研究目的
Investigating the synthesis, crystal structure, and optical properties of the sulfide chloride oxide CsBa6V4S12ClO4, including its near-infrared fluorescence.
研究成果
The senary compound CsBa6V4S12ClO4 was successfully synthesized and characterized. Its unique crystal structure and optical properties, including near-infrared fluorescence, were investigated. The compound's deep-red color is attributed to a low-energy charge transfer, and its fluorescence properties suggest potential applications in optical materials.
研究不足
The study is limited by the complexity of the crystal structure and the challenges in distinguishing between Cl/S and Cs/Ba due to their similar X-ray diffraction patterns. The optical properties' theoretical description is complex due to the compound's unique anion lattice.
1：Experimental Design and Method Selection
Solid-state reaction under inert conditions to synthesize CsBa6V4S12ClO4. Single-crystal and powder X-ray diffraction for structural analysis. Optical absorption and photoluminescence measurements for optical characterization.
2：Sample Selection and Data Sources
Stoichiometric reagents including BaS, BaO, V, S, and CsCl were used. Single crystals and powders of CsBa6V4S12ClO4 were obtained.
3：List of Experimental Equipment and Materials
Glovebox (MBraun), alumina crucible, silica ampule, four-circle diffractometer Kappa Apex2 (Bruker), STOE STADI_P diffractometer, Nova NanoSEM 200 electron microscope, Cary 5000 UV–vis–NIR spectrophotometer (Agilent), FluoroLog 3 spectrofluorometer (Horiba Jobin Yvon).
4：Experimental Procedures and Operational Workflow
Reagents were combined in a glovebox, sealed in a silica ampule, and heated to 850 °C. The product was washed and characterized by X-ray diffraction, electron microscopy, and optical measurements.
5：Data Analysis Methods
X-ray diffraction data were analyzed using JANA2006 software. Optical data were analyzed using nonlinear Gaussian curve fitting.
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