NIR-Absorbing Mesoporous Silica-Coated Copper Sulphide Nanostructures for Light-to-Thermal Energy Conversion
Plasmonic nanostructures, featuring near infrared (NIR)-absorption, are rising as efficient nanosystems for in vitro photothermal (PT) studies and in vivo PT treatment of cancer diseases. Among the different materials, new plasmonic nanostructures based on Cu<sub>2−x</sub>S nanocrystals...
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| Format: | Article |
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MDPI AG
2022-07-01
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| Series: | Nanomaterials |
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| Online Access: | https://www.mdpi.com/2079-4991/12/15/2545 |
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| author | Elisabetta Fanizza Rita Mastrogiacomo Orietta Pugliese Alexa Guglielmelli Luciano De Sio Rachele Castaldo Maria Principia Scavo Mariangela Giancaspro Federica Rizzi Gennaro Gentile Fabio Vischio Livianna Carrieri Ilaria De Pasquale Giacomo Mandriota Francesca Petronella Chiara Ingrosso Marino Lavorgna Roberto Comparelli Marinella Striccoli Maria Lucia Curri Nicoletta Depalo |
| author_facet | Elisabetta Fanizza Rita Mastrogiacomo Orietta Pugliese Alexa Guglielmelli Luciano De Sio Rachele Castaldo Maria Principia Scavo Mariangela Giancaspro Federica Rizzi Gennaro Gentile Fabio Vischio Livianna Carrieri Ilaria De Pasquale Giacomo Mandriota Francesca Petronella Chiara Ingrosso Marino Lavorgna Roberto Comparelli Marinella Striccoli Maria Lucia Curri Nicoletta Depalo |
| author_sort | Elisabetta Fanizza |
| collection | DOAJ |
| description | Plasmonic nanostructures, featuring near infrared (NIR)-absorption, are rising as efficient nanosystems for in vitro photothermal (PT) studies and in vivo PT treatment of cancer diseases. Among the different materials, new plasmonic nanostructures based on Cu<sub>2−x</sub>S nanocrystals (NCs) are emerging as valuable alternatives to Au nanorods, nanostars and nanoshells, largely exploited as NIR absorbing nanoheaters. Even though Cu<sub>2−x</sub>S plasmonic properties are not linked to geometry, the role played by their size, shape and surface chemistry is expected to be fundamental for an efficient PT process. Here, Cu<sub>2−x</sub>S NCs coated with a hydrophilic mesoporous silica shell (MSS) are synthesized by solution-phase strategies, tuning the core geometry, MSS thickness and texture. Besides their loading capability, the silica shell has been widely reported to provide a more robust plasmonic core protection than organic molecular/polymeric coatings, and improved heat flow from the NC to the environment due to a reduced interfacial thermal resistance and direct electron–phonon coupling through the interface. Systematic structural and morphological analysis of the core-shell nanoparticles and an in-depth thermoplasmonic characterization by using a pump beam 808 nm laser, are carried out. The results suggest that large triangular nanoplates (NPLs) coated by a few tens of nanometers thick MSS, show good photostability under laser light irradiation and provide a temperature increase above 38 °C and a 20% PT efficiency upon short irradiation time (60 s) at 6 W/cm<sup>2</sup> power density. |
| first_indexed | 2024-03-09T05:09:28Z |
| format | Article |
| id | doaj.art-d67a80cae0b64cc9b107b0cfd3bbfb66 |
| institution | Directory Open Access Journal |
| issn | 2079-4991 |
| language | English |
| last_indexed | 2024-03-09T05:09:28Z |
| publishDate | 2022-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Nanomaterials |
| spelling | doaj.art-d67a80cae0b64cc9b107b0cfd3bbfb662023-12-03T12:51:32ZengMDPI AGNanomaterials2079-49912022-07-011215254510.3390/nano12152545NIR-Absorbing Mesoporous Silica-Coated Copper Sulphide Nanostructures for Light-to-Thermal Energy ConversionElisabetta Fanizza0Rita Mastrogiacomo1Orietta Pugliese2Alexa Guglielmelli3Luciano De Sio4Rachele Castaldo5Maria Principia Scavo6Mariangela Giancaspro7Federica Rizzi8Gennaro Gentile9Fabio Vischio10Livianna Carrieri11Ilaria De Pasquale12Giacomo Mandriota13Francesca Petronella14Chiara Ingrosso15Marino Lavorgna16Roberto Comparelli17Marinella Striccoli18Maria Lucia Curri19Nicoletta Depalo20Department of Chemistry, University of Bari, A. Moro, Via Orabona 4, 70126 Bari, ItalyDepartment of Chemistry, University of Bari, A. Moro, Via Orabona 4, 70126 Bari, ItalyDepartment of Chemistry, University of Bari, A. Moro, Via Orabona 4, 70126 Bari, ItalyDepartment of Physics, NLHT-Lab, University of Calabria, Via Ponte P. Bucci, Cubo 33C, 87036 Rende, ItalyCNR-NANOTEC-Institute of Nanotechnology, Via Ponte P. Bucci, Cubo 33C, 87036 Rende, ItalyCNR-IPCB, Via Campi Flegrei 34, 80078 Pozzuoli, ItalyNational Institute of Gastroenterology Saverio de Bellis, IRCCS Research Hospital, Via Turi 27, 70013 Castellana Grotte, ItalyDepartment of Chemistry, University of Bari, A. Moro, Via Orabona 4, 70126 Bari, ItalyDepartment of Chemistry, University of Bari, A. Moro, Via Orabona 4, 70126 Bari, ItalyCNR-IPCB, Via Campi Flegrei 34, 80078 Pozzuoli, ItalyCNR-IPCF Bari Division, Via Orabona 4, 70125 Bari, ItalyNational Institute of Gastroenterology Saverio de Bellis, IRCCS Research Hospital, Via Turi 27, 70013 Castellana Grotte, ItalyCNR-IPCF Bari Division, Via Orabona 4, 70125 Bari, ItalyCNR-IPCF Bari Division, Via Orabona 4, 70125 Bari, ItalyCNR-IC, Via Salaria Km 29.300, 00015 Monterotondo, ItalyCNR-IPCF Bari Division, Via Orabona 4, 70125 Bari, ItalyCNR-IPCB, Piazzale E. Fermi 1, 80055 Portici, ItalyCNR-IPCF Bari Division, Via Orabona 4, 70125 Bari, ItalyCNR-IPCF Bari Division, Via Orabona 4, 70125 Bari, ItalyDepartment of Chemistry, University of Bari, A. Moro, Via Orabona 4, 70126 Bari, ItalyCNR-IPCF Bari Division, Via Orabona 4, 70125 Bari, ItalyPlasmonic nanostructures, featuring near infrared (NIR)-absorption, are rising as efficient nanosystems for in vitro photothermal (PT) studies and in vivo PT treatment of cancer diseases. Among the different materials, new plasmonic nanostructures based on Cu<sub>2−x</sub>S nanocrystals (NCs) are emerging as valuable alternatives to Au nanorods, nanostars and nanoshells, largely exploited as NIR absorbing nanoheaters. Even though Cu<sub>2−x</sub>S plasmonic properties are not linked to geometry, the role played by their size, shape and surface chemistry is expected to be fundamental for an efficient PT process. Here, Cu<sub>2−x</sub>S NCs coated with a hydrophilic mesoporous silica shell (MSS) are synthesized by solution-phase strategies, tuning the core geometry, MSS thickness and texture. Besides their loading capability, the silica shell has been widely reported to provide a more robust plasmonic core protection than organic molecular/polymeric coatings, and improved heat flow from the NC to the environment due to a reduced interfacial thermal resistance and direct electron–phonon coupling through the interface. Systematic structural and morphological analysis of the core-shell nanoparticles and an in-depth thermoplasmonic characterization by using a pump beam 808 nm laser, are carried out. The results suggest that large triangular nanoplates (NPLs) coated by a few tens of nanometers thick MSS, show good photostability under laser light irradiation and provide a temperature increase above 38 °C and a 20% PT efficiency upon short irradiation time (60 s) at 6 W/cm<sup>2</sup> power density.https://www.mdpi.com/2079-4991/12/15/2545plasmonic nanostructuresCu<sub>2−x</sub>S nanocrystalsmesoporous silicaphotothermal properties |
| spellingShingle | Elisabetta Fanizza Rita Mastrogiacomo Orietta Pugliese Alexa Guglielmelli Luciano De Sio Rachele Castaldo Maria Principia Scavo Mariangela Giancaspro Federica Rizzi Gennaro Gentile Fabio Vischio Livianna Carrieri Ilaria De Pasquale Giacomo Mandriota Francesca Petronella Chiara Ingrosso Marino Lavorgna Roberto Comparelli Marinella Striccoli Maria Lucia Curri Nicoletta Depalo NIR-Absorbing Mesoporous Silica-Coated Copper Sulphide Nanostructures for Light-to-Thermal Energy Conversion Nanomaterials plasmonic nanostructures Cu<sub>2−x</sub>S nanocrystals mesoporous silica photothermal properties |
| title | NIR-Absorbing Mesoporous Silica-Coated Copper Sulphide Nanostructures for Light-to-Thermal Energy Conversion |
| title_full | NIR-Absorbing Mesoporous Silica-Coated Copper Sulphide Nanostructures for Light-to-Thermal Energy Conversion |
| title_fullStr | NIR-Absorbing Mesoporous Silica-Coated Copper Sulphide Nanostructures for Light-to-Thermal Energy Conversion |
| title_full_unstemmed | NIR-Absorbing Mesoporous Silica-Coated Copper Sulphide Nanostructures for Light-to-Thermal Energy Conversion |
| title_short | NIR-Absorbing Mesoporous Silica-Coated Copper Sulphide Nanostructures for Light-to-Thermal Energy Conversion |
| title_sort | nir absorbing mesoporous silica coated copper sulphide nanostructures for light to thermal energy conversion |
| topic | plasmonic nanostructures Cu<sub>2−x</sub>S nanocrystals mesoporous silica photothermal properties |
| url | https://www.mdpi.com/2079-4991/12/15/2545 |
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