The Effect of Deposition Time on the Structural Properties of ZnO Nanorods Prepared by Sol-Gel Immersion Method

2013 ◽  
Vol 667 ◽  
pp. 407-410
Author(s):  
N.A. Amir ◽  
Zuraida Khusaimi ◽  
Saifollah Abdullah ◽  
Mohamad Rusop
Keyword(s):  
Growth Rate ◽  
Structural Properties ◽  
Deposition Time ◽  
Sol Gel ◽  
Zno Nanorods ◽  
Growth Time ◽  
Si Substrate ◽  
Immersion Method ◽  
Bare Substrate ◽  
Scanning Electron

ZnO nanorods were successfully grown on Au coated Si substrate and Si bare substrate. The growth was using sol-gel immersion method at different deposition time which is 2, 4, 6, 8, 10 and 12 hours. In the presence of Au, growth rate of nanorods is much faster as it performs as a catalyst by decreasing the growth time of ZnO nanorods to half compared to growth on Si substrate without Au coated. Using Scanning Electron Microscope (SEM), changes in growth of nanorods at different deposition time was captured and the structural properties are discussed.

Zinc Oxide Nanorods Characteristics Prepared by Sol-Gel Immersion Method Immersed at Different Times

2013 ◽  
Vol 667 ◽  
pp. 375-379 ◽  
Author(s):  
M. Awalludin ◽  
Mohamad Hafiz Mamat ◽  
Mohd Zainizan Sahdan ◽  
Z. Mohamad ◽  
Mohamad Rusop
Keyword(s):  
Electron Microscopy ◽  
Zinc Oxide ◽  
Immersion Time ◽  
Sol Gel ◽  
Zno Nanorods ◽  
Zinc Oxide Nanorods ◽  
Immersion Method ◽  
X Ray ◽  
Oxide Nanorods ◽  
Scanning Electron

This paper focus on zinc oxide (ZnO) nanorods prepared using sol-gel immersion method immersed at different time. Immersion times have been varied 1~24 hr and the characteristics of each sample have been observed. The effects of immersion time on ZnO nanorods thin films have been studied in surface morphology and structural properties using Scanning Electron Microscopy (SEM) and X-ray diffractometer (XRD), respectively.

Optical and Structural Properties of ZnO Nanostructures Deposited on PSi Substrates

2013 ◽  
Vol 667 ◽  
pp. 359-362 ◽  
Author(s):  
S. Azizdzul ◽  
S. Amizam ◽  
Saifollah Abdullah ◽  
Mohamad Rusop
Keyword(s):  
Zinc Oxide ◽  
Optical Properties ◽  
Porous Silicon ◽  
Structural Properties ◽  
Deposition Temperature ◽  
Deposition Time ◽  
Electrochemical Etching ◽  
Sol Gel ◽  
Zno Nanostructures ◽  
Immersion Method

The optical and structural properties of Zinc Oxide (ZnO) nanostructures is prepared by sol-gel immersion method at different temperature on Porous Silicon (PSi) Substrates. PSi is produced from the Si by using electrochemical etching process. The ZnO solution is prepared by using the sol-gel immersion method. Parameters such as different deposition time were studied. The optical properties of ZnO Nanostructures will be characterized by using PL and SEM. The structural properties of ZnO Nanostructures will be characterized by using XRD. The result of investigation show that the growth of ZnO nanostructures improving as the deposition temperature increase.

Structural Properties of Stannic Oxide Coated Aluminium-Doped Zinc Oxide Nanorods

2015 ◽  
Vol 1109 ◽  
pp. 476-480
Author(s):  
Ahmad Syakirin Ismail ◽  
Mohd Firdaus Malek ◽  
Muhammad Amir Ridhwan Abdullah ◽  
Mohamad Hafiz Mamat ◽  
M. Rusop
Keyword(s):  
Zinc Oxide ◽  
Structural Properties ◽  
Sol Gel ◽  
Zno Nanorods ◽  
Oxide Coating ◽  
Zinc Oxide Nanorods ◽  
Stannic Oxide ◽  
Immersion Method ◽  
Force Microscopy ◽  
Atomic Force

Aluminium (Al) - doped zinc oxide (ZnO) nanorods was deposited using sol-gel immersion method. To study the effect of stannic oxide coating (SnO2) on the structural properties of the ZnO nanorods, SnO2with different layers were deposited on the top of ZnO nanorods, from 1 to 5 layers. The structural properties of the samples have been characterized using field emission scanning electron microscopy (FESEM), atomic force microscopy and x-ray diffraction (XRD). The analyses showed that by increasing the deposited layer, the surface roughness of the samples reduced and also reduced the porosity of the surface.

scholarly journals Influence of Cubic Structured-ZnSnO3 Immersion Time to the Performance of Humidity Sensor

Nano Hybrids ◽  
2012 ◽  
Vol 2 ◽  
pp. 1-11 ◽  
Author(s):  
Nor Diyana Md Sin ◽  
Noor Khadijah ◽  
Mohamad Hafiz Mamat ◽  
Musa Mohamed Zaihidi ◽  
Mohamad Rusop
Keyword(s):  
Thin Film ◽  
Structural Properties ◽  
Humidity Sensor ◽  
Deposition Time ◽  
Sol Gel ◽  
Rf Magnetron Sputtering ◽  
Immersion Method ◽  
Current Voltage ◽  
Humidity Chamber

ZnSnO3 thin film was deposited at different deposition time (0.5 h, 2 h, 4 h and 6 h) using sol-gel immersion method and the electrical, optical and structural properties of this film was investigated. This research involved the preparation of nanostructured ZnO thin film by using RF magnetron sputtering, preparation of ZnSnO3 sol-gel solution, metal contact deposition and characterization of humidity sensor. The thin film was characterized using current-voltage (I-V) measurement (Keithley 2400) and field emission scanning electron microscopy (FESEM) (JEOL JSM 6701F) for electrical and structural properties respectively. The sensor was characterized using I-V measurement in a humidity chamber (ESPEC SH-261) and the chamber has been set at room temperature with varied relative humidity (% RH), in the range of 40-90% RH. The film prepared with a deposition time of 2 h shows better sensitivity for humidity sensor. The FESEM investigation shows that crystal size increases with the increasing deposition time.

scholarly journals FABRICATION OF SAND/ZINC OXIDE/TITANIUM DIOXIDE NANOCOMPOSITE AS PHOTOCATALYST

2019 ◽  
Vol 5 (2) ◽  
pp. 122
Author(s):  
Nur Jannah Idris
Keyword(s):  
Electron Microscopy ◽  
Scanning Electron Microscopy ◽  
Zinc Oxide ◽  
Titanium Dioxide ◽  
Active Sites ◽  
Sol Gel ◽  
Zno Nanorods ◽  
Rutile Phase ◽  
Immersion Method ◽  
Scanning Electron

 In this work, a nanocomposite photocatalyst was fabricated by growing zinc oxide (ZnO) and titanium dioxide (TiO2) on the sand as a substrate. The initial sand/ZnO was fabricated via sol-gel immersion method for 4 h at 95℃. Furthermore, the sand/ZnO/TiO2 was fabricatedusing hydrothermal method for 5 h at 150℃. Based on field emission scanning electron microscopy (FESEM) analysis, the fabricated sand/ZnO/TiO2 consists of random formation of hexagonal ZnO nanorods and two pyramidal spindle ends of TiO2 nanorods. The addition of TiO2 on top of ZnO nanorods increased the number of active sites which enables more contaminants to be absorbed thus enhanced the photocatalysis process. Moreover, based on the micro-Raman spectra, the synthesized TiO2 was in rutile phase and the ZnO peak was unobservable due to the overlapping with TiO2 peak. Based on its morphological and structural properties, the fabricated sand/ZnO/TiO2 nanocomposite was potential to be applied as photocatalyst.

Studies on Magnetron-Sputtered NiO/Si3N4 Thin Films

2018 ◽  
Vol 17 (03) ◽  
pp. 1760039
Author(s):  
K. M. Dhanisha ◽  
M. Manoj Christopher ◽  
M. Abinaya ◽  
P. Deepak Raj ◽  
M. Sridharan
Keyword(s):  
Electron Microscopy ◽  
Thin Films ◽  
Smooth Surface ◽  
Deposition Time ◽  
Si Substrate ◽  
X Ray ◽  
Coating Time ◽  
Deposited Films ◽  
Nio Films ◽  
Scanning Electron

The present work deals with NiO/Si3N4 layers formed by depositing nickel oxide (NiO) thin films over silicon nitrate (Si3N[Formula: see text] thin films. NiO films were coated on Si3N4-coated Si substrate using magnetron sputtering method by changing duration of coating time and were analyzed using X-ray diffractometer, field emission-scanning electron microscopy, UV–Vis spectrophotometer and four-point probe method to study the influence of thickness on physical properties. Crystallinity of the deposited films increases with increase in thickness. All films exhibited spherical-like structure, and with increase in deposition time, grains are coalesced to form smooth surface morphology. The optical bandgap of NiO films was found to decrease from 3.31[Formula: see text]eV to 3.22[Formula: see text]eV with upsurge in the thickness. The film deposited for 30[Formula: see text]min exhibits temperature coefficient resistance of [Formula: see text]1.77%/[Formula: see text]C as measured at 80[Formula: see text]C.

Effect of SiO2 Thickness on GaAs Nanowires on Si (111) Substrates Grown by Molecular Beam Epitaxy

2015 ◽  
Vol 1131 ◽  
pp. 16-19
Author(s):  
Patchareewan Prongjit ◽  
Samatcha Vorathamrong ◽  
Somsak Panyakeow ◽  
Chiraporn Tongyam ◽  
Piyasan Prasertthdam ◽  
...  
Keyword(s):  
Electron Microscope ◽  
Molecular Beam Epitaxy ◽  
Scanning Electron Microscope ◽  
Structural Properties ◽  
Molecular Beam ◽  
Molecular Beam Epitaxy Growth ◽  
Si Substrate ◽  
Growth Technique ◽  
Gaas Nanowires ◽  
Scanning Electron

The GaAs nanowires are grown on Si (111) substrates by Ga-assisted molecular beam epitaxy growth technique. The effect of SiO2 thickness on the structural properties of GaAs nanowires is investigated by Scanning Electron Microscope (SEM). The nucleation of GaAs nanowires related to the presence of a SiO2 layer previously coated on Si substrate. The results show that the density, length, and diameter of GaAs nanowires strongly depend on the oxidation time (or SiO2 thickness).

The Effect of Deposition Temperature on the Growth of ZnO Nanorods on Porous Silicon using Sol-gel Immersion Method

2009 ◽  
Author(s):  
S. Amizam ◽  
M. H. Mamat ◽  
Z. Khusaimi ◽  
H. A. Rafaie ◽  
M. Z. Sahdan ◽  
...  
Keyword(s):  
Porous Silicon ◽  
Deposition Temperature ◽  
Sol Gel ◽  
Zno Nanorods ◽  
Immersion Method

Structural Properties of Sn-Doped ZnO Thin Films Deposited on Glass Substrate Using Sol-Gel Immersion Method

2015 ◽  
Vol 1109 ◽  
pp. 568-571
Author(s):  
Shafura Karim ◽  
Uzer Mohd Noor ◽  
M.H. Mamat ◽  
Shuhaimi Abu Bakar ◽  
Salman A.H. Alrokayan ◽  
...  
Keyword(s):  
Electron Microscopy ◽  
Thin Films ◽  
Scanning Electron Microscopy ◽  
Zinc Oxide ◽  
Glass Substrate ◽  
Sol Gel ◽  
Zno Thin Films ◽  
Immersion Method ◽  
Doped Zno ◽  
Scanning Electron

Tin-doped Zinc Oxide (Sn-doped ZnO) thin films were prepared using zinc acetate dehydrate as a starting material by sol-gel immersion method. The doping concentrations were varied at 0 at.%, 1.0 at.%, 2.0 at.% and 3.0 at.%. The synthesized samples were characterized by Field Emission Scanning Electron Microscopy (FESEM).

Effect of Milling Time on the Structural Properties of Titanium Dioxide Nanopowder

2012 ◽  
Vol 229-231 ◽  
pp. 228-232
Author(s):  
N.N. Hafizah ◽  
M.F. Achoi ◽  
L.N. Ismail ◽  
M. Rusop
Keyword(s):  
Electron Microscopy ◽  
Structural Properties ◽  
Milling Time ◽  
Anatase Phase ◽  
Sol Gel ◽  
Milling Process ◽  
X Ray Diffraction ◽  
Paper Report ◽  
X Ray ◽  
Scanning Electron

This paper report the effect of milling time on the structural properties of TiO2nanopowder prepared from sol-gel milling process. The synthesized TiO2nanopowders have been characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM) and Fourier transform infrared (FTIR). XRD result reveals that the TiO2nanopowder in anatase phase is detected. The morphology of the TiO2nanopowder change obviously with the increase of the milling time. Further, FTIR results found the sharp peaks of Ti-O-Ti and Ti-O bonding at below 600 cm-1for all TiO2nanopowder.

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