Exploring hydrothermal temperature variations in MoS2 structure synthesis for enhanced structural and electrochemical properties in hydrogen evolution reaction

作者：Fazli Subhan, Muhammad Asghar Shahzad, Bashir Ahmad, Majid Khan, Gulzar Khan · 发表于：Next Materials · 年份：2025 · DOI：10.1016/j.nxmate.2025.100910 · 被引用次数：4 · 研究领域：Electrocatalysts for Energy Conversion、Fuel Cells and Related Materials、Machine Learning in Materials Science

The hexagonal structured of Molybdenum disulfide (MoS₂) material demonstrates potential for energy storage and catalysis applications because of its distinctive layered structure and electrochemical properties. The synthesized MoS₂ using hydrothermal methods at varying temperatures before completing a thorough characterization of its structural and electrochemical properties. The X-ray diffraction (XRD) analysis verified that the synthesized MoS₂ existed in a crystalline state. The XRD data matched the reference pattern from JCPDS database (No. 00–037–1492) which validated the successful production of hexagonal MoS₂. The hexagonal structure of MoS₂ consists of alternating molybdenum and sulfur atom layers which delivers intrinsic benefits including extensive surface area and adjustable electronic characteristics along with wide interlayer gaps. The electrochemical properties of materials depend heavily on their crystalline structure which requires essential confirmation. The cyclic voltammetry analysis of synthesized MoS₂ showed a characteristic "flag pattern" which demonstrated reversible electrochemical charge and discharge behavior. The MoS₂ sample synthesized at 220 °C exhibited the best performance among the synthesized materials at different temperatures. The specific capacitance reached 8.70 × 10⁻² F/g in this sample which demonstrated improved energy storage capabilities. The optimized morphology and crystallinity achieved at this synthesis temperature allows efficien...