Synthesis, Structural, Morphological, and Optical Properties of Promising Lead-Free Double Perovskite Na2CuBiBr6: A Sustainable Material for Photovoltaic Applications

IF 3.9 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering B-advanced Functional Solid-state Materials Pub Date : 2024-09-26 DOI:10.1016/j.mseb.2024.117732

Ahmad Ayyaz , G. Murtaza , Ahmad Usman , Ali Akremi , Muhammad Younas , Haya Alhummiany , M. Irfan , M. Qasim Shah , Hisham S.M. Abd-Rabboh , Q. Mahmood , Sadia Sharif

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引用次数: 0

Abstract

This work primarily focuses on synthesizing and evaluating the structure, morphology, and optical features of double perovskite Na₂CuBiBr₆ for photovoltaic devices. In the present investigation, Na₂CuBiBr₆ is created by a solution-based antisolvent recrystallization approach. A comprehensive experimental investigation is conducted on the Na₂CuBiBr₆ double perovskite, encompassing its structural configuration, morphology, and optical features. X-ray diffraction analysis verifies the creation of Na₂CuBiBr₆ double perovskite and showcases its exceptional phase stability in the cubic phase. Scanning electron microscopy reveals the presence of multidirectional crystals of Na₂CuBiBr₆ crystals. The presence of polycrystalline cubic Na₂CuBiBr₆ is confirmed using transmission electron microscopy and electron diffraction investigation. In addition, energy-dispersive X-ray spectroscopy demonstrates the consistent distribution of elements within Na₂CuBiBr₆. UV–vis spectroscopy reveals a band gap of 1.37 eV. The optical characteristics demonstrate that Na₂CuBiBr₆ exhibits a greater absorbance level and a lower reflectivity level within the visible spectrum. The results of this study suggest that the Na₂CuBiBr₆ double perovskite, which is both lead-free and environmentally benign, has significant potential for applications in photovoltaic and thermoelectric devices.

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前景看好的无铅双包晶石 Na2CuBiBr6 的合成、结构、形态和光学特性：一种用于光伏应用的可持续材料

这项研究的主要重点是合成和评估用于光伏设备的双过氧化物 Na2CuBiBr6 的结构、形态和光学特征。在本研究中，Na2CuBiBr6 是通过基于溶液的反溶剂重结晶方法生成的。对 Na2CuBiBr6 双包晶石进行了全面的实验研究，包括其结构构造、形态和光学特征。X 射线衍射分析验证了 Na2CuBiBr6 双包晶的生成，并展示了其在立方相中的优异相稳定性。扫描电子显微镜显示了 Na2CuBiBr6 晶体的多向性。透射电子显微镜和电子衍射研究证实了多晶立方体 Na2CuBiBr6 的存在。此外，能量色散 X 射线光谱显示了 Na2CuBiBr6 中元素的一致分布。紫外-可见光谱显示其带隙为 1.37 eV。光学特性表明，在可见光谱中，Na2CuBiBr6 的吸收率较高，反射率较低。研究结果表明，Na2CuBiBr6 双包晶石既不含铅，又对环境无害，在光伏和热电设备中具有巨大的应用潜力。

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来源期刊

Materials Science and Engineering B-advanced Functional Solid-state Materials 工程技术-材料科学：综合

CiteScore

5.60

自引率

2.80%

发文量

481

审稿时长

3.5 months

期刊介绍： The journal provides an international medium for the publication of theoretical and experimental studies and reviews related to the electronic, electrochemical, ionic, magnetic, optical, and biosensing properties of solid state materials in bulk, thin film and particulate forms. Papers dealing with synthesis, processing, characterization, structure, physical properties and computational aspects of nano-crystalline, crystalline, amorphous and glassy forms of ceramics, semiconductors, layered insertion compounds, low-dimensional compounds and systems, fast-ion conductors, polymers and dielectrics are viewed as suitable for publication. Articles focused on nano-structured aspects of these advanced solid-state materials will also be considered suitable.