Khursheed Ahmad, Praveen Kumar, Rais Ahmad Khan, Dieudonne Tanue Nde, Waseem Raza
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引用次数: 0
摘要
在此，我们采用两步合成法合成了 MnO2/ZIF-8 复合材料。我们利用各种复杂的物理化学技术，如 X 射线衍射 (XRD)、扫描电子显微镜 (SEM)、X 射线光电子能谱 (XPS) 和能量色散 X 射线 (EDX) 光谱，对合成样品进行了表征。合成的 MnO2/ZIF-8 被用作制造染料敏化太阳能电池（DSSC）的对电极（CE）。对退火温度的影响进行了研究，结果表明，在 200 ℃ 时效率最高，达到 7.2%，开路电压（Voc）为 0.77 V。与铂（Pt）基 DSSC（7.4%）相比，7.2% 的效率是合理的。这项工作提出了构建无铂 CE 的建议，以开发具有合理效率性能的高性价比 DSSC。
Synthesis of MnO2/ZIF-8 for the construction of Pt-free counter electrode for dye-sensitized solar cell applications
Herein, we reported the synthesis of MnO2/ZIF-8 composite by employing two-step synthetic procedure. The synthesized samples have been characterized by utilizing various sophisticated physicochemical technique such as X-ray diffraction (XRD), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), and energy-dispersive X-ray (EDX) spectroscopy. The synthesized MnO2/ZIF-8 has been used as counter electrode (CE) for the fabrication of dye-sensitized solar cells (DSSCs). The effect of annealing temperature was studied, and the highest efficiency of 7.2% with a decent open-circuit voltage (Voc) of 0.77 V was achieved at 200 °C. The obtained efficiency of 7.2% is reasonable in comparison to the platinum (Pt)-based DSSCs (7.4%). This work proposed the construction of Pt-free CE for the development of cost-effective DSSCs with reasonable performance in terms of efficiency.
期刊介绍：
The Journal of Solid State Electrochemistry is devoted to all aspects of solid-state chemistry and solid-state physics in electrochemistry.
The Journal of Solid State Electrochemistry publishes papers on all aspects of electrochemistry of solid compounds, including experimental and theoretical, basic and applied work. It equally publishes papers on the thermodynamics and kinetics of electrochemical reactions if at least one actively participating phase is solid. Also of interest are articles on the transport of ions and electrons in solids whenever these processes are relevant to electrochemical reactions and on the use of solid-state electrochemical reactions in the analysis of solids and their surfaces.
The journal covers solid-state electrochemistry and focusses on the following fields: mechanisms of solid-state electrochemical reactions, semiconductor electrochemistry, electrochemical batteries, accumulators and fuel cells, electrochemical mineral leaching, galvanic metal plating, electrochemical potential memory devices, solid-state electrochemical sensors, ion and electron transport in solid materials and polymers, electrocatalysis, photoelectrochemistry, corrosion of solid materials, solid-state electroanalysis, electrochemical machining of materials, electrochromism and electrochromic devices, new electrochemical solid-state synthesis.
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