21 Questions 17 Answers 0 Followers
Questions related from Kebbab Zoubir
In solar energy application, often we should know the sun position at each instant. With the sun position calculation, I think we can establish a database for this purpose. Then we can use-it for...
03 January 2015 3,516 11 View
From band structure obtained with an existing calculation method , can we reach the result relating to the contact barrier between two materials ?
16 December 2014 2,130 12 View
I mean optical constants or other physical constants which are recommanded in this kind of applications
01 February 2014 1,629 4 View
The desired process must be easy to set up and economical.
17 January 2014 3,282 6 View
The band structure is easy to determine using ab-initio calculation (e.g Wien2k code). How can we determine the potential barrier obtained by the given materials from the band structure of each...
26 December 2013 3,806 5 View
Please, give me some example for obtaining semiconductors compound (CdTe, PbS, ZnO, etc.)
19 December 2013 134 1 View
What are the most interesting properties of semiconductors (gap, etc.), which allows us their utilization in solar cells?
31 August 2013 3,641 6 View
In some applications, the obtained images are still not colored. Seeking way to retrieve the initial color.
31 August 2013 5,903 2 View
The same question can be asked also in the case of electrical gap and optical gap.
30 July 2013 7,411 19 View
This question is asked in order to manufacture thin solid film on a glass substrate. I wish also to have responses on the principal precursors used in this technique.
28 June 2013 3,684 5 View
Generally, cutoff frequencies vary when we act on the number of layers or on their thickness.
12 June 2013 5,090 4 View
Is it possible to measure a value of about 0.426 eV for the phonon energy in the case of an indirect gap of about 0.560 eV? Is this result possible or it is an experiment error?
05 May 2013 1,166 4 View
The substrate which supports the multilayer thin films is generally considered as infinity. In reality, any substrate is finite. It is also thick versus the thin films.
17 April 2013 5,689 2 View
Most obtained filters aren't wide enough. Generally, in this kind of design, the central frequency is chosen. Is it possible to chose the cutoff frequencies instead of central frequency?
11 April 2013 294 5 View
Density of state or band structure energy can be obtained using any theoretical approach, for example DFT. So, from these results, is it possible to determine the type (n or p) of a given...
05 April 2013 2,725 19 View
Of course, we would use it for our simulation applications.
05 April 2013 1,150 2 View
The most used electrolyte in DSSC applications is liquid. I think that solid electrolyte is more suitable for manufacturing of this kind of solar cells.
03 April 2013 529 3 View
I need any polymer that can be used as transparent electrode.
31 March 2013 5,749 2 View
The composite is made from two or more constituent materials. If we know the optical constants of origin materials, is it possible to determine those of the composite ?
18 March 2013 7,837 2 View
In the case of an indirect transition assisted by two or more phonon, how can I determine Egi (indirect gap) and energy Eph of each phonon .
13 March 2013 7,123 1 View
Essential precursors
05 March 2013 1,419 1 View
