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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Effect of carbon addition and TeO2 concentration on NIR luminescent characteristics of TeO2-doped soda-lime-silicate glasses
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Effect of carbon addition and TeO2 concentration on NIR luminescent characteristics of TeO2-doped soda-lime-silicate glasses

机译：碳添加量和TeO2浓度对掺TeO2的钠钙硅酸盐玻璃近红外发光特性的影响

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摘要

The effects of carbon addition and TeO2 concentration on the near-infrared (NIR) luminescent characteristics of Te-doped soda-lime-silicate glasses are investigated. Three absorption bands were detected in all glasses at around 330-380 nm, similar to 430 nm and similar to 630 nm, respectively. The last absorption band (similar to 630 nm) has been ascribed to (2)Pi g -> (2)Pi u transition of Te-2(-). The broad NIR luminescence centered at 1200 nm was detected under the excitation of 974 nm laser diode except for glasses of lower carbon addition. The NIR luminescence was found to be strongly affected by melting atmosphere and TeO2 concentration. It is considered that the absorption band, similar to 630 nm, is related strongly to the NIR luminescence of Te-doped soda-lime-silicate glasses. Consequently, it is suggested that the origin of NIR luminescence detected in Te-doped soda-lime-silicate glasses is likely to be caused by Te (2) over bar.
机译：研究了碳添加和TeO2浓度对掺Te钠钙硅酸盐玻璃的近红外（NIR）发光特性的影响。在所有玻璃中，在约330-380 nm处检测到三个吸收带，分别类似于430 nm和类似于630 nm。最后一个吸收带（类似于630 nm）归因于Te-2（-）的（2）Pi g->（2）Pi u跃迁。在974 nm激光二极管的激发下，检测到以1200 nm为中心的宽泛NIR发光，除了低碳玻璃。发现NIR发光受熔化气氛和TeO2浓度的强烈影响。认为类似于630nm的吸收带与掺Te的钠钙硅酸盐玻璃的NIR发光强烈相关。因此，建议在掺Te的钠钙硅酸盐玻璃中检测到的NIR发光的起源很可能是由Te（2）超过bar引起的。

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