Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 915, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2022.165458
Keywords
Rare earth doped; Nanowires; Photoluminescence; Si3N4
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Funding
- National Natural Science Foundation of China, China [11874174]
- Foundation of Liaoning Province Education Administration, China [LQ2020009]
- Introduction and Cultivation Plan of Youth Innovation Talents for Universities of Shandong Province, China
- Special Construction Project Fund for Shandong Province Taishan Scholars, China
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Si(3)N(4) nanowires doped with rare earth ions were successfully synthesized using plasma assisted direct nitridation method. The prepared nanowires were characterized and their properties were investigated. This study provides an effective strategy for doping large-size functional atoms in Si(3)N(4) nanowires.
Si(3)N(4 )nanowires doped with rare earth ions (such as Ce3+, Tb3+, Eu2+ and Eu3+) were synthesized by plasma assisted direct nitridation method using Si, rare earth oxides and N2 as raw materials. The prepared doped Si(3)N(4 )nanowires were characterized by XRD, EDS, XPS, SEM and TEM. The obtained single-crystal doped Si(3)N(4 )nanowires have uniform diameters of about 50-100 nm and lengths of more than 10 mu m. The photoluminescence (PL), PL decay curves as well as thermal quenching behaviors of doped Si3N3 nanowires were systematically investigated. This work provides an effective strategy for doping large-size functional atoms in Si(3)N(4 )nanowires. (C) 2022 Elsevier B.V. All rights reserved.
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