2022
DOI: 10.1002/nano.202200228
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Numerical prediction on the photovoltaic performance of CZTS‐based thin film solar cell

Abstract: This article presents an enormously effective Cu 2 ZnSnS 4 (CZTS)-based n-ZnS/p-CZTS/p + -WSe 2 thin film solar cell. The device has been studied by varying the thickness, doping concentration and defect density of each layer utilizing SCAPS-1D simulation software. The power conversion efficiency (PCE) for n-ZnS/p-CZTS single heterojunction is 14.06% with the J SC = 20.26 mA cm −2 , V OC = 0.88 V and FF = 78.59%, respectively. This PCE is elevated to 27.31% with the J SC = 33.72 mA cm −2 , V OC = 0.97 V and FF… Show more

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Cited by 15 publications
(7 citation statements)
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“…When the absorber layer is too thick, minority charge carriers have a shorter lifetime that reduces the J SC . [ 30 ] The open‐circuit voltage, V OC , is relatively constant at a value of 0.972 V. The fill factor scantly decreases from 87.39 to 86.34% with increasing thickness of the absorber from 0.4 to 1 μm due to the increase in series resistance. [ 31 ] All these fluctuations result in a minor decrease in PCE from 32.5 to 32.4% across the range.…”
Section: Resultsmentioning
confidence: 99%
“…When the absorber layer is too thick, minority charge carriers have a shorter lifetime that reduces the J SC . [ 30 ] The open‐circuit voltage, V OC , is relatively constant at a value of 0.972 V. The fill factor scantly decreases from 87.39 to 86.34% with increasing thickness of the absorber from 0.4 to 1 μm due to the increase in series resistance. [ 31 ] All these fluctuations result in a minor decrease in PCE from 32.5 to 32.4% across the range.…”
Section: Resultsmentioning
confidence: 99%
“…The carrier density was altered in the 10 15 −10 19 cm −3 range. The J SC is found to drop from the value of 38.95 to 32.746 mA cm −2 within limit of doping owing to the recombination losses which is enhanced at high carrier [34,35].…”
Section: Aggate 2 Absorber Layer Impacts On Pv Performancementioning
confidence: 93%
“…This makes Sb 2 X 3 thin films a more sustainable and resource‐efficient option for thin‐film photovoltaics. In addition, the melting points of Sb 2 X 3 thin film (Sb 2 Se 3 of 611 °C and Sb 2 S 3 of 550 °C) are significantly lower compared to the common CIGS (1,070 °C), [ 59 ] CdTe (1,041 °C), CZTS (990 °C), and Si (>1,400 °C). [ 53 ] This characteristic enables the sintering of Sb 2 X 3 thin films at relatively low temperatures of 300–400 °C to produce micron‐sized grains.…”
Section: Key Issues Of Sb2x3 Solar Cells Toward Commercializationmentioning
confidence: 99%