The effect of doping ratio on the opical properties of CdSe film
Other Title(s)
تأثير نسب التطعيم على الخصائص البصرية لأغشية CaSe
Author
Source
Issue
Vol. 3, Issue 1 (31 Mar. 2006), pp.180-186, 7 p.
Publisher
University of Baghdad College of Science for Women
Publication Date
2006-03-31
Country of Publication
Iraq
No. of Pages
7
Main Subjects
Abstract EN
The films of CtiSe pure and doped with copper of ratio (0.5, 1.5, 2.5, & 4wt%Cu) have been prepared by evaporation technique of thickness 1 [im onto clean glass substrate.
The effect of Cu concentration on optical properties of CdSe pure and doped with copper has been studied.
It s found that they have direct energy gap.
The absorption edge was shift slightly towards higher wavelength for Cu- doped films and energy gaps(Eg) decrease with increasing of Cu concentration from 1.
83eV to 1.79eV for CdSe pure and doped with 4wt% respectively, due to increasing of impurity levels in the band gap.
It was found that the absorption coefficient is increased with increase of Cu concentration from 7X103cm 1 at 0.75^m for pure CdSe to the 1.15X104cm‘1 for 4wt% Cu at the same wavelength.
The amorphousity of the films decreases with increasing of Cu concentration due to improve the structure of the film by adding the Cu.
And the density of state increases with increasing copper from (0.119-0.15)eV for CdSe pure and doped with 4wt% respectively.
The refractive index, extinction coefficient and dielectric constant were also studied.
American Psychological Association (APA)
al-Fawadi, Iman Muzhir. 2006. The effect of doping ratio on the opical properties of CdSe film. Um-Salama Science Journal،Vol. 3, no. 1, pp.180-186.
https://search.emarefa.net/detail/BIM-369286
Modern Language Association (MLA)
al-Fawadi, Iman Muzhir. The effect of doping ratio on the opical properties of CdSe film. Um-Salama Science Journal Vol. 3, no. 1 (2006), pp.180-186.
https://search.emarefa.net/detail/BIM-369286
American Medical Association (AMA)
al-Fawadi, Iman Muzhir. The effect of doping ratio on the opical properties of CdSe film. Um-Salama Science Journal. 2006. Vol. 3, no. 1, pp.180-186.
https://search.emarefa.net/detail/BIM-369286
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references : p. 184-185
Record ID
BIM-369286