CdZnTe thin films growth by RF sputtering for CdTe solar cells
The energy bandgap of the samples were found to vary between 2.04 eV–2.54 eV, which covers the range of most BSF materials used for CdTe solar cells. The study has thus shown the feasibility of using RF sputtering for the development of both absorber and BSF layer in one monolithic structure, for applications in CdTe thin film solar cells.
Toward Development of CdZnTe and CdMnTe Thin Film‐Based Solar Cells
The performance characteristics reveal that the maximum efficiency for CdTe thin film solar cells is 7.13% with post-CdCl2 heat treatment of 75 min while 8.11% efficiency is recorded for CdZnTe
Toward Development of CdZnTe and CdMnTe Thin
To address the issue of open circuit voltage loss in CdTe solar cells, CZT and CMT-based PV technologies are viable and low-cost substitute PV technology for achieving maximum cell efficiency in light of the
Toward Development of CdZnTe and CdMnTe Thin Film‐Based Solar Cells
Thin‐film solar cells (TFSCs) are garnering attention for their unstoppable growth as a sustainable energy source as well as their innovations and indispensability. TFSCs'' efficiency has plateaued, necessitating the development of novel, practical, and inexpensive alternative energy sources. CdTe material lacks the band gap for the top layer. It can still be used as an absorber top layer
CdZnTe thin films as proficient absorber layer candidates in solar
In this case, the CdZnTe (CZT) material is a promising candidate for the fabrication of solar cells, where CdZnTe thin films are applied as absorber layers in devices possessing a tandem architecture.
Modeling of CdZnTe and CIGS and tandem solar cells
Based on Crosslight APSYS, single junction CdZnTe and CIGS solar cells as well as two-terminal CdZnTe/CIGS tandem cells with tunnel junction are modeled. Basic physical quantities like band diagrams, optical absorption and generation are obtained. Quantum efficiency and I–V curves are presented. The results are discussed with respect to the interface recombination velocity, the
Modeling study for developing CdZnTe(CdSe)/CIGS tandem solar cells
Based on Crosslight APSYS, single junction ZnTe/CdSe, CdZnTe/CdSe and CIGS/CdS solar cells as well as CdZnTe(CdSe)/CIGS tandem cells are modeled. Basic physical quantities like band diagrams, optical absorption and generation are obtained. Quantum efficiency and I-V curves are presented. The results are discussed with respect to the interface
Investigation of CdZnTe for Thin-Film Tandem Solar Cell Applications
Investigation of CdZnTe for Thin-Film Tandem Solar Cell Applications Preprint R. Dhere, T. Gessert, J. Zhou, S. Asher, J. Pankow, and H. Moutinho To be presented at the 2003 Materials Research Society Spring Meeting San Francisco, California April 21-25, 2003 National Renewable Energy Laboratory 1617 Cole Boulevard Golden, Colorado 80401-3393
Toward Development of CdZnTe and CdMnTe Thin
Abstract Thin-film solar cells (TFSCs) are garnering attention for their unstoppable growth as a sustainable energy source as well as their innovations and indispensability. After that, device samples having
Growth and process optimization of CdTe and CdZnTe
However, CdZnTe solar cells fabricated by the identical process sequence used successfully for high efficiency CdTe cells gave efficiencies of only around 4.4%. In addition, the CdZnTe band gap shifted from 1.7 eV to 1.55 eV and the series resistance (around 2-6 ~ cm2) was 3-5 times higher than in the counterpart CdTe solar cells.
Efficiency improvement of CdZnTe solar cell by modification of
Keywords CdZnTe Graded solar cells Efficiency Heterojunction 1 Introduction Improving the performance efficiency is one of the major challenges in the design and implementation of the solar cells (Lo´pez et al. 2012; Bahrami et al. 2013). One technique used to increase the cell efficiency is to linearly grading band gap of the active layer
CdZnTe thin films as proficient absorber layer
In this case, the CdZnTe (CZT) material is a promising candidate for the fabrication of solar cells, where CdZnTe thin films are applied as absorber layers in devices possessing a tandem architecture.
The synthesis of CdZnTe semiconductor thin films for
A new approach is adopted to grow cadmium zinc telluride (CdZnTe) thin films using the close spaced sublimation (CSS) technique. The deposition parameters for the growth of cadmium telluride (CdTe
Low cost single crystal CdZnTe-Silicon tandem PV
The resulting solar cell was a 3 μm single-crystal CdZnTe cell, without a post-growth halogen heat treatment, on c-Si 211B substrate, with photocurrent J γ = 16 mA/cm 2 and efficiency η = 16%. This solar cell had the highest V oc = 1.34V ever recorded for a single junction solar cell. There have been several developments that now enable this
The synthesis of CdZnTe semiconductor thin films for tandem solar cells
A new approach is adopted to grow cadmium zinc telluride (CdZnTe) thin films using the close spaced sublimation (CSS) technique. The deposition parameters for the growth of cadmium telluride (CdTe) thin films onto the glass substrate were optimized. A zinc telluride (ZnTe) thin film layer was deposited onto already
The synthesis of CdZnTe semiconductor thin films for tandem
A new approach is adopted to grow cadmium zinc telluride (CdZnTe) thin films using the close spaced sublimation (CSS) technique. The deposition parameters for the growth of cadmium telluride (CdTe) thin films onto the glass substrate were optimized.
Tandem solar cells beyond perovskite-silicon
Tandem solar cells have significantly higher energy-conversion efficiency than today''s state-of-the-art solar cells. This article reviews alternatives to the popular perovskite-silicon tandem system and highlights four cell combinations,
CdZnTe thin films as proficient absorber layer candidates in solar cell
CdTe and CdZnTe solar cells were developed using the MOCVD and MBE methods in both the p–i–n and n–i–p configurations on glass/SnO 2 /CdS substrates and the effect of CdCl 2 treatment on these solar cells was investigated. The PCE for the CdZnTe and CdTe solar cells was observed to be 4.4% and 10%, respectively.
Investigation of CdZnTe for Thin-Film Tandem Solar Cell Applications
Ternary alloy CdZnTe is a good candidate as it is a well-behaved system and is based on CdTe. In this paper, we use three key approaches that have been responsible for improved performance of CdTe devices: 1) CSS technique for the deposition of alloy layers because the best
A comprehensive review of flexible cadmium telluride solar cells
CdTe solar cells can be fabricated using multiple progressive methods, including sputtering [[7], [8], [9]], electrodeposition [10], and vapor deposition [11], which are relatively simple and inexpensive.With continued research and development, CdTe-based solar cells ultimately have a higher chance of becoming a significant contributor to the global transition to
Photoelectrochemical solar cell study of
S Chander et al. has used CdZnTe as solar absorbing layer in multilayer design for solar cell and achieved efficiency of 8.11%. Moreover, the inclusion Zn with CdTe rectifies the contact problems and thus improves open circuit voltage in solar cells (Chander and Dhaka, 2016, Chander and Dhaka, 2017c, Oklobia et al., 2019).
Design of CdZnTe and Crystalline Silicon Tandem Junction Solar Cells
Simulations of a stacked four-terminal silicon-CdZnTe tandem solar cell are performed. The input parameters are derived from [11, 12,16,23,26] Simulations of the CdZnTe top cell shown in Fig. 3
The synthesis of CdZnTe semiconductor thin films for tandem solar cells
The synthesis of CdZnTe semiconductor thin films for tandem solar cells Nazar Abbas Shah, *a Waqar Mahmood,b Murrawat Abbas,c Nadeem Nazar,d Ashfaq H. Khosa,a Aurang Zebd and Abdul Malike A new approach is adopted to grow cadmium zinc telluride (CdZnTe) thin films using the close spaced sublimation (CSS) technique.
Prospects of Novel CdZnTe Thin Film Solar Cells from
The efficiency of CdTe based solar cell can be increased using ternary CdZnTe material as absorber layer. Cd 1-x Zn x Te has tunable bandgap depending on the composition.
Exploration of CdMnTe thin film solar cells
The built-in voltage and dopant-density (Ojo and Dharmadasa, 2016) of device post-treated at 300 °C are found to 0.87 eV and 2.43 × 10 16 cm −3 respectively which is in order of CdZnTe and CdTe solar cells (Chander and Dhaka, 2017, Chander et al., 2018) and indicate that CMT solar cells might be promising and inexpensive alternate next-generation
Design of CdZnTe and Crystalline Silicon Tandem Junction Solar Cells
A tandem photovoltaic system consisting of cadmium zinc telluride/crystalline silicon (CZT/c-Si) combines the successful technologies of cadmium telluride and silicon into a single platform and offers the potential efficiencies up to 46% in theory. However, the highest efficiency fabricated CZT/c-Si tandem cell is only 16.8% today. In this paper, we develop a
Toward Development of CdZnTe and CdMnTe Thin Film‐Based Solar Cells
Cd1−xZnxTe (CZT) and Cd1−xMnxTe (CMT) based PV cells have been explored, and an attempt has been made to offer a substitute for regular cadmuim telluride material. Both devices showed 6.67% and 6.11%...
Towards CdZnTe solar cells: An evolution to post-treatment
DOI: 10.1016/J.SOLENER.2018.09.025 Corpus ID: 126154667; Towards CdZnTe solar cells: An evolution to post-treatment annealing atmosphere @article{Chander2018TowardsCS, title={Towards CdZnTe solar cells: An evolution to post-treatment annealing atmosphere}, author={Subhash Chander and Arijit Kumar De and Mahendra Singh Dhaka}, journal={Solar
Efficiency improvement of CdZnTe solar cell by modification of
Conducted numerical modeling of operating characteristics of CdZnTe/Si tandem solar cell is carried out on a 300 μm-thick silicon substrate, showing a maximum solar energy conversion efficiency of 27.4 % for AM1.5 solar spectra (Grigoryev and Lozovoy 2014).
Prospects of novel CdZnTe thin film solar cells from numerical analysis
Abstract: The efficiency of CdTe based solar cell can be increased using ternary CdZnTe material as absorber layer. Cd 1-x Zn x Te has tunable bandgap depending on the composition. In this work the bandgap of CdZnTe layer (1.57 eV) which is in the optimum range, can be achieved with Zn composition of x=0.1. First the carrier concentration of absorber layer in the baseline case
Investigation of CdZnTe for Thin-Film Tandem Solar Cell Applications
Modeling of two-junction tandem devices shows that for optimal device performance, the bandgap of the top cell should be around 1.6-1.8 eV. CdZnTe alloys can be tailored to yield bandgaps in the desired range. In this study, three approaches were used to fabricate these films. The CdTe and ZnTe films were deposited by close-spaced sublimation
Numerical Modeling of Cd1-x ZnxS/ Cd1-xZnx Te Photovoltaic Solar Cells
CdZnS/ CdZnTe photovoltaic solar cell is proposed in this research work. Solar cell performance is described on the basis of numerical analysis. Heterojunction photovoltaic solar cell performance is simulated and analyzed using simulation software called SCAPS (Solar Cell Capacitance Simulator). The cell structure is based on CdZnTe ternary compound semiconductor as the
Towards CdZnTe solar cells: An evolution to post-treatment annealing
As far literature concerned, the efficiency of solar cells has influenced by several factors viz. processed technique, layers thickness and different conditions of pre or post-treatments as well as no report is available on enhancement in performance of CdZnTe solar cells post-treated in different annealing atmospheres, so this work is carried out herein.
Modeling of CdZnTe and CIGS and tandem solar cells
Based on Crosslight APSYS, single junction CdZnTe and CIGS solar cells as well as two-terminal CdZnTe/CIGS tandem cells with tunnel junction are modeled. Basic physical quantities like band diagrams, optical absorption and generation are obtained. Quantum efficiency and I–V curves are presented. The results are discussed with respect to the interface
Prospects of Novel CdZnTe Thin Film Solar Cells from
recorded for CdZnTe solar cells by co-sputtering of CdTe and ZnTe targets [13]. The CdZnTe layer also can be used as back contact for CdTe solar Cells [14]. The practical
CdZnTe thin films as proficient absorber layer
Accordingly, this review presents an overview of CdZnTe as a suitable absorber material in solar cell devices together with the development employing different techniques, impact of thermal annealing and chloride