Characterization of Cadmium Doped Zinc in Copper-Zinc-Tin-Sulphide Cu2znsns4 (CZTS) Absorber Material for Solar Energy Application
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Wurtzite copper-zinc-tin sulfide as a superior counter electrode material for dye-sensitized solar cells
Wurtzite and kesterite Cu2ZnSnS4 (CZTS) nanocrystals were employed as counter electrode (CE) materials for dye-sensitized solar cells (DSSCs). Compared to kesterite CZTS, the wurtzite CZTS exhibited higher electrocatalytic activity for catalyzing reduction of iodide electrolyte and better conductivity. Accordingly, the DSSC with wurtzite CZTS CE generated higher power conversion efficiency (6.8...
متن کاملCo-solvent enhanced zinc oxysulfide buffer layers in Kesterite copper zinc tin selenide solar cells.
A co-solvent, dimethylsulfoxide (DMSO), is added to the aqueous chemical "bath" deposition (CBD) process used to grow ZnOS buffer layers for thin film Cu2ZnSnSe4 (CZTSe) solar cells. Device performance improves markedly as fill factors increase from 0.17 to 0.51 upon the co-solvent addition. X-ray photoelectron spectroscopy (XPS) analyses are presented for quasi-in situ CZTSe/CBD-ZnOS interface...
متن کاملبررسی خواص ساختاری و اپتیکی لایه‌های نازک 4ZnSnS2Cu تهیه شده به روش سل- ژل چرخشی
In this study Cu2ZnSnS4 (CZTS) thin films were deposited by sol–gel spin coating on glass substrates and the effect of metal salts ratio, annealing treatment with and without sulfur vapor on structural, morphological and optical properties of CZTS films were investigated. Our results were showed that all CZTS thin films have kesterite structure. Moreover increasing of zinc concentration and d...
متن کاملPressure Effect of Seebeck Coefficient for Zinc Doped Tin Clathrates
We measured the temperature dependence of electrical resistance (R) and thermopower (S) of Cs8Zn4Sn42 under high pressure up to 1.2 GPa. Both R and |S| at room temperature increased with pressure. We observed gap widening, irreversible |S| increasing under high pressure, which were similar to the behaviors of Cs8Sn44. However, the relaxation effect of R for Cs8Zn4Sn42 was negligible in contrast...
متن کاملNumerical Simulation of Cu2ZnSnS4 Based Solar Cells with In2S3 Buffer Layers by SCAPS-1D
The performance of the Cu2ZnSnS4 based solar cell is investigated using a simulation program called Solar Cell Capacitance Simulator (SCAPS). The cell structure is based on Cu2ZnSnS4 (CZTS) compound semiconductor as the absorber layer, n-doped and un-doped (i) zinc oxide as the window layer, In2S3 as the buffer layer. We study the influence of the defect density, carrier density, thickness of t...
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ژورنال
عنوان ژورنال: The International Journal of Science & Technoledge
سال: 2019
ISSN: 2321-919X
DOI: 10.24940/theijst/2019/v7/i6/st1906-031