CdS/CdTe
Optimization of High-Efficiency CdS/CdTe Thin Film Solar Cell Using Step Doping Grading and Thickness of the Absorption Layer
... stable CdS/CdTe solar cell is the formation of a stable, low resistance, non-rectifying contact to p-CdTe thin ...since CdTe is a p- type semiconductor with high electron affinity while most ...
6
An investigation of the influence of different transparent conducting oxide substrates/front contacts on the performance of CdS/CdTe thin film solar cells
... in CdS/CdTe solar cells instead of the conventionally used ...p- CdTe/metal interfaces for a given metal ...produce CdTe-based solar cells with reasonable conversion efficiencies [8 - ...For ...
16
Power Conversion Enhancement of CdS/CdTe Solar Cell Interconnected with Tunnel Diode
... of CdTe as one of the junction sides had been under investigation for many years ...In-doped CdTe thin films were studied in details ...the CdTe film was of modified Poole-Frenkel conduction ...
8
Effect of the inclusion of Galium in normal Cadmium chloride treatment on electrical properties of CdS/CdTe solar cell
... [2]. CdS/CdTe-based solar cell which has attained ...the CdS/CdTe interface morphology, improvement in Cd:Te stoichiometric composition, reduction of Te precipitation amongst other advantages ...
21
Optimization of Electrics Parameters CdS/CdTe Thin Film Solar Cell Using Dielectric Model
... The solar cell CdS/CdTe obtained in our model has an open circuit voltage of 775 V and a maximum power point of 645 mV. Considering that our PV panel should be able to charge a 12 V battery to its maximum ...
12
Unravelling complex nature of CdS/CdTe based thin film solar cells
... ero-structure has shown a drastic improvement changing from 16.5 to 22.1% efficiency during a short period of time from ~2013 to ~2016. This has happened in the industrial environment and the open research in this field ...
21
Investigating the electronic properties of multi junction ZnS/CdS/CdTe graded bandgap solar cells
... The fabrication of multi-junction graded bandgap solar cells have been successfully achieved by incorporating wide bandgap ZnS semiconductor as a buffer layer to CdS/CdTe-based solar cells. The summary of ...
17
The influence of ZnS crystallinity on all electroplated ZnS/CdS/CdTe graded bandgap device properties
... of CdS is constrained due to the parasitic absorption of CdS below 520 nm photon wavelengths [5] as a result of its ...for CdS [7] but factors such as high lattice mismatch between ZnS and ...
27
Electronic Properties of CdS/CdTe Solar Cells as Influenced by a Buffer Layer
... We considered modification of the defect density of states in CdTe as influenced by a buffer layer in ZnO(ZnS, SnSe)/CdS/CdTe solar cells. Compared to the solar cells employing ZnO buffer layers, ...
7
A High Efficiency Ultra Thin (1.8 um) CdS/CdTe p-i-n Solar Cell with CdTe and Si as BSF layer
... modules, CdS/CdTe thin-film solar cells reveals significant suitability owing to its distinctive characteristics encompassing the following ...of CdTe is ...of CdTe as p-type semiconductor ...
5
Scientific complications and controversies noted in the field of CdS/CdTe thin film solar cells and the way forward for further development
... etched CdTe surfaces indicates that these mid-gap defects level appears for Te-rich CdTe ...level, CdTe should be grown with ...Cd-rich CdTe surfaces. Therefore, without any doubt, ...
16
Optimisation of CdTe electrodeposition voltage for development of CdS/CdTe solar cells
... the CdTe material layers will be either Te-rich or Cd-rich. When the CdTe is stoichiometrically grown and heat treated in air, only the (111) peak is dominant in the XRD diffractogram indicating a high ...
18
Optimisation of pH of cadmium chloride post growth treatment in processing CDS/CDTE based thin film solar cells
... Although efficiency stagnation in the cadmium sulphide/cadmium telluride (CdS/CdTe) based solar cell has been reported in the literature for the past twenty years prior to the recent improvement in both ...
24
Effect of thickness: as case study of electrodeposited CdS in Cds/CdTe based photovoltaic devices
... of CdS layer thickness is required for increased ...of CdS thickness without taking into consideration the deposition technique, deposition mechanism and the effect of the roughness of the underlying ...
24
Optimisation of pH of the CdCl2+Ga2(SO4)3 activation step of CdS/CdTe based thin film solar cells
... of CdTe remain as solids (Amarasinghe et ...solid CdTe crystals float in a liquid of grain boundary materials, grains grow by Oswald ripening, dope the surface of CdTe crystals using Cl and Ga, and ...
23
The effect on CdS/CdTe solar cell conversion efficiency of the presence of fluorine in the usual CdCl2 treatment of CdTe
... of CdTe can be seen in the improvement of the absorption edge and gradient of the absorption coefficient curve of the ...of CdTe as can be seen in the absorption coefficient starting from a value close to ...
11
Research and development of CdS/CdTe solar cells incorporating ZnTe layers
... Chapter 10 has presented that, relatively, the inclusion o f thin ~9 to 14 nm electrodeposited ZnTe layers between CdTe and back metal contact can enhance the fill factor values o f CdS/[r] ...
277
Graded Bandgap solar cells using all electrodeposited ZnS, CdS and CdTe thin films
... a CdTe-based solar cell to improve device performance using all-electrodeposited ZnS, CdS and CdTe ...n-type CdTe absorber layer instead of the conventional p-type CdTe as well as ...
21
Thin film solar cells using all electrodeposited ZnS, CdS and CdTe materials
... electrodeposited CdTe layers and glass/FTO/CdS/CdTe/metal thin film solar cells fabricated using both two-electrode and three-electrode systems in this thesis, shows that both systems can produce ...
348
15 3% efficient graded bandgap solar cells fabricated using electroplated CdS and CdTe thin films
... As indicated by the statistics shown in Figure 3, for these preliminary devices, it is clear that the uniformity of device parameters and consistency need improving. However, the best devices showing 15.3% efficiency for ...
11