Single band luminescence of Bi3+ and the intensity modulation in potassium borosilicate glasses
Source abstract
Abstract
Two series of Bi-doped borosilicate glasses with compositions of different kinds and concentrations of alkali metal ions have been prepared by a melt-quenching menthod. Fluorescence spectra, lifetime, X-ray photoelectron spectroscopy (XPS) and fourier transform infrared (FTIR) spectra were done for optical characterization and structure analysis. The single band emission at around 400 nm under 290 nm and X-ray radiation were observed in the fluorescence spectras and the lifetime is 245 ns, which means the single band luminescence originated from of Bi 3+in the borosilicate glasses. XPS and FTIR spectra show that Bi 3+ does not convert to other valence state and the content of [BO 4] is the main factor affecting the luminescence of Bi 3+
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Glass properties and applications · Luminescence Properties of Advanced Materials · Radiation Detection and Scintillator Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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