostructured thin films have been prepared by using various deposition techniques. The obtain films showed unique physical, optical and electrical properties. Therefore, these materials could be used in solar cell, optoelectronic, laser and sensor devices. In this work, the preparation of metal chalcogenide thin films by using electrodeposition method was reported. Electrodeposition method has many advantages such as low temperature is required, low cost investment, can produce desired film over large surface area and can control the thickness of the film. Characterization of obtained films was investigated by using various tools. The band gap values are in the range of 1.15 to 2.19 eV. Annealed films indicated excellent crystallinity if compared to as-deposited films.

Author(s) Details

Dr. Ho Soon Min
Centre for Green Chemistry and Applied Chemistry, INTI International University, Putra Nilai, 71800, Negeri Sembilan, Malaysia.

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View Volume: https://doi.org/10.9734/bpi/namse/v1

Cu4SnS4 Thin Films: Advances in Research | Chapter 4 | Theory and Applications of Chemistry Vol. 2

Cu₄SnS₄ thin films have been synthesized using electro deposition, chemical bath deposition and Thermal evaporation method. XRD confirmed that these films have polycrystalline in nature with orthorhombic structure. The band gap was determined using UV-Visible spectrophotometry data, about 1.2 to 1.94 eV. The obtained films could be used in solar cell application due to appropriate band gap and good photo response behavior.

Author(s) Details

Dr Ho Soon Min
Centre for Green Chemistry and Applied Chemistry, INTI International University, Putra Nilai, 71800, Negeri Sembilan, Malaysia.

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View Volume: https://doi.org/10.9734/bpi/tac/v2

Nanostructure Thin Films Prepared by Using PLD and SILAR Method | Chapter 11 | Advances in Applied Science and Technology Vol. 3

There are several types of binary, ternary and quaternary thin films have been prepared using pulsed laser deposition (PLD) and successive ion layer adsorption and reaction (SILAR) method. These methods have many advantages such as able to control the dimensions, the growth rate, film thickness and produce nano-particles. In this work, PLD and SILAR methods were briefly discussed. Experimental results for the films prepared using these two deposition techniques from literature review will be described. Characterization of thin films using various tools (SEM, EDAX, XRD, XPS, FTIR, UV-Visible spectrophotometer, Raman Spectra) showed these deposition techniques were suitable to prepare metal chalcogenide thin films.

Author(s) Details

Dr. Ho Soon Min

Assistant Professor, Centre for Green Chemistry and Applied Chemistry, INTI International University, Putra Nilai, 71800, Negeri Sembilan, Malaysia.

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View Volume: https://doi.org/10.9734/bpi/aast/v3