scholarly journals FTIR study of ZnO powder prepared by self-combustion method at different temperature

2021 ◽  
Vol 10 (3) ◽  
pp. 277-280
Author(s):  
Vaishali T Salunke ◽  
P.B. Buchade ◽  
A.D. Shaligram ◽  
R.Y. Borse
Keyword(s):  
Screen Printing ◽  
Thick Films ◽  
Combustion Method ◽  
Synthesis Temperature ◽  
Zinc Nitrate ◽  
Ftir Analysis ◽  
Oxide Powders ◽  
Nano Powder ◽  
Temperature Method ◽  
Zno Powder

Nowadays nanomaterial is used widely because of their change in characteristics from bulk to nano. In this paper the preparation of ZnO nano powder by self-combustion high temperature method was discussed. The solution of Zinc Nitrate as a precursor and dextrose as a fuel was kept in furnace at 400,500 and 600 0C for 5-15 minute to complete the reaction. The ZnO thick films were prepared by screen printing and fired at 650 0C. The effect of different synthesis temperature on ZnO thick films were study by FTIR analysis. The applications of zinc oxide powders were discussed in these papers.

scholarly journals Nanostructured Fe2O3/TiO2 thick films prepared by screen printing

2013 ◽  
Vol 7 (3) ◽  
pp. 129-134
Author(s):  
Obrad Aleksic ◽  
Zorka Djuric ◽  
Maria Nikolic ◽  
Nikola Tasic ◽  
Marina Vukovic ◽  
...  
Keyword(s):  
Screen Printing ◽  
Thick Films ◽  
Glass Frit ◽  
Pure Tio2 ◽  
Secondary Phases ◽  
Optical Studies ◽  
Oxide Powders ◽  
Vis Spectroscopy ◽  
Screen Printing Technology ◽  
Sem Analyses

Nanostructured single layered (pure TiO2 , pure ?-Fe2O3 and mixed Fe2O3 /TiO2 with two different oxide ratios, 2 : 3 and 3 : 2) and double layered (TiO2 layer over a Fe2O3 layer) thick films have been fabricated by screen printing technology on a glass substrate. The pastes used for film preparation were obtained by adding an organic vehicle to the oxide powders together with a small percentage of binding glass frit. Samples were dried up to 100 ?C and sintered at 650 ?C/60 minutes. Structural, morphological and optical studies have been carried out using XRD, SEM analyses and UV/Vis spectroscopy. The prepared pure and mixed Fe2O3 /TiO2 thick films had a homogenous nanostructure without secondary phases. Indirect band gaps were determined from the measured transmission spectra and the obtained values are in the range of literature data.

Thick films of ceramic superconducting, electro-ceramic materials

2002 ◽  
Vol 74 (11) ◽  
pp. 2083-2096 ◽  
Author(s):  
H. Altenburg ◽  
J. Plewa ◽  
G. Plesch ◽  
O. Shpotyuk
Keyword(s):  
High Temperature ◽  
Low Temperature ◽  
Ceramic Material ◽  
Thick Film ◽  
Screen Printing ◽  
Thick Films ◽  
Ceramic Materials ◽  
Superconducting Materials ◽  
Processing Sequence ◽  
Oxide Powders

The use of thick films becomes more and more important in particular for electronic and microelectronic applications. The term “thick film ” does not relate so much to the thickness of the film but more to the kind of deposition. Thick films are made by low-priced processes such as doctor (dr) blading, screen-printing, or spraying methods, etc. The preparation of thick films of ceramic material by these methods generally implies a processing sequence of the following steps: preparation of the oxide powders; preparation of pastes and slurries; painting/printing, etc.of the pastes onto a suitable substrate; drying at low temperature; and sintering at high temperature to get a consolidated layer. These technologies and the fabricated thick films of thermoresistive and superconducting materials will be discussed.

scholarly journals Microwave-Assisted Combustion Synthesis of ZnO Nanoparticles

2013 ◽  
Vol 2013 ◽  
pp. 1-4 ◽  
Author(s):  
M. Kooti ◽  
A. Naghdi Sedeh
Keyword(s):  
Electron Microscopy ◽  
Zno Nanoparticles ◽  
Combustion Method ◽  
Zinc Nitrate ◽  
High Yield ◽  
Fast Method ◽  
Simple Method ◽  
X Ray ◽  
Microwave Assisted ◽  
Average Size

A new and simple method was applied for the synthesis of ZnO nanoparticles with an average size of 20 nm. In this microwave-assisted combustion method, glycine as a fuel and zinc nitrate as precursor were used. The final product was obtained very fast with high yield and purity. The synthesized nanoscale ZnO was characterized by X-ray Diffraction (XRD), Energy Dispersive X-ray spectroscopy (EDX), and Fourier transform infrared spectroscopy (FT-IR). The size and morphology of the ZnO nanoparticles have been determined by field emission scanning electron microscopy (FESEM) and transmission electron microscopy (TEM) techniques. This is a simple and fast method for the preparation of ZnO nanoparticles with no need for expensive materials or complicated treatments.

Structural and Dielectric Properties of Screen Printed PZT(70/30) Multilayered Thick Films

2007 ◽  
Vol 124-126 ◽  
pp. 663-666 ◽  
Author(s):  
Sung Gap Lee ◽  
Sang Man Park ◽  
Young Jae Shim ◽  
Young Chul Rhee
Keyword(s):  
Screen Printing ◽  
Remanent Polarization ◽  
Thick Films ◽  
Sol Gel ◽  
Relative Dielectric Constant ◽  
Polycrystalline Structure ◽  
Coating Solution ◽  
Screen Printing Method ◽  
Xrd Patterns ◽  
Printing Method

PZT(70/30) powder was prepared by a sol-gel method and PZT thick films were fabricated by the screen-printing method on the alumina substrates. The coating and drying procedure was repeated 4 times. And then the PZT(30/70) precusor solution was spin-coated on the PZT thick films. A concentration of a coating solution was 0.5 mol/L and the number of coating was varied from 0 to 6. The porosity decreased and the grain size increased with increasing the number of coatings. The thickness of the PZT-6(6: number of coatings) films was about 60~65μm. All PZT thick films showed the typical XRD patterns of a typical perovskite polycrystalline structure. The relative dielectric constant of the PZT-6 thick film was 540. The remanent polarization and coercive field of the PZT-6 film were 23.6 μC /cm2, 12.0 kV/cm, respectively.

scholarly journals Screen Printing Strategy for Investigation of Spectrophotometric Properties of Modified Thick Films of Zirconium Oxide (ZrO2): Tin Oxide (SnO2) Composites

2021 ◽  
Vol 37 (5) ◽  
pp. 1117-1124
Author(s):  
R. M. Nikam ◽  
A. P. Patil ◽  
K. H. Kapadnis ◽  
A. D. Ahirrao ◽  
R.Y. Borse
Keyword(s):  
Tin Oxide ◽  
Integrated Circuit ◽  
Zirconium Oxide ◽  
Screen Printing ◽  
Thick Films ◽  
Ultra Violet ◽  
Spectrophotometric Study ◽  
X Ray Diffraction ◽  
X Ray ◽  
Hybrid Integrated Circuit

There are numerous methods has been investigated and developed for the preparation of thin and thick films. Thick film technology is utilized for the production of electronic devices like surface mount devices, in the preparation of hybrid integrated circuit, in the formulation of heating elements, in the construction of integrated passive devices and sensors. Pure tin oxide (SnO2) and composite 1%, 3%, 5%, 7% and 9 % zirconium oxide (ZrO2) thick films of dimensions 2 cm×1 cm incorporated into pure tin oxide (SnO2) were prepared with standard screen printing method. All samples were fabricated on glass support. The thick films were subjected to drying and firing at 5000C at 5 hours in muffle furnace. Thick films of tin oxide (SnO2) and composite 1%, 3%, 5%, 7% and 9 % zirconium oxide (ZrO2) incorporated into pure tin oxide (SnO2) were checked for Scanning Electron Microscopy (S.E.M), Energy Dispersive X-ray Spectroscopy (E.D.A.X), X-ray diffraction (X.R.D), Fourier Transform infra-Red (F.T.I.R) and Ultra-Violet-Visible spectroscopy (U.V) for surface morphology, elemental analysis, crystalline phases of films, vibrational and spectrophotometric study respectively. In this research paper the spectrophotometric parameters such as absorbance and absorption coefficient with pure and compositional thick films were a part of investigation and surveillance.

Effect of Synthesis Temperature on Structure and Electrochemical Properties of Nano-Sized Li4Ti5O12 by Self-Combustion Method

2011 ◽  
Vol 399-401 ◽  
pp. 1487-1490
Author(s):  
Zhi Yong Yu ◽  
Han Xing Liu
Keyword(s):  
Electrochemical Properties ◽  
Combustion Method ◽  
Synthesis Temperature ◽  
Electrochemical Analysis ◽  
Initial Discharge Capacity ◽  
X Ray Diffraction ◽  
Spinel Type ◽  
X Ray ◽  
Initial Discharge ◽  
Pure Phase

The spinel-type Li4Ti5O12 cathode materials were synthesized by a self-combustion method. The effects of synthesis temperature on the structural and electrochemical properties of the Li4Ti5O12 were investigated. The prepared samples were characterized by X-ray diffraction (XRD), SEM, TEM and electrochemical analysis. The results revealed that pure phase and well-crystallized Li4Ti5O12 with nano-sized could be synthesized at a calcination temperature of 750°C. The sample prepared under the condition had the highest initial discharge capacity of 164 mAh/g and shown good capacity rentention during 50 cycles between 1.0-2.5V at 0.1C.

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