scholarly journals Performance Optimization of the InGaP/GaAs Dual-Junction Solar Cell Using SILVACO TCAD

2021 ◽  
Vol 2021 ◽  
pp. 1-12
Author(s):  
Marwa S. Salem ◽  
Omar M. Saif ◽  
Ahmed Shaker ◽  
Mohamed Abouelatta ◽  
Abdullah J. Alzahrani ◽  
...  
Keyword(s):  
Solar Cell ◽  
Conversion Efficiency ◽  
Performance Optimization ◽  
Solar Spectrum ◽  
Cell Performance ◽  
Window Layer ◽  
Electrical Performance ◽  
Performance Parameters ◽  
Solar Cell Performance ◽  
Cell Window

In this work, an optimization of the InGaP/GaAs dual-junction (DJ) solar cell performance is presented. Firstly, a design for the DJ solar cell based on the GaAs tunnel diode is provided. Secondly, the used device simulator is calibrated with recent experimental results of an InGaP/GaAs DJ solar cell. After that, the optimization of the DJ solar cell performance is carried out for two different materials of the top window layer, AlGaAs and AlGaInP. For AlGaAs, the optimization is carried out for the following: aluminum (Al) mole fraction, top window thickness, top base thickness, and bottom BSF doping and thickness. The electrical performance parameters of the optimized cell are extracted: J SC = 18.23   mA / c m 2 , V OC = 2.33   V , FF = 86.42 % , and the conversion efficiency ( η c ) equals 36.71%. By using AlGaInP as a top cell window, the electrical performance parameters for the optimized cell are J SC = 19.84   mA / c m 2 , V OC = 2.32   V , FF = 83.9 % , and η c = 38.53 % . So, AlGaInP is found to be the optimum material for the InGaP/GaAs DJ cell top window layer as it gives 4% higher conversion efficiency under 1 sun of the standard AM1.5G solar spectrum at 300 K in comparison with recent literature results. All optimization steps and simulation results are carried out using the SLVACO TCAD tool.

Chemical Composition Dependence of Cu2ZnSnS4 Absorbers Fabricated by Sulfurization of Thermal Evaporated Metal Precursors and Solar Cell Performance

2015 ◽  
Vol 1738 ◽  
Author(s):  
Liyuan Zhang ◽  
Sreejith Karthikeyan ◽  
Mandip J. Sibakoti ◽  
Stephen A. Campbell
Keyword(s):  
Thin Film ◽  
Solar Cells ◽  
Solar Cell ◽  
Chemical Composition ◽  
Conversion Efficiency ◽  
Small Deviation ◽  
Short Circuit ◽  
Cell Performance ◽  
Czts Thin Film ◽  
Solar Cell Performance

ABSTRACTWe investigate the synthesis of kesterite Cu2ZnSnS4 (CZTS) thin films using thermal evaporation from copper, zinc and tin pellets and post-annealing in a sulfur atmosphere. The effects of chemical composition were studied both on the absorber layer properties and on the final solar cell performance. It is confirmed that CZTS thin film chemical composition affects the carrier concentration profile, which then influences the solar cell properties. Solar cells using a CZTS thin film with composition ratio Cu/(Zn+Sn) = 0.87, and Zn/Sn = 1.24 exhibited an open-circuit voltage of 483 mV, a short-circuit current of 14.54 mA/cm2, a fill factor of 37.66 % and a conversion efficiency of 2.64 %. Only a small deviation from the optimal chemical composition can drop device performance to a lower level, which confirms that the CZTS solar cells with high conversion efficiency existed in a relatively narrow composition region.

Ultrathin and micro-sized solar cell performance optimization via simulations

2012 ◽  
Vol 21 (5) ◽  
pp. 1114-1126 ◽  
Author(s):  
Jose L. Cruz-Campa ◽  
Gregory N. Nielson ◽  
Paul J. Resnick ◽  
Murat Okandan ◽  
Ralph Young ◽  
...  
Keyword(s):  
Solar Cell ◽  
Performance Optimization ◽  
Cell Performance ◽  
Solar Cell Performance

Effects of Structural Properties of νc-Si:H Absorber Layers on Solar Cell Performance

2000 ◽  
Vol 609 ◽  
Author(s):  
O. Vetterl ◽  
R. Carius ◽  
L. Houben ◽  
C. Scholten ◽  
M. Luysberg ◽  
...  
Keyword(s):  
Solar Cell ◽  
Conversion Efficiency ◽  
High Efficiency ◽  
Volume Fraction ◽  
Small Diameter ◽  
Cell Performance ◽  
Solar Cell Performance ◽  
Preparation Conditions ◽  
Growth Regime ◽  
Carrier Extraction

ABSTRACTThin film microcrystalline silicon solar cells with absorber layers of various structural composition have been prepared. The highest conversion efficiency is observed at preparation conditions close to the transition to the amorphous growth regime, i.e. crystalline volume fraction is high but not at its maximum. The optimized material consists of crystalline “fibers” with small diameter which extend through the whole absorber layer. On further approach to the transition regime a set in of amorphous growth can be observed, resulting in decreasing solar cell performance. Surprisingly, material prepared under conditions favoring highly crystalline growth exhibits a less efficient carrier extraction if applied to the solar cell. We discuss increasing bulk recombination as possible cause for this observation. The maximum conversion efficiency obtained was 8.7 % for a 1 νm single junction solar cell. Using our optimized deposition conditions with simultaneously higher discharge powers the deposition rate can be increased up to 4.6 Å/s at the high efficiency of 8.3 %.

Nondestructive Investigation of Heterojunction Interfacial Properties Using Two-Wavelength Raman Spectroscopy on Thin-Film CdS/CdTe Solar Cells

2016 ◽  
Vol 70 (9) ◽  
pp. 1555-1560 ◽  
Author(s):  
Guanggen Zeng ◽  
Paul Harrison ◽  
Ali Kidman ◽  
Alaa Al-mebir ◽  
Lianghuan Feng ◽  
...  
Keyword(s):  
Raman Spectroscopy ◽  
Solar Cells ◽  
Solar Cell ◽  
Strain Relaxation ◽  
Interfacial Properties ◽  
Cell Performance ◽  
Window Layer ◽  
Crystalline Quality ◽  
Misfit Dislocations ◽  
Solar Cell Performance

Raman spectra specific to CdS and CdTe were obtained on the CdS/CdTe heterojunction interface by employing two excitation wavelengths of λ1 = 488 nm and λ2 = 633 nm, respectively, from the glass side of Glass/FTO/CdS/CdTe/HgTe:Cu:graphite/Ag solar cells fabricated using pulsed-laser deposition (PLD). This two-wavelength Raman spectroscopy approach, with one wavelength selected below the absorption edge of the window layer (λ2 in this case), allows nondestructive characterization of the CdS/CdTe heterojunction and therefore correlation of the interfacial properties with the solar cell performance. In this study, the evolution of the interfacial strain relaxation during cell fabrication process was found to be affected not only by the inter-diffusion of S and Te corresponding to the formation of CdS xTe 1–x ternary alloy with a various x from ∼0.01 to ∼0.067, but also by the variation in misfit dislocations (MDs) at CdS/CdTe interface from Raman TO/LO ratio ∼2.85 for as-deposited sample to TO/LO ∼4.44 for the cells post treatment. This is consistent with the change of the Urbach energy from 0.03 eV to 0.09 eV, indicative of the deterioration of crystalline quality of CdTe at interface although improved CdTe crystalline quality was observed away from the interface after the CdCl2 annealing. This difference crucially impacted on the rectification characteristics of the CdS/CdTe heterojunction and therefore the solar cell performance.

Ca-doped CuS/graphene sheet nanocomposite as a highly catalytic counter electrode for improving quantum dot-sensitized solar cell performance

RSC Advances ◽  
2016 ◽  
Vol 6 (13) ◽  
pp. 10880-10886 ◽  
Author(s):  
Seyede Sara Khalili ◽  
Hossein Dehghani
Keyword(s):  
Solar Cell ◽  
Quantum Dot ◽  
Energy Conversion ◽  
Graphene Sheet ◽  
Conversion Efficiency ◽  
Counter Electrode ◽  
Energy Conversion Efficiency ◽  
Cell Performance ◽  
Solar Cell Performance

In this study, the highest energy conversion efficiency is obtained by Ca- CuS/GS CE, corresponding to efficiency increment (70%) compared to the CuS bare CE.

Enhancing perovskite solar cell performance and stability by doping barium in methylammonium lead halide

2017 ◽  
Vol 5 (34) ◽  
pp. 18044-18052 ◽  
Author(s):  
Shun-Hsiang Chan ◽  
Ming-Chung Wu ◽  
Kun-Mu Lee ◽  
Wei-Cheng Chen ◽  
Tzu-Hao Lin ◽  
...  
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Power Conversion ◽  
Perovskite Solar Cells ◽  
Perovskite Solar Cell ◽  
Cell Performance ◽  
Solar Cell Performance ◽  
Lead Halide

The power conversion efficiency of perovskite solar cells can be enhanced by using Ba2+-doped perovskite films.

scholarly journals Optimization of Titanium Dioxide Nanoparticles in Mesoporous Electron Transport Layer Perovskite Solar Cell

2020 ◽  
Vol 20 (1) ◽  
pp. 23
Author(s):  
Deborah Augustine ◽  
Erlyta Septa Rosa ◽  
Niki Prastomo ◽  
Shobih Shobih
Keyword(s):  
Solar Cell ◽  
Electron Transport ◽  
Titanium Dioxide Nanoparticles ◽  
Perovskite Solar Cell ◽  
Cell Performance ◽  
Transport Layer ◽  
Electrical Performance ◽  
Electron Transport Layer ◽  
Solar Cell Performance ◽  
Vis Spectroscopy

Research about mesoporous TiO2 as an electron transport layer in perovskite solar cell has been done to obtain the best fabricated cell’s performance. In this research, the concentrations of opaque and transparent TiO2 nanoparticle were varied, in order to optimize the TiO2 mesoporous electron transport layer in FTO/CL-TiO2/MS-TiO2/Perovskite/P3HT/Ag perovskite-based solar cell. Morphological, optical, and electrical characteristics of TiO2 layers were investigated using scanning electron microscopy (SEM), four-point probe (FPP), and UV-Vis spectroscopy. The influences of those characteristics in solar cell performance were analyzed by using illumination of sun simulator with a light intensity of 500 W/m2. The results showed that transparent TiO2 has a higher conductivity and transmittance compared to the opaque TiO2. The concentration of TiO2 solutionin1:17 ratio resulted in higher electrical performance in both the transparent and opaque TiO2 layer. The best perovskite solar cell performance with PCE of 0.37% was achieved from the sample using TiO2 transparent layer with a concentration of 1:7 ratio.

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