Highly fluorescent nitrogen-doped carbon dots with excellent thermal and photo stability applied as invisible ink for loading important information and anti-counterfeiting
High quantum yields (QY) and stable performances are prerequisites for implementing carbon dots in practical applications. In this study, we demonstrate that nitrogen-doped carbon dots (N-CDs), which were prepared via the hydrothermal treatment of citric acid (CA) and tris(hydroxymethyl)methyl amino...
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| Veröffentlicht in: | Nanoscale 2017-01, Vol.9 (2), p.491-496 |
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| container_title | Nanoscale |
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| creator | Liu, Yingbo Zhou, Liang Li, Yanan Deng, Ruiping Zhang, Hongjie |
| description | High quantum yields (QY) and stable performances are prerequisites for implementing carbon dots in practical applications. In this study, we demonstrate that nitrogen-doped carbon dots (N-CDs), which were prepared via the hydrothermal treatment of citric acid (CA) and tris(hydroxymethyl)methyl aminomethane (Tris), have a high QY of 75%, together with excellent thermal and photo stability. These N-CDs deliver an excellent thermal stability performance over the temperature range of 25 °C to 95 °C, and even at a heating temperature of 90 °C for 360 min. Upon exposure to UV illumination with a radiant intensity of 20 mW cm
, 96% fluorescence intensity is retained. This florescence stability performance is probably due to the chemical composition and steric effect of the nitrogen-doping agent. Furthermore, the remarkable optical properties of these N-CDs allow them to be used as invisible ink for loading important information and advanced anti-counterfeiting. |
| doi_str_mv | 10.1039/c6nr07123f |
| format | Article |
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, 96% fluorescence intensity is retained. This florescence stability performance is probably due to the chemical composition and steric effect of the nitrogen-doping agent. Furthermore, the remarkable optical properties of these N-CDs allow them to be used as invisible ink for loading important information and advanced anti-counterfeiting.</description><identifier>ISSN: 2040-3364</identifier><identifier>EISSN: 2040-3372</identifier><identifier>DOI: 10.1039/c6nr07123f</identifier><identifier>PMID: 27905619</identifier><language>eng</language><publisher>England</publisher><subject>Carbon ; Citric acid ; Fluorescence ; Illumination ; Nanoparticles ; Optical properties ; Stability ; Steric effects</subject><ispartof>Nanoscale, 2017-01, Vol.9 (2), p.491-496</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c320t-9d54d3d9a11f9bd8ddfaa1e5a6ebd12def385130077a28abfc723b77199c6c663</citedby><cites>FETCH-LOGICAL-c320t-9d54d3d9a11f9bd8ddfaa1e5a6ebd12def385130077a28abfc723b77199c6c663</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27905619$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Liu, Yingbo</creatorcontrib><creatorcontrib>Zhou, Liang</creatorcontrib><creatorcontrib>Li, Yanan</creatorcontrib><creatorcontrib>Deng, Ruiping</creatorcontrib><creatorcontrib>Zhang, Hongjie</creatorcontrib><title>Highly fluorescent nitrogen-doped carbon dots with excellent thermal and photo stability applied as invisible ink for loading important information and anti-counterfeiting</title><title>Nanoscale</title><addtitle>Nanoscale</addtitle><description>High quantum yields (QY) and stable performances are prerequisites for implementing carbon dots in practical applications. In this study, we demonstrate that nitrogen-doped carbon dots (N-CDs), which were prepared via the hydrothermal treatment of citric acid (CA) and tris(hydroxymethyl)methyl aminomethane (Tris), have a high QY of 75%, together with excellent thermal and photo stability. These N-CDs deliver an excellent thermal stability performance over the temperature range of 25 °C to 95 °C, and even at a heating temperature of 90 °C for 360 min. Upon exposure to UV illumination with a radiant intensity of 20 mW cm
, 96% fluorescence intensity is retained. This florescence stability performance is probably due to the chemical composition and steric effect of the nitrogen-doping agent. Furthermore, the remarkable optical properties of these N-CDs allow them to be used as invisible ink for loading important information and advanced anti-counterfeiting.</description><subject>Carbon</subject><subject>Citric acid</subject><subject>Fluorescence</subject><subject>Illumination</subject><subject>Nanoparticles</subject><subject>Optical properties</subject><subject>Stability</subject><subject>Steric effects</subject><issn>2040-3364</issn><issn>2040-3372</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqNkc1uFDEQhC0EIiFw4QGQjwhpiH9m7PURrRKCFBEJwXnksdu7Bo892B5gnykviZeEnHPqUunrarUKodeUvKeEq3MjYiaSMu6eoFNGetJxLtnTBy36E_SilO-ECMUFf45OmFRkEFSdotsrv9uHA3ZhTRmKgVhx9DWnHcTOpgUsNjpPKWKbasG_fd1j-GMghCNZ95BnHbCOFi_7VBMuVU8--HrAelmCb-u6YB9_-eKnAE39wC5lHJK2Pu6wn5eUq25RPjZ_1tW3U8e45vnOpDVWyA58bfRL9MzpUODV_TxD3y4vvm6vuuubj5-2H647wxmpnbJDb7lVmlKnJrux1mlNYdACJkuZBcc3A-WESKnZRk_OSMYnKalSRhgh-Bl6e5e75PRzhVLH2ZfjyzpCWstIN1IpRZiSj0D7gQ09E7Sh7-5Qk1MpGdy4ZD_rfBgpGY89jlvx-cu_Hi8b_OY-d51msA_o_-L4X6Gdndw</recordid><startdate>20170114</startdate><enddate>20170114</enddate><creator>Liu, Yingbo</creator><creator>Zhou, Liang</creator><creator>Li, Yanan</creator><creator>Deng, Ruiping</creator><creator>Zhang, Hongjie</creator><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20170114</creationdate><title>Highly fluorescent nitrogen-doped carbon dots with excellent thermal and photo stability applied as invisible ink for loading important information and anti-counterfeiting</title><author>Liu, Yingbo ; Zhou, Liang ; Li, Yanan ; Deng, Ruiping ; Zhang, Hongjie</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c320t-9d54d3d9a11f9bd8ddfaa1e5a6ebd12def385130077a28abfc723b77199c6c663</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Carbon</topic><topic>Citric acid</topic><topic>Fluorescence</topic><topic>Illumination</topic><topic>Nanoparticles</topic><topic>Optical properties</topic><topic>Stability</topic><topic>Steric effects</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Yingbo</creatorcontrib><creatorcontrib>Zhou, Liang</creatorcontrib><creatorcontrib>Li, Yanan</creatorcontrib><creatorcontrib>Deng, Ruiping</creatorcontrib><creatorcontrib>Zhang, Hongjie</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Nanoscale</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Yingbo</au><au>Zhou, Liang</au><au>Li, Yanan</au><au>Deng, Ruiping</au><au>Zhang, Hongjie</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Highly fluorescent nitrogen-doped carbon dots with excellent thermal and photo stability applied as invisible ink for loading important information and anti-counterfeiting</atitle><jtitle>Nanoscale</jtitle><addtitle>Nanoscale</addtitle><date>2017-01-14</date><risdate>2017</risdate><volume>9</volume><issue>2</issue><spage>491</spage><epage>496</epage><pages>491-496</pages><issn>2040-3364</issn><eissn>2040-3372</eissn><abstract>High quantum yields (QY) and stable performances are prerequisites for implementing carbon dots in practical applications. In this study, we demonstrate that nitrogen-doped carbon dots (N-CDs), which were prepared via the hydrothermal treatment of citric acid (CA) and tris(hydroxymethyl)methyl aminomethane (Tris), have a high QY of 75%, together with excellent thermal and photo stability. These N-CDs deliver an excellent thermal stability performance over the temperature range of 25 °C to 95 °C, and even at a heating temperature of 90 °C for 360 min. Upon exposure to UV illumination with a radiant intensity of 20 mW cm
, 96% fluorescence intensity is retained. This florescence stability performance is probably due to the chemical composition and steric effect of the nitrogen-doping agent. Furthermore, the remarkable optical properties of these N-CDs allow them to be used as invisible ink for loading important information and advanced anti-counterfeiting.</abstract><cop>England</cop><pmid>27905619</pmid><doi>10.1039/c6nr07123f</doi><tpages>6</tpages></addata></record> |
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| ispartof | Nanoscale, 2017-01, Vol.9 (2), p.491-496 |
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| language | eng |
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| source | Royal Society Of Chemistry Journals 2008- |
| subjects | Carbon Citric acid Fluorescence Illumination Nanoparticles Optical properties Stability Steric effects |
| title | Highly fluorescent nitrogen-doped carbon dots with excellent thermal and photo stability applied as invisible ink for loading important information and anti-counterfeiting |
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