Mr. Junming Huang Profile

Junming Huang

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Proceedings Article | 20 November 2024 Poster + Paper

Effect of Na element on bismuth active center in nanoporous glass

Weiquan Su, Dongchen Zhang, Junming Huang, Luyun Yang

Proceedings Volume 13244, 132440W (2024) https://doi.org/10.1117/12.3036448

KEYWORDS: Glasses, Bismuth, Sodium, Ions, Quartz, Luminescence, Porosity, Chemical elements, Electrons, Oxygen

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Bismuth has attracted much attention because of its broadband near-infrared luminescence and it has also exhibited great potentials in optical communication and system laser technology. Bismuth element exhibits excellent properties in Bismuth element exhibits excellent properties in porous glass based on phase separation technology glass based on phase separation technology. In this paper, we investigate the dependence of Bismuth Active Center (BAC) on Na element in nanoporous glass. Based on phase separation technology, we prepared Bi doped nanoporous glass with different acid leaching times. An increase in the number of acid leaching cycles can reduce the content of Na elements in the glass by 96 wt%, effectively enhancing the luminescence intensity of BAC-Si and BAC-Ge, and causing their peak to blue-shift. Na ions are more likely to capture the electrons of oxygen ions in the glass, thereby weakening the electron supply of oxygen ions to Bi ions. This article lays a solid foundation for the study of Bi-doped nanoporous glass.

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