Highly stable localized surface plasmon resonance of Cu nanoparticles obtained oxygen plasma irradiation
Copper nanoparticles (CuNPs) possess strong localized surface plasmon resonance (LSPR) in visible light. However, CuNPs are not chemically stable in air, which has seriously hindered the applications based on the LSPR of CuNPs. We developed an artificial method to passivate CuNPs as Al naturally doe...
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| Veröffentlicht in: | Nanoscale 2024-05, Vol.16 (2), p.9748-9753 |
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| creator | Fang, Yingcui Xu, Bin Wang, Shuai Liu, Hongjun Wang, Jie Si, Mengting |
| description | Copper nanoparticles (CuNPs) possess strong localized surface plasmon resonance (LSPR) in visible light. However, CuNPs are not chemically stable in air, which has seriously hindered the applications based on the LSPR of CuNPs. We developed an artificial method to passivate CuNPs as Al naturally does in air, preventing the oxidation of CuNPs through swift oxidation of the surface atoms
via
oxygen plasma irradiation. A hemispheric core-shell structure of CuNPs uniformly covered by a dense CuO shell (CuNPs@d-CuO) was constructed. The 4 nm d-CuO shell can prevent CuNPs from further oxidation. As a result, the LSPR of the CuNPs is stable in air over 180 days.
A CuNPs@d-CuO core-shell structure with a ∼4 nm CuO layer was obtained by passivating CuNPs
via
highly active oxygen plasma irradiation. The LSPR is strong and stable in air over 180 days. |
| doi_str_mv | 10.1039/d3nr06277e |
| format | Article |
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via
oxygen plasma irradiation. A hemispheric core-shell structure of CuNPs uniformly covered by a dense CuO shell (CuNPs@d-CuO) was constructed. The 4 nm d-CuO shell can prevent CuNPs from further oxidation. As a result, the LSPR of the CuNPs is stable in air over 180 days.
A CuNPs@d-CuO core-shell structure with a ∼4 nm CuO layer was obtained by passivating CuNPs
via
highly active oxygen plasma irradiation. The LSPR is strong and stable in air over 180 days.</description><identifier>ISSN: 2040-3364</identifier><identifier>EISSN: 2040-3372</identifier><identifier>DOI: 10.1039/d3nr06277e</identifier><ispartof>Nanoscale, 2024-05, Vol.16 (2), p.9748-9753</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids></links><search><creatorcontrib>Fang, Yingcui</creatorcontrib><creatorcontrib>Xu, Bin</creatorcontrib><creatorcontrib>Wang, Shuai</creatorcontrib><creatorcontrib>Liu, Hongjun</creatorcontrib><creatorcontrib>Wang, Jie</creatorcontrib><creatorcontrib>Si, Mengting</creatorcontrib><title>Highly stable localized surface plasmon resonance of Cu nanoparticles obtained oxygen plasma irradiation</title><title>Nanoscale</title><description>Copper nanoparticles (CuNPs) possess strong localized surface plasmon resonance (LSPR) in visible light. However, CuNPs are not chemically stable in air, which has seriously hindered the applications based on the LSPR of CuNPs. We developed an artificial method to passivate CuNPs as Al naturally does in air, preventing the oxidation of CuNPs through swift oxidation of the surface atoms
via
oxygen plasma irradiation. A hemispheric core-shell structure of CuNPs uniformly covered by a dense CuO shell (CuNPs@d-CuO) was constructed. The 4 nm d-CuO shell can prevent CuNPs from further oxidation. As a result, the LSPR of the CuNPs is stable in air over 180 days.
A CuNPs@d-CuO core-shell structure with a ∼4 nm CuO layer was obtained by passivating CuNPs
via
highly active oxygen plasma irradiation. The LSPR is strong and stable in air over 180 days.</description><issn>2040-3364</issn><issn>2040-3372</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNqFjs0KgkAUhYco6HfTPrgvYI1OKK6l6AHay1XHnJhm5F6D7OkTilq2Oh_n8MERYh3KbShVuquUIxlHSaJHYhbJvQyUSqLxl-P9VMyZr1LGqYrVTDQnc2lsD9xhYTVYX6I1T10B36nGUkNrkW_eAWn2Dt3Q-BqyOwzsW6TOlFYz-KJD4wbNP_qLdm8LwRBhZbAz3i3FpEbLevXJhdgcD-fsFBCXeUvmhtTnv_vq3_4CnKRK_A</recordid><startdate>20240523</startdate><enddate>20240523</enddate><creator>Fang, Yingcui</creator><creator>Xu, Bin</creator><creator>Wang, Shuai</creator><creator>Liu, Hongjun</creator><creator>Wang, Jie</creator><creator>Si, Mengting</creator><scope/></search><sort><creationdate>20240523</creationdate><title>Highly stable localized surface plasmon resonance of Cu nanoparticles obtained oxygen plasma irradiation</title><author>Fang, Yingcui ; Xu, Bin ; Wang, Shuai ; Liu, Hongjun ; Wang, Jie ; Si, Mengting</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-rsc_primary_d3nr06277e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><creationdate>2024</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fang, Yingcui</creatorcontrib><creatorcontrib>Xu, Bin</creatorcontrib><creatorcontrib>Wang, Shuai</creatorcontrib><creatorcontrib>Liu, Hongjun</creatorcontrib><creatorcontrib>Wang, Jie</creatorcontrib><creatorcontrib>Si, Mengting</creatorcontrib><jtitle>Nanoscale</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fang, Yingcui</au><au>Xu, Bin</au><au>Wang, Shuai</au><au>Liu, Hongjun</au><au>Wang, Jie</au><au>Si, Mengting</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Highly stable localized surface plasmon resonance of Cu nanoparticles obtained oxygen plasma irradiation</atitle><jtitle>Nanoscale</jtitle><date>2024-05-23</date><risdate>2024</risdate><volume>16</volume><issue>2</issue><spage>9748</spage><epage>9753</epage><pages>9748-9753</pages><issn>2040-3364</issn><eissn>2040-3372</eissn><abstract>Copper nanoparticles (CuNPs) possess strong localized surface plasmon resonance (LSPR) in visible light. However, CuNPs are not chemically stable in air, which has seriously hindered the applications based on the LSPR of CuNPs. We developed an artificial method to passivate CuNPs as Al naturally does in air, preventing the oxidation of CuNPs through swift oxidation of the surface atoms
via
oxygen plasma irradiation. A hemispheric core-shell structure of CuNPs uniformly covered by a dense CuO shell (CuNPs@d-CuO) was constructed. The 4 nm d-CuO shell can prevent CuNPs from further oxidation. As a result, the LSPR of the CuNPs is stable in air over 180 days.
A CuNPs@d-CuO core-shell structure with a ∼4 nm CuO layer was obtained by passivating CuNPs
via
highly active oxygen plasma irradiation. The LSPR is strong and stable in air over 180 days.</abstract><doi>10.1039/d3nr06277e</doi><tpages>6</tpages></addata></record> |
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| source | Royal Society Of Chemistry Journals 2008- |
| title | Highly stable localized surface plasmon resonance of Cu nanoparticles obtained oxygen plasma irradiation |
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