Linling Tan, Shuo Wang, Gangjie Zhou, Tiefeng Xu, Changgui Lin. Tetratellurium Clusters Embeddedin Borate Glass Matrices for Broadband Near-Infrared Photoluminescence[J]. Laser & Optoelectronics Progress, 2022, 59(15): 1516005
- Laser & Optoelectronics Progress
- Vol. 59, Issue 15, 1516005 (2022)
Fig. 1. Structural units in borate glass. (a) Boroxane ring; (b) triborate ring; (c) bis-triborate ring; (d) diborate ring; (e) metaborate ring; (f) metaborate acid chain; (g) pyroborate dimer
Fig. 2. Luminescence properties and topological network structure of glass samples B-xC (x=0, 0.1, 0.5, 1, 3, 5) with different C content. (a) Emission spectrum pumped by 808 nm laser; (b) Raman spectrum; (c) 11B solid-state NMR spectrum; (d) 27Al solid-state NMR spectrum
Fig. 3. Absorption and luminescence properties of B-yAl (y=0, 5, 10, 15, 20, 25) samples with different Al2O3 contents. (a) Transmission spectrum; (b) excitation spectrum pumped by 910 nm laser; (c) emission spectrum pumped by 645 nm laser; (d) emission spectrum pumped by 808 nm laser
Fig. 4. Topological network structure of B-yAl (y=0, 5, 10, 15, 20, 25) samples with different Al2O3 contents. (a) 27Al solid-state NMR spectrum; (b) Raman spectrum; (c) evolution diagram of tellurium clusters
Fig. 5. Transmission characteristics, luminescence properties and network topology of glass samples with different TeO2 contents B-zTe (z=0, 0.05, 0.1, 0.5, 1, 3, 5). (a) Transmission spectrum; (b) NIR emission spectrum pumped by 808 nm laser; (c) Raman spectrum
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Table 1. Assignment of Raman bands for the borate glasses
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