Song Shiwen, Zhang Min
School of Physics and Astronomy, China West Normal University, Nanchong 637002, China.
Micromachines (Basel). 2024 Aug 29;15(9):1093. doi: 10.3390/mi15091093.
Bismuth-doped aluminosilicate glass has garnered significant attention due to its unique ultra-wide luminescence properties in the near-infrared (NIR) band. Enhancing the NIR luminescence of Bi-doped glass remains challenging. To achieve Bi-doped glass with more excellent luminescent properties, a series of Bi/Cr co-doped glasses were prepared, and the optical and structural properties of the samples were observed. The results indicate that low-concentration Cr doping broadens the luminescence range of Bi/Cr co-doped glass samples. The luminescence peak of Bi in the samples is at 1230 nm, while the peak of Cr is around 804 nm. The addition of an appropriate amount of BiO can enhance the NIR luminescence of Bi and Cr in the sample, realizing the energy conversion between Bi and Cr. Bi/Cr co-doped is a novel approach for achieving broadband NIR luminescence in glass materials.
铋掺杂铝硅酸盐玻璃因其在近红外（NIR）波段独特的超宽发光特性而备受关注。提高铋掺杂玻璃的近红外发光仍然具有挑战性。为了获得具有更优异发光性能的铋掺杂玻璃，制备了一系列铋/铬共掺杂玻璃，并对样品的光学和结构性能进行了观察。结果表明，低浓度铬掺杂拓宽了铋/铬共掺杂玻璃样品的发光范围。样品中铋的发光峰位于1230nm处，而铬的峰位于804nm左右。添加适量的BiO可以增强样品中铋和铬的近红外发光，实现铋和铬之间的能量转换。铋/铬共掺杂是在玻璃材料中实现宽带近红外发光的一种新方法。
