研究目的
Investigating the structural and optical properties of Pr3+-doped strontium–aluminum–bismuth–borate glasses for potential laser applications.
研究成果
The Pr3+-doped strontium–aluminum–bismuth–borate glasses exhibit promising optical properties for laser applications, with specific transitions showing high stimulated emission cross sections and branching ratios. The glasses' amorphous nature and structural properties were confirmed, and their potential for light-emitting materials was highlighted.
研究不足
The study is limited to the specific composition of Pr3+-doped strontium–aluminum–bismuth–borate glasses and their potential for laser applications. The effects of other dopants or glass compositions were not explored.
1：Experimental Design and Method Selection:
The glasses were prepared by the melt quenching technique. XRD, SEM, EDS, FTIR, and photoluminescence spectroscopy were used to analyze the structural and optical properties.
2：Sample Selection and Data Sources:
Pr3+-doped strontium–aluminum–bismuth–borate glasses with different concentrations of Pr3+ ions.
3：List of Experimental Equipment and Materials:
INEL C120 diffractometer, Carl Zeiss EV0-MA15 scanning electron microscope, Bruker Vertex-80 FTIR spectrophotometer, Jasco V-570 spectrophotometer, Jobin Yvon Fluorolog-3 spectrophotometer.
4：Experimental Procedures and Operational Workflow:
The glasses were melted at 1150°C, poured onto a preheated brass plate, and annealed at 350°C. The structural and optical properties were then analyzed using the aforementioned techniques.
5：Data Analysis Methods:
Judd–Ofelt theory was used to calculate the radiative properties from the absorption and emission spectra.
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