Synthesis, Characterization and Performance of Cu2SnSe3 for Solar Cell Application
<p><strong>Abstract<em> -</em> </strong>Cu<sub>2</sub>SnSe<sub>3</sub> (CTSe) powders were prepared by solvothermal (SR) and solid state reactions (SSR) using low cost starting materials. The crystal structure, morphology, UV-Vis absorbance, elec...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Academy Publishing Center
2017-12-01
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| Series: | Renewable Energy and Sustainable Development |
| Subjects: | |
| Online Access: | http://apc.aast.edu/ojs/index.php/RESD/article/view/178 |
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| Summary: | <p><strong>Abstract<em> -</em> </strong>Cu<sub>2</sub>SnSe<sub>3</sub> (CTSe) powders were prepared by solvothermal (SR) and solid state reactions (SSR) using low cost starting materials. The crystal structure, morphology, UV-Vis absorbance, electrochemical and solar energy properties were investigated using X-ray Diffraction (XRD), Field Emission Scanning Electron Microscopy (FESEM), Electrochemical Impedance Spectroscopy (EIS) and solar energy applications using I-V characteristics measurements. Also, the toxicity of elements like cadmium makes these materials lower applicable. A single cubic Cu<sub>2</sub>SnSe<sub>3</sub> was obtained for the two methods of preparations. The calculated crystallite size values for CTSe prepared by SR and SSR are 24.1 and 30.3 nm, respectively. UV-Vis. spectra for SR and SSR preparations showed maximum absorbencies at 240 nm with band gap values of 0.9 and 1.4 eV, respectively. The charge transfer resistances (R<sub>ct</sub>) were equal to 3.5 and 24 W for photoelectrochemical cells (PEC) and the calculated conductivities were equal to 3x10<sup>-2 </sup>and 2x10<sup>-2</sup> S.cm<sup>-1</sup> for samples that prepared by SR and SSR methods, respectively. A good photoelectrochemical cell (PCE) was accomplished power conversion efficiency per unit area of about 0.84 and 0.64 % for cells prepared by SR and SSR, respectively.</p> |
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| ISSN: | 2356-8518 2356-8569 |