solar cell 2019


COMPARATIVE STUDY OF A PIN HOMOJUNCTION A-Si: H SOLAR CELL
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Hydrogenated amorphous silicon (a-Si: H will be abbreviated as a-Si) thin films are currently used in solar cells and numerous electronic devices. In particular, amorphous silicon (a-Si) has been favored for its better characteristics compared to crystalline silicon and polysilicon In this manuscript, a model for approximating the electrical power efficiency of the solar cells in relation with the air mass effect has been presented based on simple physical assumptions and in accordance with the solar radiation distribution. The model has been

Thermal artefacts in two-photon solar cell experiments
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Asahi et al. recently reported 1 record increases ( EQE) in the external quantum efficiency (EQE) of a heterojunction solar cell when it is illuminated with below-bandgap energy light. The EQE is the ratio of photocurrent electron flux to incident photon flux at zero bias. This Silver nanoparticles (AgNPs) with well-distributed sizes were prepared by magnetron sputtering on slides and crystalline silicon (c-Si) solar cell following by annealing at different temperatures. The morphologies, optical and photovoltaic performance were investigated in The use of solar cells as a renewable alternative to energy generation is one of the most controversial topics nowadays. The goal of these photovoltaic devices is to meet worldwide energy demand which is mainly supplied by fossil fuels; however, materials and

Studies on the Performance of a GaInP/GaAs Tandem Solar Cell at Elevated Temperatures
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In this paper theoretical studies have been performed on a multijunction GaInP/GaAs based tandem solar cell . The top GaInP cell and the bottom GaAs cell were investigated separately. At an operating temperature of 300K, the current matching condition is fulfilled when the top

SYNTHESIS AND CHARACTERIZATION OF CdO1-x ZnOx FOR SOLAR CELL APPLICATIONS.
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Solar cells applications used widely by Transport conducing Oxide (TCO). Cadmium Oxide (CdO) and Zinc oxide (ZnO) have higher degree of clearance in the observable area of the electromagnetic spectrum; they showed n-type conductivity because of Oxygen vacancies

SYNTHESIS AND CHARACTERIZATION OF GRAPHENE: ITS ELECTRICAL PROPERTIES FOR APPLICATION IN SOLAR CELL
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The development of clean and renewable energy is vital to meet ever-increasing global energy demands arising from rapid economic expansion and increasing world population, while minimizing fossil-fuel depletion, pollution, and global warming (Doung, 2002). The

Effect of CZTS Parameters on Photovoltaic Solar Cell from Numerical Simulation
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In the present work, we have simulated the structure i-ZnO/n-CdS/p-CZTS/Mo based on copper-zinc-tin-sulphur (CZTS). CZTS has become a candidate material for new photovoltaic solar cell because of its excellent properties. We have used solar cell

Parameter determination of a solar cell model using differential evolution algorithm
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This paper deals with determination of a double diode model parameters using the differential evolution algorithm. The importance of this method is the implementation of ohmic and shadow losses. Performance of the proposed approach shows high potential as

SOLAR CELL BASED ON NATURAL DYE
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Natural Dye Sensitized Solar Cells NDSSC are a promising class of photovoltaic cells with the capability of generating green energy at low production cost since no vacuum systems or expensive equipment are required in their fabrication. Natural dyes are also abundant, safe

Bulk Heterojunction Solar Cell
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succeeded for the first time in isolating C84. 1 After C60 and C70, C84 was found to be the third most abundant fullerene. Of all formed fullerenes in the graphite arc process2 only 3 to 4% per weight consists of fullerenes other than C60 or C70

PROSPECTIVE OF SOLAR CELL AS RENEWABLE ENERGY SOURCE
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The worlds fossil fuel resources are unable to sustain our current energy requirements beyond the next few decades and so the need for inexpensive alternatives is now urgent. Organic devices are well placed to meet the needs of both the electronics and energy

Study of Interface Layer and Fabrication of Perovskite Solar Cell (PSC)
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Perovskite solar cells (PSC) based on organometal halide light absorbers are considered as a promising photovoltaic technology due to their high power conversion efficiency (PCE) along with very low material cost. Since the first report on a long-term durable solid-state

DESIGN AND ANALYSIS OF DYE SENSITIZED SOLAR CELL USING ETHANOL
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Renewable energy is rapidly gaining importance as an energy resource to help aid the national energy depletion crisis of fossil fuel and coal. The search for low-cost, high efficient and flexible devices has led to a remarkable increase in the research and development of

rGO-SWCNT hybrid for counter electrode in dye sensitized solar cell
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Towards platinum free counter electrode in dye sensitized solar cells, some carbon-based materials like carbon nanotubes and graphene are fully utilized due to their extraordinary properties such as high aspect ratio and conductivity. In this paper, single-walled carbon

TiO2 Microstructures Synthesized Via Solgel Process for Dye-Sensitized Solar Cell Applications
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The titania (TiO2) was synthesized by means of sol-gel process and the synthesized TiO2 is coated on quartz substrates by using spin coating technique, the aqueous solution of titanium tetra isopropoxide is used as a precursor. X-ray diffraction and FESEM techniques

Physicochemical Properties Study of Hydrothermally Synthesized Flower-Like Rutile TiO2 Nanostructures for Solar Cell Application
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Hydrothermally synthesized flower-like titanium dioxide (TiO2) nanostructure was characterized using various techniques in order to study their physicochemical properties. Raman spectrum and x-ray diffraction (XRD) pattern show that the phase structure of

Remazol Orange Dye Sensitized Solar Cell using Graphene Oxide and reduced Graphene Oxide Working Electrode
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Dye Sensitized Solar Cell (DSSC) is said as a potential solar device which offers easy, cheaper and greener materials and preparation process. However, the efficiency of this device is still an ultimate problem and challenge. In this paper, an organic Remazol orange

Correlative AFM-FLIM Measurements in Living Cells, Tissues and in Solar Cell Materials
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Henry J. Lessen1, Patrick Fleming1, Karen G. Fleming1, Alexander J. Sodt2. 1T. C. Jenkins Dept. of Biophysics, Johns Hopkins Univ, Baltimore, MD, USA, 2NICHD NIH, Bethesda, MD, USA. Bacteria must resist an onslaught of mechanical stresses originating from the native





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