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Simplistic development and characterization of S/Se based metal chalcogenides for energy applications : Development of S/Se based metal chalcogenides

机译:用于能源应用的基于S / Se的金属硫属化物的简单开发和表征:基于S / Se的金属硫属化物的开发

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Tellurium, sulfur and selenium elements are used to form the chalcogenide compounds by reaction of one or two of these elements with a metal. Such metal chalcogenides (e.g., PbS, CdS, SnS, SnSe and CuS etc.) are emerging as advanced energy materials owing to their efficient performance in various engineering applications including photocatalysis, solar cells, batteries and water splitting. In current study, S/Se based metal chalcogenide based compounds and composites (MCCs) were synthesized through facile fabrication techniques such as chemical bath deposition (CBD) and successive ion layer adsorption reaction (SILAR). We successfully, synthesized SnS, SnSe and CuS as well as their composites (e.g., SnSe/SnS), optimized the corresponding chemical recipes and characterized the compounds/composites using material characterization tools. Extensive field emission scanning electron microscopy (FE-SEM) coupled with energy dispersive spectroscopy (EDS) was used to reveal the morphology and the elemental composition respectively, while X-ray diffraction spectrometry, thermograviometery were employed to analyze the crystalline nature and thermal behavior of synthesized MCCs. All the MCCs were additionally characterized using particle size analysis. Furthermore, synthesized MCCs were employed to degrade the toxic organic dye and their appreciable performance was divulged in the light of mechanism of photocatalysis.
机译:碲,硫和硒元素用于通过这些元素中的一种或两种与金属的反应形成硫族化物化合物。这种金属硫族化物(例如,PbS,CdS,SnS,SnSe和CuS等)由于其在包括光催化,太阳能电池,电池和水分解在内的各种工程应用中的高效性能而成为先进的能源材料。在当前的研究中,通过诸如化学浴沉积(CBD)和连续离子层吸附反应(SILAR)的简便制造技术合成了基于S / Se的基于金属硫属化物的化合物和复合物(MCC)。我们成功地合成了SnS,SnSe和CuS及其复合物(例如SnSe / SnS),优化了相应的化学配方,并使用材料表征工具对化合物/复合物进行了表征。广泛的场发射扫描电子显微镜(FE-SEM)结合能量色散光谱(EDS)分别揭示了其形貌和元素组成,而X射线衍射光谱,热重分析技术则分析了该晶体的晶体性质和热行为。合成的MCC。所有MCC均使用粒度分析进行了表征。此外,合成的MCCs被用于降解有毒的有机染料,并根据光催化机理揭示了其可观的性能。

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