Fluorescent color centers in laser ablated 4H-SiC nanoparticles
Nanostructured and bulk silicon carbide (SiC) has recently emerged as a novel platform for quantum nanophotonics due to its harboring of paramagnetic color centers, having immediate applications as a single photon source and spin optical probes. Here, using ultra-short pulsed laser ablation, we fabr...
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| Veröffentlicht in: | Optics letters 2017-04, Vol.42 (7), p.1297-1300 |
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| creator | Castelletto, S Almutairi, A F M Thalassinos, G Lohrmann, A Buividas, R Lau, D W M Reineck, P Juodkazis, S Ohshima, T Gibson, B C Johnson, B C |
| description | Nanostructured and bulk silicon carbide (SiC) has recently emerged as a novel platform for quantum nanophotonics due to its harboring of paramagnetic color centers, having immediate applications as a single photon source and spin optical probes. Here, using ultra-short pulsed laser ablation, we fabricated from electron irradiated bulk 4H-SiC, 40-50 nm diameter SiC nanoparticles, fluorescent at 850-950 nm. This photoluminescence is attributed to the silicon vacancy color centers. We demonstrate that the original silicon vacancy color centers from the target sample were retained in the final nanoparticles solution, exhibiting excellent colloidal stability in water over several months. Our work is relevant for quantum nanophotonics, magnetic sensing, and biomedical imaging applications. |
| doi_str_mv | 10.1364/OL.42.001297 |
| format | Article |
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Our work is relevant for quantum nanophotonics, magnetic sensing, and biomedical imaging applications.</description><subject>Ablation</subject><subject>Carbon Compounds, Inorganic - chemistry</subject><subject>Color</subject><subject>Color centers</subject><subject>Fluorescence</subject><subject>Lasers</subject><subject>Microscopy, Fluorescence - methods</subject><subject>Nanoparticles</subject><subject>Nanoparticles - chemistry</subject><subject>Nanostructure</subject><subject>Silicon</subject><subject>Silicon carbide</subject><subject>Silicon Compounds - chemistry</subject><subject>Vacancies</subject><issn>0146-9592</issn><issn>1539-4794</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkD1PwzAURS0EoqWwMaOMDKT4234TQhVQpEodgNlynBcpyE2KnQz8e1q1MDPdOxxdXR1CrhmdM6Hl_Xo1l3xOKeNgTsiUKQGlNCBPyZQyqUtQwCfkIudPSqk2QpyTCbdCc6PElDw8x7FPmAN2QxH62KdiXzHlou2K6DOmwlfRD1gXclm-tYui812_9WloQ8R8Sc4aHzNeHXNGPp6f3hfLcrV-eV08rsogtBlKCJVoeI2c1wGUCgAaKUqugHnOrW8qZThq0LW0qhKKaq-k1qYxFoHZWszI7WF3m_qvEfPgNu3udIy-w37MjlkQwCiA_AdqBbNUWrND7w5oSH3OCRu3Te3Gp2_HqNvbdeuVk9wd7O7wm-PyWG2w_oN_dYofULhytQ</recordid><startdate>20170401</startdate><enddate>20170401</enddate><creator>Castelletto, S</creator><creator>Almutairi, A F M</creator><creator>Thalassinos, G</creator><creator>Lohrmann, A</creator><creator>Buividas, R</creator><creator>Lau, D W M</creator><creator>Reineck, P</creator><creator>Juodkazis, S</creator><creator>Ohshima, T</creator><creator>Gibson, B C</creator><creator>Johnson, B C</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20170401</creationdate><title>Fluorescent color centers in laser ablated 4H-SiC nanoparticles</title><author>Castelletto, S ; 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Here, using ultra-short pulsed laser ablation, we fabricated from electron irradiated bulk 4H-SiC, 40-50 nm diameter SiC nanoparticles, fluorescent at 850-950 nm. This photoluminescence is attributed to the silicon vacancy color centers. We demonstrate that the original silicon vacancy color centers from the target sample were retained in the final nanoparticles solution, exhibiting excellent colloidal stability in water over several months. Our work is relevant for quantum nanophotonics, magnetic sensing, and biomedical imaging applications.</abstract><cop>United States</cop><pmid>28362753</pmid><doi>10.1364/OL.42.001297</doi><tpages>4</tpages></addata></record> |
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| identifier | ISSN: 0146-9592 |
| ispartof | Optics letters, 2017-04, Vol.42 (7), p.1297-1300 |
| issn | 0146-9592 1539-4794 |
| language | eng |
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| source | MEDLINE; Optica Publishing Group Journals |
| subjects | Ablation Carbon Compounds, Inorganic - chemistry Color Color centers Fluorescence Lasers Microscopy, Fluorescence - methods Nanoparticles Nanoparticles - chemistry Nanostructure Silicon Silicon carbide Silicon Compounds - chemistry Vacancies |
| title | Fluorescent color centers in laser ablated 4H-SiC nanoparticles |
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