A DFT Based Screening of the Electronic, Structural, Transport, Thermodynamic, and Optical Features of Potassium-based K2InAsCl6 Double Perovskites for Renewable Energies

IF 1.5 4区 材料科学 Q3 Chemistry
Quratul Ain, Junaid Munir, Hudabia Murtaza, Abdullah S. Aldwayyan, Hamid M. Ghaithan, Abdullah Ahmed Ali Ahmed, Saif M. H. Qaid
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Abstract

Nowadays, double perovskite materials are playing an exceptional role in the field of optoelectronics, spintronics, and photovoltaics as they exhibit outstanding characteristics. In the present work, a comprehensive examination of the mechanical, electrical, optical, thermal, and structural characteristics of the K2InAsCl6 double perovskite complex is conducted by using the density functional theory via Wien2k software. The K2InAsCl6 exhibits structural, thermodynamic, and mechanical stability which is evaluated through several parameters. The K2InAsCl6 possess a direct band gap of 0.5 eV which is also endorsed by the total density of states (DOS). The K2InAsCl6 exhibits ductile character and longitudinal waves are found to be predominate over transverse waves. Furthermore, the optical analysis indicates that the material's intricate electrical configuration is suitable for significant optical activity across the visible spectrum. The versatility of K2InAsCl6 is well-proven by its robust thermal and mechanical properties. It exhibits excellent ZT value (0.92) at room temperature which confirms its potential for green energy applications.

基于 DFT 的用于可再生能源的钾基 K2InAsCl6 双包晶石的电子、结构、传输、热力学和光学特征筛选
双钙钛矿材料以其优异的性能在光电子学、自旋电子学、光伏学等领域发挥着重要的作用。本文利用密度泛函理论,通过Wien2k软件对K2InAsCl6双钙钛矿配合物的力学、电学、光学、热学和结构特性进行了全面的研究。K2InAsCl6表现出结构、热力学和机械稳定性,并通过几个参数进行了评价。K2InAsCl6具有0.5 eV的直接带隙,这也得到了总态密度(DOS)的证实。K2InAsCl6具有延展性,纵波多于横波。此外,光学分析表明,材料复杂的电结构适合在可见光谱上具有显著的光学活性。K2InAsCl6的通用性通过其强大的热性能和机械性能得到了很好的证明。它在室温下表现出优异的ZT值(0.92),这证实了它在绿色能源应用中的潜力。
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来源期刊
CiteScore
2.50
自引率
6.70%
发文量
121
审稿时长
1.9 months
期刊介绍: The journal Crystal Research and Technology is a pure online Journal (since 2012). Crystal Research and Technology is an international journal examining all aspects of research within experimental, industrial, and theoretical crystallography. The journal covers the relevant aspects of -crystal growth techniques and phenomena (including bulk growth, thin films) -modern crystalline materials (e.g. smart materials, nanocrystals, quasicrystals, liquid crystals) -industrial crystallisation -application of crystals in materials science, electronics, data storage, and optics -experimental, simulation and theoretical studies of the structural properties of crystals -crystallographic computing
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