Carbon coated TiO2 nanoparticles prepared by pulsed laser ablation in liquid, gaseous and supercritical CO2
We report on the synthesis of TiO2 nanoparticles using nanosecond pulse laser ablation of titanium in liquid, gaseous and supercritical CO2. The produced particles were observed to be mainly anatase-TiO2 with some rutile-TiO2. In addition, the particles were covered by a carbon layer. Raman and x-ra...
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| Veröffentlicht in: | Nanotechnology 2020, Vol.31 (8), p.085602-085602 |
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| container_issue | 8 |
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| container_title | Nanotechnology |
| container_volume | 31 |
| creator | Singh, Amandeep Salminen, Turkka Honkanen, Mari Nikkanen, Juha-Pekka Vuorinen, Tommi Kari, Risto Vihinen, Jorma Levänen, Erkki |
| description | We report on the synthesis of TiO2 nanoparticles using nanosecond pulse laser ablation of titanium in liquid, gaseous and supercritical CO2. The produced particles were observed to be mainly anatase-TiO2 with some rutile-TiO2. In addition, the particles were covered by a carbon layer. Raman and x-ray diffraction data suggested that the rutile content increases with CO2 pressure. The nanoparticle size decreased and size distribution became narrower with the increase in CO2 pressure and temperature, however the variation trend was different for CO2 pressure compared to temperature. Pulsed laser ablation in pressurized CO2 is demonstrated as a single step method for making anatase-TiO2/carbon nanoparticles throughout the pressure and temperature ranges 5-40 MPa and 30 °C-50 °C, respectively. |
| doi_str_mv | 10.1088/1361-6528/ab53ba |
| format | Article |
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The produced particles were observed to be mainly anatase-TiO2 with some rutile-TiO2. In addition, the particles were covered by a carbon layer. Raman and x-ray diffraction data suggested that the rutile content increases with CO2 pressure. The nanoparticle size decreased and size distribution became narrower with the increase in CO2 pressure and temperature, however the variation trend was different for CO2 pressure compared to temperature. Pulsed laser ablation in pressurized CO2 is demonstrated as a single step method for making anatase-TiO2/carbon nanoparticles throughout the pressure and temperature ranges 5-40 MPa and 30 °C-50 °C, respectively.</description><identifier>ISSN: 0957-4484</identifier><identifier>EISSN: 1361-6528</identifier><identifier>DOI: 10.1088/1361-6528/ab53ba</identifier><identifier>CODEN: NNOTER</identifier><language>eng</language><publisher>IOP Publishing</publisher><subject>anatase-TiO ; core-shell particles ; high pressure CO ; metastable phase ; nanoparticle size control ; pulsed laser ablation ; Raman XPS XRD ; supercritical fluids</subject><ispartof>Nanotechnology, 2020, Vol.31 (8), p.085602-085602</ispartof><rights>2019 IOP Publishing Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0002-4087-6096</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.1088/1361-6528/ab53ba/pdf$$EPDF$$P50$$Giop$$H</linktopdf><link.rule.ids>314,780,784,4023,27922,27923,27924,53845,53892</link.rule.ids></links><search><creatorcontrib>Singh, Amandeep</creatorcontrib><creatorcontrib>Salminen, Turkka</creatorcontrib><creatorcontrib>Honkanen, Mari</creatorcontrib><creatorcontrib>Nikkanen, Juha-Pekka</creatorcontrib><creatorcontrib>Vuorinen, Tommi</creatorcontrib><creatorcontrib>Kari, Risto</creatorcontrib><creatorcontrib>Vihinen, Jorma</creatorcontrib><creatorcontrib>Levänen, Erkki</creatorcontrib><title>Carbon coated TiO2 nanoparticles prepared by pulsed laser ablation in liquid, gaseous and supercritical CO2</title><title>Nanotechnology</title><addtitle>NANO</addtitle><addtitle>Nanotechnology</addtitle><description>We report on the synthesis of TiO2 nanoparticles using nanosecond pulse laser ablation of titanium in liquid, gaseous and supercritical CO2. 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Pulsed laser ablation in pressurized CO2 is demonstrated as a single step method for making anatase-TiO2/carbon nanoparticles throughout the pressure and temperature ranges 5-40 MPa and 30 °C-50 °C, respectively.</description><subject>anatase-TiO</subject><subject>core-shell particles</subject><subject>high pressure CO</subject><subject>metastable phase</subject><subject>nanoparticle size control</subject><subject>pulsed laser ablation</subject><subject>Raman XPS XRD</subject><subject>supercritical fluids</subject><issn>0957-4484</issn><issn>1361-6528</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNpVkDtPwzAUhS0EEqWwM3pkaMCPOHFGVPGSKnUps3Vj31QuJknjZODf46gIxHRf5x4dfYTccnbPmdYPXBY8K5TQD1ArWcMZWfyuzsmCVarM8lznl-QqxgNjnGvBF-RjDUPdtdR2MKKjO78VtIW262EYvQ0YaT9gGtKt_qL9FGLqAkQcKNQBRp9-fUuDP07ereg-XbopUmgdjVOPgx188oFA11txTS4aSAY3P3VJ3p-fduvXbLN9eVs_brK9qNSYNbosGcMCNM-1Y7rOBTRQoGKysqVuGidZiWBlrTjqnHGJjUPMrbO6QrRySe5Ovv3QHSeMo_n00WII0M7hjJCcF6oolUzS1Unqu94cumloUzDDmZmZmhmgmQGaE9M_53_ymZeR3GjDtCqYML1r5DdcIXmF</recordid><startdate>2020</startdate><enddate>2020</enddate><creator>Singh, Amandeep</creator><creator>Salminen, Turkka</creator><creator>Honkanen, Mari</creator><creator>Nikkanen, Juha-Pekka</creator><creator>Vuorinen, Tommi</creator><creator>Kari, Risto</creator><creator>Vihinen, Jorma</creator><creator>Levänen, Erkki</creator><general>IOP Publishing</general><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-4087-6096</orcidid></search><sort><creationdate>2020</creationdate><title>Carbon coated TiO2 nanoparticles prepared by pulsed laser ablation in liquid, gaseous and supercritical CO2</title><author>Singh, Amandeep ; Salminen, Turkka ; Honkanen, Mari ; Nikkanen, Juha-Pekka ; Vuorinen, Tommi ; Kari, Risto ; Vihinen, Jorma ; Levänen, Erkki</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-g295t-f87700e6a8148d08b42afa6e5039c78ffd307eac3b51e84013efdee4cdc89eec3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>anatase-TiO</topic><topic>core-shell particles</topic><topic>high pressure CO</topic><topic>metastable phase</topic><topic>nanoparticle size control</topic><topic>pulsed laser ablation</topic><topic>Raman XPS XRD</topic><topic>supercritical fluids</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Singh, Amandeep</creatorcontrib><creatorcontrib>Salminen, Turkka</creatorcontrib><creatorcontrib>Honkanen, Mari</creatorcontrib><creatorcontrib>Nikkanen, Juha-Pekka</creatorcontrib><creatorcontrib>Vuorinen, Tommi</creatorcontrib><creatorcontrib>Kari, Risto</creatorcontrib><creatorcontrib>Vihinen, Jorma</creatorcontrib><creatorcontrib>Levänen, Erkki</creatorcontrib><collection>MEDLINE - Academic</collection><jtitle>Nanotechnology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Singh, Amandeep</au><au>Salminen, Turkka</au><au>Honkanen, Mari</au><au>Nikkanen, Juha-Pekka</au><au>Vuorinen, Tommi</au><au>Kari, Risto</au><au>Vihinen, Jorma</au><au>Levänen, Erkki</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Carbon coated TiO2 nanoparticles prepared by pulsed laser ablation in liquid, gaseous and supercritical CO2</atitle><jtitle>Nanotechnology</jtitle><stitle>NANO</stitle><addtitle>Nanotechnology</addtitle><date>2020</date><risdate>2020</risdate><volume>31</volume><issue>8</issue><spage>085602</spage><epage>085602</epage><pages>085602-085602</pages><issn>0957-4484</issn><eissn>1361-6528</eissn><coden>NNOTER</coden><abstract>We report on the synthesis of TiO2 nanoparticles using nanosecond pulse laser ablation of titanium in liquid, gaseous and supercritical CO2. The produced particles were observed to be mainly anatase-TiO2 with some rutile-TiO2. In addition, the particles were covered by a carbon layer. Raman and x-ray diffraction data suggested that the rutile content increases with CO2 pressure. The nanoparticle size decreased and size distribution became narrower with the increase in CO2 pressure and temperature, however the variation trend was different for CO2 pressure compared to temperature. Pulsed laser ablation in pressurized CO2 is demonstrated as a single step method for making anatase-TiO2/carbon nanoparticles throughout the pressure and temperature ranges 5-40 MPa and 30 °C-50 °C, respectively.</abstract><pub>IOP Publishing</pub><doi>10.1088/1361-6528/ab53ba</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-4087-6096</orcidid></addata></record> |
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| ispartof | Nanotechnology, 2020, Vol.31 (8), p.085602-085602 |
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| language | eng |
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| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | anatase-TiO core-shell particles high pressure CO metastable phase nanoparticle size control pulsed laser ablation Raman XPS XRD supercritical fluids |
| title | Carbon coated TiO2 nanoparticles prepared by pulsed laser ablation in liquid, gaseous and supercritical CO2 |
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