期刊
OPTICS EXPRESS
卷 30, 期 10, 页码 16690-16698出版社
Optica Publishing Group
DOI: 10.1364/OE.456462
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类别
资金
- Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation,Changsha University of Science and Technology [2019XK2001, 2020XK2001]
- National Natural Science Foundation of China [51972105, 52072117, 61635001]
In this study, a new single-source chemical vapor deposition method was developed to grow high-quality single-crystalline erbium chloride silicate nanostructures, and a nanoscale thermometer based on their fluorescence was realized.
Single-crystalline erbium chloride silicates have attracted extensive attention due to their high gain compatibility and silicon compatible properties. Long-lived near-infrared fluorescence is critical for reducing a pump density threshold when erbium containing materials are used as active devices. Here we developed a single-source chemical vapor deposition (CVD) method to grow high-quality single-crystalline erbium chloride silicate nanostructures. The growth mechanism is found composing of two steps, where silicon source comes from the minor evaporation of silicon substrate. The prepared single-crystalline erbium chloride silicate nanowires own diameter of about 200 nm with few lattice defects, and the fluorescence lifetime reaches up to 7.4 ms. A nanoscale thermometer based on their visible band fluorescence is realized. (C) 2022 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
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