Effect of precursor concentration on structural and optical properties of ZnO microrods by spray pyrolysis

2012 ◽  
Vol 520 (6) ◽  
pp. 2132-2135 ◽  
Author(s):  
F. Zahedi ◽  
R.S. Dariani
2019 ◽  
Vol 206 ◽  
pp. 59-69 ◽  
Author(s):  
Serdar Gültekin ◽  
Serdar Yıldırım ◽  
Ozan Yılmaz ◽  
İlker Çetin Keskin ◽  
Mehmet İsmail Katı ◽  
...  

2010 ◽  
Vol 7 (1) ◽  
pp. 69-75
Author(s):  
Baghdad Science Journal

Undoped and Co-doped zinc oxide (CZO) thin films have been prepared by spray pyrolysis technique using solution of zinc acetate and cobalt chloride. The effect of Co dopants on structural and optical properties has been investigated. The films were found to exhibit maximum transmittance (~90%) and low absorbance. The structural properties of the deposited films were examined by x-ray diffraction (XRD). These films, deposited on glass substrates at (400? C), have a polycrystalline texture with a wurtzite hexagonal structure, and the grain size was decreased with increasing Co concentration, and no change was observed in lattice constants while the optical band gap decreased from (3.18-3.02) eV for direct allowed transition. Other parameters such as Texture Coefficient (Tc), dislocation density (?) and number of crystals (M) were also calculated .


2014 ◽  
Vol 11 (2) ◽  
pp. 518-526
Author(s):  
Baghdad Science Journal

Thin films of pure tin mono-sulfide SnS and tin mono-sulfide for (1,2,3,4)% fluorine SnS:F with Thicknesses of (0.85 ±0.05) ?m and (0.45±0.05) ?m respectively were prepared by chemical spray pyrolysis technique. the effect of doping of F on structural and optical properties has been studied. X-Ray diffraction analysis showed that the prepared films were polycrystalline with orthorhombic structure. It was found that doping increased the intensity of diffraction peaks. Optical properties of all samples were studied by recording the absorption and transmission spectrum in range of wave lengths (300-900) nm. The optical energy gap for direct forbidden transition and indirect allowed transition were evaluated It is found that for doping less than 2% the optical energy gap increases as the percentage of doping increases in the samples while for doping more than 2% the values of the optical energy gap decreases as the percentage of doping increases.


2010 ◽  
Vol 207 (7) ◽  
pp. 1596-1599 ◽  
Author(s):  
Sharul Ashikin Kamaruddin ◽  
Mohd Zainizan Sahdan ◽  
Kah-Yoong Chan ◽  
Mohamad Rusop ◽  
Hashim Saim

2015 ◽  
Vol 47 (5) ◽  
pp. 601-606 ◽  
Author(s):  
Oleksandr Dobrozhan ◽  
Denys Kurbatov ◽  
Anatoliy Opanasyuk ◽  
Hyeonsik Cheong ◽  
Andreu Cabot

Author(s):  
Siti Zulaikha Umbaidilah ◽  
Nur Amierah Mohd Asib ◽  
Nurul Afaah Abdullah ◽  
Rabiatuladawiyah Md Akhir ◽  
Noor Asnida Asli ◽  
...  

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