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[IEEE 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC) - Chicago, IL, USA (2019.6.16-2019.6.21)] 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC) - Doping of CdTe using CuCl <sub/>2</sub> Solution for Highly Efficient Photovoltaic Devices
摘要： Here, we report doping of cadmium telluride (CdTe) thin film solar cells using copper (II) chloride (CuCl2) solution in deionized water. The CdTe thin films were immersed in 0.1 mmol CuCl2 solution in water and annealed in the temperature range of 180 – 240 ℃ for various time durations. The devices were completed using thermally evaporated gold (Au) and measured under simulated AM1.5G spectrum. The average device efficiency of CuCl2 treated CdTe devices increased to 13.7 % (best cell reaching 14.0%) with significant improvement on open-circuit voltage (VOC) as compared with 12.4% (best cell 12.7%) for thermally evaporated Cu doped CdTe devices. For CuCl2 treated CdTe devices, we found higher photoluminescence (PL) intensity and longer carrier life time at room temperature indicating solution based doping offers better control of Cu doping density as compared with evaporated Cu.
关键词： doping,CdTe,thin films,CuCl2,solar cells
更新于2025-09-23 15:21:01
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Removal of Orange-G and Alizarin Red S from Aqueous Solution by CuCl2 Doped Polyaniline Composite Assisted by UV light
摘要： This work describes the adsorption of Orange-G and Alizarin Red S, from aqueous solutions onto 8 % PANI-CuCl2 adsorbent. Adsorption studies were performed by UV light irradiated batch experiments as a function of process parameters such as contact time, initial dye concentration, dosage of adsorbent and initial pH. Temperature was varied to investigate its effect on the adsorption capacity. Equilibrium adsorption isotherms were measured and the experimental data were analyzed by using Langumuir equation. Pseudo-second-order kinetic model was found to correlate with the experimental data well. The experimental data obtained in the present study indicates that CuCl2 doped with polyaniline can be attractive options for removal of dye from waste water.
关键词： Orange-G,PANI-CuCl2,Adsorption,Alizarin Red S
更新于2025-09-09 09:28:46