Cu2‑xS/PbS Core/Shell Nanocrystals with Improved Chemical Stability
Nanocrystals of doped semiconductors, such as Cu2‑x S, hold much promise for near infrared active devices because, unlike in noble metals, their tunable infrared plasmon can exist in nanocrystals with diameters
Gespeichert in:
| Veröffentlicht in: | Chemistry of materials 2021-09, Vol.33 (17), p.6685-6691 |
|---|---|
| Hauptverfasser: | , , , , , , , |
| Format: | Artikel |
| Sprache: | eng |
| Online-Zugang: | Volltext |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | 6691 |
|---|---|
| container_issue | 17 |
| container_start_page | 6685 |
| container_title | Chemistry of materials |
| container_volume | 33 |
| creator | Yee, Patrick Y Brittman, Sarah Mahadik, Nadeemullah A Tischler, Joseph G Stroud, Rhonda M Efros, Alexander L Sercel, Peter C Boercker, Janice E |
| description | Nanocrystals of doped semiconductors, such as Cu2‑x S, hold much promise for near infrared active devices because, unlike in noble metals, their tunable infrared plasmon can exist in nanocrystals with diameters |
| doi_str_mv | 10.1021/acs.chemmater.1c00769 |
| format | Article |
| fullrecord | <record><control><sourceid>acs</sourceid><recordid>TN_cdi_acs_journals_10_1021_acs_chemmater_1c00769</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>c16084761</sourcerecordid><originalsourceid>FETCH-LOGICAL-a244t-a4699634707c0d86fd752c7ada46e86956df988585c99869bf86dd982aac67953</originalsourceid><addsrcrecordid>eNo9kN1KxDAQhYMoWFcfQcgLtJ2kzd-llFUXFhWq1yVNUtql3UqbVffOV_AV90nM4uLVcGbmzGE-hG4JJAQoSbWZE9O6YdDeTQkxAIKrMxQRRiFmAPQcRSCViHPB-CW6mucNAAlWGaFlsaOH75-vMn2pS1yMk0vL1vU9ftLb0Uz72et-xp-db_FqeJ_GD2dxEbI6o3tcel13fef31-iiCXvu5lQX6O1--Vo8xuvnh1Vxt441zXMf65wrxbNcgDBgJW-sYNQIbcPASa4Yt42SkklmlAq6biS3VkmqteFCsWyByN_d8HK1GXfTNqRVBKojh-rY_OdQnThkv-LkVSg</addsrcrecordid><sourcetype>Publisher</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype></control><display><type>article</type><title>Cu2‑xS/PbS Core/Shell Nanocrystals with Improved Chemical Stability</title><source>ACS Publications</source><creator>Yee, Patrick Y ; Brittman, Sarah ; Mahadik, Nadeemullah A ; Tischler, Joseph G ; Stroud, Rhonda M ; Efros, Alexander L ; Sercel, Peter C ; Boercker, Janice E</creator><creatorcontrib>Yee, Patrick Y ; Brittman, Sarah ; Mahadik, Nadeemullah A ; Tischler, Joseph G ; Stroud, Rhonda M ; Efros, Alexander L ; Sercel, Peter C ; Boercker, Janice E</creatorcontrib><description>Nanocrystals of doped semiconductors, such as Cu2‑x S, hold much promise for near infrared active devices because, unlike in noble metals, their tunable infrared plasmon can exist in nanocrystals with diameters <40 nm. Combining infrared plasmonic Cu2‑x S nanocrystals with infrared excitonic PbS nanocrystals has the potential to improve the optical properties of PbS nanocrystals via exciton–plasmon coupling. To explore this potential, we have developed the first synthetic method to deposit a PbS shell onto Cu2‑x S nanocrystals and confirmed the structure to have a mostly Cu2‑x S core with a patchy PbS shell using high-angle annular dark-field imaging scanning transmission electron microscopy and energy-dispersive X-ray spectroscopy spectrum images. Addition of the PbS shell changes the crystallographic phase of the Cu2‑x S cores and blueshifts and enhances their infrared plasmonic resonance. The shell also provides chemical stability to the Cu2‑x S nanocrystals such that they no longer completely chemically quench the photoluminescence of neighboring excitonic PbS nanocrystals in assembled films; consequently, these Cu2‑x S/PbS core/shell nanocrystals will enable future studies of infrared exciton–plasmon coupling at the nanoscale. This work demonstrates the importance of understanding the chemical interactions between nanocrystals of different materials when characterizing their optoelectronic properties in mixtures and composite materials.</description><identifier>ISSN: 0897-4756</identifier><identifier>EISSN: 1520-5002</identifier><identifier>DOI: 10.1021/acs.chemmater.1c00769</identifier><language>eng</language><publisher>American Chemical Society</publisher><ispartof>Chemistry of materials, 2021-09, Vol.33 (17), p.6685-6691</ispartof><rights>2021 American Chemical Society</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0002-7307-7565 ; 0000-0001-9517-0229 ; 0000-0003-1938-553X ; 0000-0001-5242-8015 ; 0000-0001-8776-6815 ; 0000-0002-1734-3793 ; 0000-0001-7915-1802</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/acs.chemmater.1c00769$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/acs.chemmater.1c00769$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,776,780,27053,27901,27902,56713,56763</link.rule.ids></links><search><creatorcontrib>Yee, Patrick Y</creatorcontrib><creatorcontrib>Brittman, Sarah</creatorcontrib><creatorcontrib>Mahadik, Nadeemullah A</creatorcontrib><creatorcontrib>Tischler, Joseph G</creatorcontrib><creatorcontrib>Stroud, Rhonda M</creatorcontrib><creatorcontrib>Efros, Alexander L</creatorcontrib><creatorcontrib>Sercel, Peter C</creatorcontrib><creatorcontrib>Boercker, Janice E</creatorcontrib><title>Cu2‑xS/PbS Core/Shell Nanocrystals with Improved Chemical Stability</title><title>Chemistry of materials</title><addtitle>Chem. Mater</addtitle><description>Nanocrystals of doped semiconductors, such as Cu2‑x S, hold much promise for near infrared active devices because, unlike in noble metals, their tunable infrared plasmon can exist in nanocrystals with diameters <40 nm. Combining infrared plasmonic Cu2‑x S nanocrystals with infrared excitonic PbS nanocrystals has the potential to improve the optical properties of PbS nanocrystals via exciton–plasmon coupling. To explore this potential, we have developed the first synthetic method to deposit a PbS shell onto Cu2‑x S nanocrystals and confirmed the structure to have a mostly Cu2‑x S core with a patchy PbS shell using high-angle annular dark-field imaging scanning transmission electron microscopy and energy-dispersive X-ray spectroscopy spectrum images. Addition of the PbS shell changes the crystallographic phase of the Cu2‑x S cores and blueshifts and enhances their infrared plasmonic resonance. The shell also provides chemical stability to the Cu2‑x S nanocrystals such that they no longer completely chemically quench the photoluminescence of neighboring excitonic PbS nanocrystals in assembled films; consequently, these Cu2‑x S/PbS core/shell nanocrystals will enable future studies of infrared exciton–plasmon coupling at the nanoscale. This work demonstrates the importance of understanding the chemical interactions between nanocrystals of different materials when characterizing their optoelectronic properties in mixtures and composite materials.</description><issn>0897-4756</issn><issn>1520-5002</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNo9kN1KxDAQhYMoWFcfQcgLtJ2kzd-llFUXFhWq1yVNUtql3UqbVffOV_AV90nM4uLVcGbmzGE-hG4JJAQoSbWZE9O6YdDeTQkxAIKrMxQRRiFmAPQcRSCViHPB-CW6mucNAAlWGaFlsaOH75-vMn2pS1yMk0vL1vU9ftLb0Uz72et-xp-db_FqeJ_GD2dxEbI6o3tcel13fef31-iiCXvu5lQX6O1--Vo8xuvnh1Vxt441zXMf65wrxbNcgDBgJW-sYNQIbcPASa4Yt42SkklmlAq6biS3VkmqteFCsWyByN_d8HK1GXfTNqRVBKojh-rY_OdQnThkv-LkVSg</recordid><startdate>20210914</startdate><enddate>20210914</enddate><creator>Yee, Patrick Y</creator><creator>Brittman, Sarah</creator><creator>Mahadik, Nadeemullah A</creator><creator>Tischler, Joseph G</creator><creator>Stroud, Rhonda M</creator><creator>Efros, Alexander L</creator><creator>Sercel, Peter C</creator><creator>Boercker, Janice E</creator><general>American Chemical Society</general><scope/><orcidid>https://orcid.org/0000-0002-7307-7565</orcidid><orcidid>https://orcid.org/0000-0001-9517-0229</orcidid><orcidid>https://orcid.org/0000-0003-1938-553X</orcidid><orcidid>https://orcid.org/0000-0001-5242-8015</orcidid><orcidid>https://orcid.org/0000-0001-8776-6815</orcidid><orcidid>https://orcid.org/0000-0002-1734-3793</orcidid><orcidid>https://orcid.org/0000-0001-7915-1802</orcidid></search><sort><creationdate>20210914</creationdate><title>Cu2‑xS/PbS Core/Shell Nanocrystals with Improved Chemical Stability</title><author>Yee, Patrick Y ; Brittman, Sarah ; Mahadik, Nadeemullah A ; Tischler, Joseph G ; Stroud, Rhonda M ; Efros, Alexander L ; Sercel, Peter C ; Boercker, Janice E</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a244t-a4699634707c0d86fd752c7ada46e86956df988585c99869bf86dd982aac67953</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yee, Patrick Y</creatorcontrib><creatorcontrib>Brittman, Sarah</creatorcontrib><creatorcontrib>Mahadik, Nadeemullah A</creatorcontrib><creatorcontrib>Tischler, Joseph G</creatorcontrib><creatorcontrib>Stroud, Rhonda M</creatorcontrib><creatorcontrib>Efros, Alexander L</creatorcontrib><creatorcontrib>Sercel, Peter C</creatorcontrib><creatorcontrib>Boercker, Janice E</creatorcontrib><jtitle>Chemistry of materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yee, Patrick Y</au><au>Brittman, Sarah</au><au>Mahadik, Nadeemullah A</au><au>Tischler, Joseph G</au><au>Stroud, Rhonda M</au><au>Efros, Alexander L</au><au>Sercel, Peter C</au><au>Boercker, Janice E</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Cu2‑xS/PbS Core/Shell Nanocrystals with Improved Chemical Stability</atitle><jtitle>Chemistry of materials</jtitle><addtitle>Chem. Mater</addtitle><date>2021-09-14</date><risdate>2021</risdate><volume>33</volume><issue>17</issue><spage>6685</spage><epage>6691</epage><pages>6685-6691</pages><issn>0897-4756</issn><eissn>1520-5002</eissn><abstract>Nanocrystals of doped semiconductors, such as Cu2‑x S, hold much promise for near infrared active devices because, unlike in noble metals, their tunable infrared plasmon can exist in nanocrystals with diameters <40 nm. Combining infrared plasmonic Cu2‑x S nanocrystals with infrared excitonic PbS nanocrystals has the potential to improve the optical properties of PbS nanocrystals via exciton–plasmon coupling. To explore this potential, we have developed the first synthetic method to deposit a PbS shell onto Cu2‑x S nanocrystals and confirmed the structure to have a mostly Cu2‑x S core with a patchy PbS shell using high-angle annular dark-field imaging scanning transmission electron microscopy and energy-dispersive X-ray spectroscopy spectrum images. Addition of the PbS shell changes the crystallographic phase of the Cu2‑x S cores and blueshifts and enhances their infrared plasmonic resonance. The shell also provides chemical stability to the Cu2‑x S nanocrystals such that they no longer completely chemically quench the photoluminescence of neighboring excitonic PbS nanocrystals in assembled films; consequently, these Cu2‑x S/PbS core/shell nanocrystals will enable future studies of infrared exciton–plasmon coupling at the nanoscale. This work demonstrates the importance of understanding the chemical interactions between nanocrystals of different materials when characterizing their optoelectronic properties in mixtures and composite materials.</abstract><pub>American Chemical Society</pub><doi>10.1021/acs.chemmater.1c00769</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-7307-7565</orcidid><orcidid>https://orcid.org/0000-0001-9517-0229</orcidid><orcidid>https://orcid.org/0000-0003-1938-553X</orcidid><orcidid>https://orcid.org/0000-0001-5242-8015</orcidid><orcidid>https://orcid.org/0000-0001-8776-6815</orcidid><orcidid>https://orcid.org/0000-0002-1734-3793</orcidid><orcidid>https://orcid.org/0000-0001-7915-1802</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0897-4756 |
| ispartof | Chemistry of materials, 2021-09, Vol.33 (17), p.6685-6691 |
| issn | 0897-4756 1520-5002 |
| language | eng |
| recordid | cdi_acs_journals_10_1021_acs_chemmater_1c00769 |
| source | ACS Publications |
| title | Cu2‑xS/PbS Core/Shell Nanocrystals with Improved Chemical Stability |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-16T11%3A45%3A58IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-acs&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Cu2%E2%80%91xS/PbS%20Core/Shell%20Nanocrystals%20with%20Improved%20Chemical%20Stability&rft.jtitle=Chemistry%20of%20materials&rft.au=Yee,%20Patrick%20Y&rft.date=2021-09-14&rft.volume=33&rft.issue=17&rft.spage=6685&rft.epage=6691&rft.pages=6685-6691&rft.issn=0897-4756&rft.eissn=1520-5002&rft_id=info:doi/10.1021/acs.chemmater.1c00769&rft_dat=%3Cacs%3Ec16084761%3C/acs%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |