scholarly journals CHARACTERIZATION AND ANTIBACTERIAL ACTIVITY OF UNDOPED ZNO AND COPPER DOPED ZNO THIN FILM PREPARED BY SOL–GEL DIP COATING METHOD

2017 ◽  
Vol 4 (09) ◽  
Keyword(s):  
Thin Film ◽  
Antibacterial Activity ◽  
Sol Gel ◽  
Dip Coating ◽  
Zno Thin Film ◽  
Coating Method ◽  
Doped Zno ◽  
Dip Coating Method

Preparation and Characterization of ZnO Thin Film Doped with Eu via Sol-Gel Method

2007 ◽  
Vol 336-338 ◽  
pp. 585-588 ◽  
Author(s):  
Dao Qi Xue ◽  
Jun Ying Zhang ◽  
Hai Bing Feng ◽  
Tian Min Wang
Keyword(s):  
Thin Film ◽  
Sol Gel ◽  
Luminescent Properties ◽  
Dip Coating ◽  
Luminescence Spectra ◽  
Zno Thin Film ◽  
Excitation Spectra ◽  
Coating Method ◽  
Dip Coating Method

ZnO:Eu3+ films were obtained by dip-coating method and influence of heat treatment on luminescent properties was investigated. Emission and excitation spectra revealed that the organic and nitrate molecules, which adhered on the surface of films when the samples were treated at lower temperatures (300oC-400oC), played an important role on the luminescent properties. At higher temperatures (500oC-800oC), the luminescence spectra of ZnO and Eu3+ were quite different with those treated at lower temperatures. Energy transferred from ZnO host to Eu3+ was obviously observed in the emission and excitation spectra. The luminescence mechanism was discussed briefly.

scholarly journals Structural, Morphological and Optical Properties of Aluminium Doped ZnO Thin Film by Dip-Coating Method

2018 ◽  
Vol 34 (3) ◽  
pp. 1619-1624 ◽  
Author(s):  
Ba. Anandh ◽  
A. Shankar Ganesh ◽  
R. Thangarasu ◽  
R. Sakthivel ◽  
R. Kannusamy ◽  
...  
Keyword(s):  
Thin Film ◽  
Optical Properties ◽  
Dip Coating ◽  
Zno Thin Film ◽  
Coating Method ◽  
Doped Zno ◽  
Dip Coating Method

Effect of Annealing Temperatures and Pre-Heating on the Characteristics of a Nanocrystalline Zno Thin Film Prepared by the Sol-Gel Dip-Coating Method

2008 ◽  
Vol 63 (7-8) ◽  
pp. 440-444 ◽  
Author(s):  
Mohammad Hossein Habibi ◽  
Mohammad Khaledi Sardashti
Keyword(s):  
Thin Film ◽  
Thin Films ◽  
Annealing Temperature ◽  
Sol Gel ◽  
Dip Coating ◽  
Zno Thin Films ◽  
Zno Thin Film ◽  
Annealing Temperatures ◽  
Coating Method ◽  
Dip Coating Method

For effectively fabricating nanocrystalline ZnO thin films by the sol-gel method, the relationships between the temperature of the heat treatment and the quality of the ZnO thin films was observed. The decomposition of the sol was analyzed by TG-DTA. The orientation of the c-axis of the ZnO thin film was identified by XRD. The morphology was observed and estimated by SEM. The experimental results did show that the orientation of the c-axis is determined by the pre-heating and annealing temperatures, and that the grain size and roughness of the ZnO thin films are mainly influenced by the annealing temperature. A qualified ZnO thin film was prepared by using a sol-gel with a preheating temperature of 275 °C for 10 min and an annealing temperature of 550 °C for 60 min.

Synthesis of WO3 Electrochromic Sensor by Sol-Gel Method and Characterization of Its Electrochemical and Optical Properties

2006 ◽  
Vol 317-318 ◽  
pp. 807-810 ◽  
Author(s):  
Chang Yeoul Kim ◽  
Jin Wook Choi ◽  
Tae Yeoung Lim ◽  
Duck Kyun Choi
Keyword(s):  
Thin Film ◽  
Sol Gel ◽  
Dip Coating ◽  
Xrd Pattern ◽  
Starting Solution ◽  
Oxide Crystal ◽  
Heat Treated ◽  
Coating Method ◽  
Dip Coating Method

Electrochromic WO3 thin film was prepared by using tungsten metal solution in hydrogen peroxide as a starting solution and by sol-gel dip coating method. XRD pattern showed that tungsten oxide crystal phase formed at 400. In the view of electrochemical property, WO3 thin film which was heat-treated at 300 and was amorphous had better than that of the crystalline phase.

Optical, magnetic and structural properties of Cr-doped ZnO thin films by sol–gel dip-coating method

2017 ◽  
Vol 4 (9) ◽  
pp. 096403 ◽  
Author(s):  
Zohra N Kayani ◽  
Marya Siddiq ◽  
Saira Riaz ◽  
Shahzad Naseem
Keyword(s):  
Thin Films ◽  
Structural Properties ◽  
Sol Gel ◽  
Dip Coating ◽  
Zno Thin Films ◽  
Coating Method ◽  
Doped Zno ◽  
Dip Coating Method

Effect of ZnO on a Superhydrophilic Self-Cleaning Properties of TiO2/SiO2 Thin Film on Glass Slide Substrate

2015 ◽  
Vol 1131 ◽  
pp. 237-241 ◽  
Author(s):  
Akkarat Wongkaew ◽  
Chanida Soontornkallapaki ◽  
Naritsara Amhae ◽  
Wichet Lamai
Keyword(s):  
Thin Film ◽  
Contact Angle ◽  
Visible Light ◽  
Band Gap ◽  
Sol Gel ◽  
Dip Coating ◽  
Band Gap Energy ◽  
Gap Energy ◽  
Coating Method ◽  
Dip Coating Method

This work aims to study the effect of ZnO containing in TiO2/SiO2 film on the superhydrophilic property after exposed to different types of light. The metal solutions were prepared by sol-gel technique and the film was deposited on glass slides by dip coating method. The parameter studied was the amount of ZnO in the TiO2/SiO2 film. The contents of ZnO were 5-20% weight (increased by 5%). The amount of TiO2 was constant at 30% weight. The obtained films were analyzed for their roughness. The results indicated that film roughness changed according to the ZnO contents. With 5%ZnO in the thin film, the roughness was 0.726 nm while 20%ZnO obtained the roughness of 2.128 nm. UV-Vis spectrophotometer was used for measuring of transmittance of films. At wavelength of 550 nm, the transmittances of each film were greater than 90%. Band gap energy of each film was calculated from the transmittance data. It was found that the average band gap energy of the films was 2.47 eV. Then, the films contained various amount of ZnO were grouped into 2 sets. The first set was exposed to visible light while the other set was exposed to UV. The duration of exposure was 5 hr. Both sets of films after exposed to any light were kept in a black box controlled relative humidity of 85%. Each film was measured contact angle every day. It was found that the 30%TiO2/5%Zn/SiO2 film exposed to visible light showed the best superhydrophilic property. The contact angle was about 0-5° within 3 days. This may due to the reduction of band gap energy in the presence of ZnO in TiO2/SiO2 films to 2.41 eV and the roughness of the film.

Al Doped ZnO Thin Film Based Ultraviolet Photo-Conductive Sensor Prepared by Sol-Gel Spin-Coating Method

2009 ◽  
Author(s):  
M. H. Mamat ◽  
M. Z. Sahdan ◽  
S. Amizam ◽  
H. A. Rafaie ◽  
Z. Khusaimi ◽  
...  
Keyword(s):  
Thin Film ◽  
Spin Coating ◽  
Sol Gel ◽  
Zno Thin Film ◽  
Spin Coating Method ◽  
Coating Method ◽  
Doped Zno

Electrochemical and Optical Properties of WO3 Prepared by Sol-Gel Coating

2007 ◽  
Vol 544-545 ◽  
pp. 1081-1084 ◽  
Author(s):  
Chang Yeoul Kim ◽  
Seong Geun Cho ◽  
Seok Park ◽  
Tae Yeoung Lim ◽  
Duck Kyun Choi
Keyword(s):  
Thin Film ◽  
Tungsten Oxide ◽  
Active Sites ◽  
Sol Gel ◽  
Dip Coating ◽  
Treatment Temperature ◽  
Starting Solution ◽  
Coating Method ◽  
Dip Coating Method ◽  
Xrd Patterns

Electrochromic WO3 thin film was prepared by using tungsten metal solution in hydrogen peroxide as a starting solution and by a sol-gel dip coating method. The thermal analysis was conducted by DSC/TG method. A DSC/TG analysis and the XRD patterns showed that a tungsten oxide crystal phase was formed at 400oC. WO3 thin film when heat-treated at 300oC was amorphous and had a better electrochemical property than that of the crystalline phase. Crystallization of tungsten oxide decreased active sites of ion intercalation so that the current density decreased with heat-treatment temperature.

scholarly journals Cr–ZnO nanostructured thin film coating on borosilicate glass by cost effective sol–gel dip coating method

2018 ◽  
Vol 9 (4) ◽  
pp. 777-782 ◽  
Author(s):  
Rupeshkumar V. Ramani ◽  
Bharat M. Ramani ◽  
Anjana D. Saparia ◽  
Chirag Savaliya ◽  
K.N. Rathod ◽  
...  
Keyword(s):  
Thin Film ◽  
Borosilicate Glass ◽  
Sol Gel ◽  
Cost Effective ◽  
Film Coating ◽  
Dip Coating ◽  
Thin Film Coating ◽  
Nanostructured Thin Film ◽  
Coating Method ◽  
Dip Coating Method
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