An experiment to measure the<i>I</i>-<i>V</i>characteristics of a silicon solar cell

Morgan, M.; Jakovidis, Greg; McLeod, I.M.

doi:10.1088/0031-9120/29/4/014

Cited by 26 publications

(14 citation statements)

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“…The degree of adhesion was qualitatively tested using a Scotch tape test, if the shedding area exceeds a certain proportion, it is considered that it will not pass the adhesion test [18]. The photo-conversion efficiency of CIGS solar cell was measured and calculated using the current-voltage (I-V) characteristics under standard AM 1.5 and 100 mW/cm 2 illumination at room temperature [19].…”

Section: Methodsmentioning

confidence: 99%

Effects of Bottom Layer Sputtering Pressures and Annealing Temperatures on the Microstructures, Electrical and Optical Properties of Mo Bilayer Films Deposited by RF/DC Magnetron Sputtering

2019

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Most of the molybdenum (Mo) bilayer films are deposited by direct current (DC) magnetron sputtering at the bottom and the top layer (DC/DC). However, the deposition of Mo bilayer film by radio frequency (RF) Mo bottom layer and DC Mo top layer magnetron sputtering has been less studied by researchers. In this paper, the bottom layer of Mo bilayer film was deposited by RF magnetron sputtering to maintain its good adhesion and high reflectance, and the top layer was deposited by DC magnetron sputtering to obtain good conductivity (RF/DC). Generally, the bottom layer sputtering pressure is relatively random, in this paper, the effects of the bottom layer RF sputtering pressures on the microstructures and properties of Mo bilayer films were first studied in detail. Next, in order to further improve their properties, the as-prepared Mo bilayer films at 0.4 Pa bottom layer RF sputtering pressure were annealed at different temperatures and then investigated. Specifically, Mo bilayer films were deposited on soda-lime glass substrates by RF/DC magnetron sputtering at different bottom layer RF sputtering pressures in the range of 0.4-1.2 Pa, the powers of bottom layer RF sputtering and top layer DC sputtering were 120 W and 100 W, respectively. Then, Mo bilayer films, prepared at a bottom layer sputtering pressure of 0.4 Pa and top layer sputtering pressure of 0.3 Pa, were annealed for 30 min at various temperatures in the range of 100-400 • C. The effects of bottom layer sputtering pressures and the annealing temperatures on the microstructures, electrical and optical properties of Mo bilayer films were clarified by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), atomic-force microscopy (AFM), and ultraviolet (UV)-visible spectra, respectively. It is shown that with decreasing bottom layer sputtering pressure from 1.2 to 0.4 Pa and increasing annealing temperature from 100 to 400 • C, the crystallinity, electrical and optical properties of Mo bilayer films were improved correspondingly. The optimized Mo bilayer film was prepared at the top layer sputtering pressure of 0.3 Pa, the bottom layer sputtering pressure of 0.4 Pa and the annealing temperature of 400 • C. The extremely low resistivity of 0.92 × 10 −5 Ω.cm was obtained. The photo-conversion efficiency of copper indium gallium selenium (CIGS) solar cell with the optimized Mo bilayer film as electrode was up to as high as 13.5%.

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Section: Methodsmentioning

confidence: 99%

Effects of Bottom Layer Sputtering Pressures and Annealing Temperatures on the Microstructures, Electrical and Optical Properties of Mo Bilayer Films Deposited by RF/DC Magnetron Sputtering

2019

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“…Figure 7 shows the -characteristics of samples A to D obtained under sun illumination. A lot of parameters relating to solar cell circuit could be extracted fromcurves such as sc , oc , sh , and [24][25][26]. sc represents the maximum current at short circuit circumstance and reflects the capability of generating current.…”

Section: Resultsmentioning

confidence: 99%

Optoelectric Properties of GaInP p-i-n Solar Cells with Different i-Layer Thicknesses

Lin

et al. 2015

International Journal of Photoenergy

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The optoelectric properties of GaInP p-i-n solar cells with different intrinsic layer (i-layer) thicknesses from 0.25 to 1 μm were studied. Both emission intensity and full width at half maximum features of the photoluminescence spectrum indicate that the optimum i-layer thickness would be between 0.5 and 0.75 μm. The integrated current results of photocurrent experiment also point out that the samples with 0.5 to 0.75 μm i-layer thicknesses have optimum value around 156 nA. Electroreflectance measurements reveal that the built-in electric field strength of the sample gradually deviates from the theoretical value larger when i-layer thickness of the sample is thicker than 0.75 μm.I-Vmeasurements also confirm crystal quality for whole samples by obtaining the information about short currents of photovoltaic performances. A series of experiments reflect that thicker i-layer structure would induce more defects generation lowering crystal quality.

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“…From the I-V and P-V curves, some basic parameters such as fill factor (FF) and electricity conversion efficiency ( can be determined for the BIPVT under different irradiances with different water flowrates by following some fundamental studies in the literature [49,50]. The Fill Factor (FF) is essentially an index of the BIPVT panel quality.…”

Section: Estimation Of Electricity Generationmentioning

confidence: 99%

Fabrication and laboratory-based performance testing of a building-integrated photovoltaic-thermal roofing panel

Chen

Yin

2016

Applied Energy

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A building integrated photovoltaic-thermal (BIPVT) multifunctional roofing panel has been developed in this study to harvest solar energy in the form of PV electricity as well as heat energy through the collection of warm water. As a key component of the multifunctional building envelope, an aluminum/high-density polyethylene (HDPE) functionally graded material (FGM) panel embedded with aluminum water tubes has been fabricated through the vibrationsedimentation approach. The FGM layer gradually transits material phases from well-conductive side (with aluminum dominated) to another highly insulated side (with HDPE). The heat in the PV cells can be easily transferred into the conductive side of the FGM and then collected by the water flow in the embedded tubes. Therefore, the operational temperature of the PV cells can be significantly lowered down, which recovers the PV efficiency at high temperatures. In this way, the developed BIPVT panel is able to efficiently harvest solar energy in the form of both PV electricity and heat. The performance of a prototype BIPVT panel has been evaluated in terms of its thermal efficiency via warm water collection and PV efficiency via the output electricity. The laboratory test results demonstrate that significant energy conversion efficiency improvement can be achieved for both electricity generation and heat collection by the presented BIPVT roofing system. Overall, the performance indicates a very promising prospective of the new BIPVT multifunctional roofing panel.

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An experiment to measure theI-Vcharacteristics of a silicon solar cell

Cited by 26 publications

References 1 publication

Effects of Bottom Layer Sputtering Pressures and Annealing Temperatures on the Microstructures, Electrical and Optical Properties of Mo Bilayer Films Deposited by RF/DC Magnetron Sputtering

Effects of Bottom Layer Sputtering Pressures and Annealing Temperatures on the Microstructures, Electrical and Optical Properties of Mo Bilayer Films Deposited by RF/DC Magnetron Sputtering

Optoelectric Properties of GaInP p-i-n Solar Cells with Different i-Layer Thicknesses

Fabrication and laboratory-based performance testing of a building-integrated photovoltaic-thermal roofing panel

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