Development of 2nd Generation Thin Film Photovoltaics Based on CZTS Absorber Layer and ZnS Window Layer

Maryam Tufail; Saad Saud Ali Shah; Zuhair Khan; Mujeeb Bin Ihsan

doi:10.4028/p-6z3a38

Paper Titles

Preparation Structural and Optical Analysis of Tungsten Sulphide (WS₂) Thin Film by DC-Sputtering
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Green Up-Conversion Luminescence in Yb/Er Co-Doped AlN Thin Film by RF Magnetron Sputtering
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Photoluminescence Study of Silver Nanoparticles Decorated on Multiwall Carbon Nanotubes (MWCNTs) by Spectroflourometer
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Diamond-Like Carbon Film Deposited via Electrochemical Route for Antireflection Applications in Photovoltaic
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Development of 2nd Generation Thin Film Photovoltaics Based on CZTS Absorber Layer and ZnS Window Layer
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Optimizing the Morphology, Structure and Optoelectronic Properties of Aluminum Doped Zinc Oxide Thin Films Developed via Wet Chemical Synthesis
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Highly Transparent N-Type TiO₂ Coatings for Self-Cleaning Glass Application
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DFT Calculations Using Quantum ESPRESSO for Optical and Electronic Properties of Si Crystal
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Light Absorbance of Natural Dye Extracted from Local Plants for Dye-Sensitized Solar Cell
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 928Development of 2nd Generation Thin Film...

Development of 2nd Generation Thin Film Photovoltaics Based on CZTS Absorber Layer and ZnS Window Layer

Abstract:

Among the second-generation solar cells, thin-film solar cells based on CIGS, CZTS and CdTe are well known due to their higher efficiencies, low cost and simple fabrication techniques. In this proposed work, we are committed to developing CZTS and ZnS thin films for second-generation thin-film photovoltaics. CZTS and ZnS have energy band gap of 1.4-1.5 eV and 3.6 eV, while their light absorption coefficients are 10⁴ cm^-1 and 3.3×10⁴ cm^-1 respectively. In thin film solar cells, absorber layer consists of photovoltaic material that should have optimal bandgap close to 1.34 eV. Moreover, a wide band gap window layer acts as p-n junction with absorber layer. In this work, we are reporting the synthesis of CZTS and ZnS thin films via wet chemistry route using spin coating method. Deposition of thin films on SLG substrate were carried out at specific process parameters such as spinning speed, concentration of precursors and annealing temperature to get the optimized thin film suitable for photovoltaic applications. Surface morphology and elemental compositional analysis investigated through SEM and EDX spectroscopy respectively. Electrical and optical properties were examined via Hall effect measurements and UV-VIS NIR spectrophotometry respectively. In addition micro-chemical and functional group analysis were conducted by FRIT spectroscopy. Keywords: Thin film PV, wet-chemistry, CZTS, ZnS

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Periodical:

Key Engineering Materials (Volume 928)

Pages:

177-182

DOI:

https://doi.org/10.4028/p-6z3a38

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Online since:

August 2022

Authors:

Maryam Tufail*, Saad Saud Ali Shah, Zuhair Khan, Mujeeb Bin Ihsan

Keywords:

CZTS, Thin Film PV, Wet-Chemistry, ZnS

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