Simulation study to find suitable dopants of CdS buffer layer for CZTS solar cell

Jhuma, Farjana Akter; Rashid, Mohammad Junaebur

doi:10.1007/s40094-019-00363-3

Cited by 34 publications

(14 citation statements)

References 28 publications

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“…The performance of proposed cell structure is found comparable with the standard solar cell structures (ZnO:Al/ZnO/CdS/CZTS/Mo) with CZTS as a harvesting layer (Jhuma et al 2019, Cantas et al 2018. These CZTS cells are conventionally fabricated using CdS, CdTe or CdZnS as the buffer layer which have toxic component, and it is expected to avoid the use of cadmium (Jhuma et al 2020). In the presented work ZnTe is investigated as the buffer layer, as ZnTe is cost effective, earth abundant and eco-friendly material.…”

Section: Introductionmentioning

confidence: 76%

Solution-processed CZTS thin films and its simulation study for solar cell applications with ZnTe as the buffer layer

Prakash

Meena

Saini

et al. 2022

Environ Sci Pollut Res

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The use of ZnTe as the buffer layer in the Cu 2 ZnSnS 4 (CZTS) based solar cells showed the improvement in overall e ciency. It may also reduce the overall cost of these cells as both the layers (absorbing and buffer) are having eco-friendly and earth abundant constitutes. The sol-gel spin coating method is used for the deposition of CZTS thin lms on the corning glass substrates. The X-ray diffraction studies showed the peaks corresponding to (112), ( 200), ( 220) and ( 312) planes which con rmed the formation of essential kesterite phase. The optical band gap of the deposited lms was found around 1.9 eV by UVvisible spectrophotometer. The optimum thickness of the absorber layer was investigated based on the performance of ZnO:Al/ZnO/ZnTe/CZTS/Mo cell structure by using AMPS-1D simulation tool, while the tool was moulded by the investigated data from the sol-gel deposited CZTS thin lms. The e ciency of solar cell was found to be increased till 22.64% with increment in the thickness of absorber buffer layer up to 2500 nm and beyond this it starts to decrease. In addition to this, it was also analysed that the current density is improved with operating temperature as it is one of the requirements in the high solar radiation areas where the temperature rise more than 50 C in summer.

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Section: Introductionmentioning

confidence: 76%

Solution-processed CZTS thin films and its simulation study for solar cell applications with ZnTe as the buffer layer

Prakash

Meena

Saini

et al. 2022

Environ Sci Pollut Res

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“…CZTS layer works as a p-type absorber layer. Most of the incident photons are absorbed by this layer to generate electron hole pair [27]. Next to the absorber layer is buffer layer where n-CdS is used in the conventional thin film solar cells.…”

Section: A Device Structurementioning

confidence: 99%

Numerical Simulation of an Improved CZTS/WS2 PV Cell by SCAPS 1-D

Akhir

Imam

2022

GUB JOURNAL OF SCIENCE AND ENGINEERING

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CZTS solar cells are promising among the third-generation solar cell. Because of its earth abundant materials and less toxicity CZTS solar cell can perform a sustainable role as an absorber layer. The optimization of a buffer layer is still a challenge and efficiency are still low than other thin film solar cells. In this study, WS2 buffer layer have been used to simulate the PV cell structure in SCAPS-1D simulation software. No research has been found where CZTS and WS2 is used together. We have achieved a maximum efficiency of η = 18.90 % at 300 K working temperature and other factors i.e., Voc, Jsc and FF are also promising. The highest certified efficiency of CZTS solar cell is nearly 12%. The simulation profile can be a guideline for fabricating the improved PV cell. GUB JOURNAL OF SCIENCE AND ENGINEERING, Vol 8, Dec 2021 P 41-48

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“…Molybdenum (Mo) was inserted as back-contact metal on glass substrate. The physical parameters of the materials CZTS, Zn(S, O), and ZnO:I used in the simulation are listed in Table 5, which are considered to be constant during the simulation under the illumination of the AM 1.5 standard spectrum and temperature fixed at 300 K. [49,50] The purpose of using Zn(S, O) as a buffer layer instead of CdS is to investigate the performances of an abundant and nontoxic solar cell. Mahbub et al found that the solar cell with ZnS buffer layer has the highest efficiency (efficiency ¼ 26.82%, FF ¼ 69.44%, J sc ¼ 53.312 mA cm À2 , and V oc ¼ 0.724 V) among all other considered buffer layers such as CdS, In 2 S 3 , and ZnSe.…”

Section: Simulation Partmentioning

confidence: 99%

A Nontoxic and Low‐Cost Solution‐Processed CZTS Absorber Layer for Solar Photovoltaic Applications: Solvent Effects on the Physical Properties

Mahboub

Hichou

Mansori

2022

Physica Status Solidi (a)

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Nowadays, the compound Cu 2 ZnSnS 4 (CZTS) semiconductor shows great ability to be considered as an alternative of the CIGS thin film in solar cells. Despite the excellent environment stability and the higher power coefficient efficiency which is around 22.6% represented by CIGS [1] and the new updated recorded efficiency (23.4%) according to the NREL site showed by CIGS solar cell, [2] its potentials are limited by scarcity of indium (In) and gallium (Ga), the relatively high cost of In, and also the toxicity issue represented by this element. To solve these issues, it is necessary to search nontoxic and element-abundant light absorber materials. CZTS quaternary semiconductor is constituted by Earth-abundant (Cu:50, Zn:75, Sn:2.2, S:260 ppm) and environmentally benign elements and also the CZTS properties match well with CIGS ones. In fact, the kesterite-based chalcogenide CZTS has a direct bandgap E g ¼ 1.5 eV, which promotes the bandgap of the absorbent layer for high efficiency, an absorption coefficient greater than 10 4 cm À1 , and is characterized by p-type conductivity, which make them ideal among all the secondgeneration thin-film solar cells. [3,4] Moreover, the simulation calculation proves that the CZTS solar cell has theoretical limit power conversion efficiency over 30%. [5,6] Meanwhile, the experimental efficiency of CZTS kept increasing from 6.7% in 2008 [7] to 11.1% in 2012. [8] Wang et al. achieved the highest photovoltaic conversion efficiency of CZTS(Se), which is 12.6%, by exploiting the hydrazine-based approach. [9] In addition to that, reasonable efficiency and great quality were observed for CZTS thin films deposited by many methods, such as sputtering deposition, [10] pulsed laser deposition, [11] and thermal evaporation. [12] However, these techniques require high temperature, high vacuum, and sophisticated tools that may have toxic chemical elements, which have an impact on the fabrication cost of CZTS thin films of a solar cell. To balance the cost and the solar efficiency, several studies tried to elaborate CZTS thin films with low cost and easily synthetic routes. [13][14][15] Among these methods, sol-gel spin coating represents many advantages such as being nonvacuum, facile, low cost, environmentally friendly, and also suitable for large-scale fabrication. It is well known that the properties of thin films prepared with spin coating depend on various parameters. Several articles reported the deposition of CZTS with spin coating and investigated the effect of layer thickness, [15,16] speed of coating, [17] preheating environment, [18] and annealing temperature, [19] on the structural, optical, and electrical properties of CZTS thin films. One of the most important parts of the elaboration of CZTS thin films with spin coating is solution preparation. However, in this step, the type of solvent used has a great impact on the reaction involved, by influencing its nucleation and growth process, which varied the composition and structure of CZTS thin films and controlled the optical and e...

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Simulation study to find suitable dopants of CdS buffer layer for CZTS solar cell

Cited by 34 publications

References 28 publications

Solution-processed CZTS thin films and its simulation study for solar cell applications with ZnTe as the buffer layer

Solution-processed CZTS thin films and its simulation study for solar cell applications with ZnTe as the buffer layer

Numerical Simulation of an Improved CZTS/WS2 PV Cell by SCAPS 1-D

A Nontoxic and Low‐Cost Solution‐Processed CZTS Absorber Layer for Solar Photovoltaic Applications: Solvent Effects on the Physical Properties

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