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Self-Organization of Plasmonic and Excitonic Nanoparticles into Resonant Chiral Supraparticle Assemblies
Chiral nanostructures exhibit strong coupling to the spin angular momentum of incident photons. The integration of metal nanostructures with semiconductor nanoparticles (NPs) to form hybrid plasmon–exciton nanoscale assemblies can potentially lead to plasmon-induced optical activity and unusual chir...
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Published in: | Nano letters 2014-12, Vol.14 (12), p.6799-6810 |
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creator | Hu, Tao Isaacoff, Benjamin P Bahng, Joong Hwan Hao, Changlong Zhou, Yunlong Zhu, Jian Li, Xinyu Wang, Zhenlong Liu, Shaoqin Xu, Chuanlai Biteen, Julie S Kotov, Nicholas A |
description | Chiral nanostructures exhibit strong coupling to the spin angular momentum of incident photons. The integration of metal nanostructures with semiconductor nanoparticles (NPs) to form hybrid plasmon–exciton nanoscale assemblies can potentially lead to plasmon-induced optical activity and unusual chiroptical properties of plasmon–exciton states. Here we investigate such effects in supraparticles (SPs) spontaneously formed from gold nanorods (NRs) and chiral CdTe NPs. The geometry of this new type of self-limited nanoscale superstructures depends on the molar ratio between NRs and NPs. NR dimers surrounded by CdTe NPs were obtained for the ratio NR/NP = 1:15, whereas increasing the NP content to a ratio of NR/NP = 1:180 leads to single NRs in a shell of NPs. The SPs based on NR dimers exhibit strong optical rotatory activity associated in large part with their twisted scissor-like geometry. The preference for a specific nanoscale enantiomer is attributed to the chiral interactions between CdTe NP in the shell. The SPs based on single NRs also yield surprising chiroptical activity at the frequency of the longitudinal mode of NRs. Numerical simulations reveal that the origin of this chiroptical band is the cross talk between the longitudinal and the transverse plasmon modes, which makes both of them coupled with the NP excitonic state. The chiral SP NR–NP assemblies combine the optical properties of excitons and plasmons that are essential for chiral sensing, chiroptical memory, and chiral catalysis. |
doi_str_mv | 10.1021/nl502237f |
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Center for Solar and Thermal Energy Conversion (CSTEC)</creatorcontrib><description>Chiral nanostructures exhibit strong coupling to the spin angular momentum of incident photons. The integration of metal nanostructures with semiconductor nanoparticles (NPs) to form hybrid plasmon–exciton nanoscale assemblies can potentially lead to plasmon-induced optical activity and unusual chiroptical properties of plasmon–exciton states. Here we investigate such effects in supraparticles (SPs) spontaneously formed from gold nanorods (NRs) and chiral CdTe NPs. The geometry of this new type of self-limited nanoscale superstructures depends on the molar ratio between NRs and NPs. NR dimers surrounded by CdTe NPs were obtained for the ratio NR/NP = 1:15, whereas increasing the NP content to a ratio of NR/NP = 1:180 leads to single NRs in a shell of NPs. The SPs based on NR dimers exhibit strong optical rotatory activity associated in large part with their twisted scissor-like geometry. The preference for a specific nanoscale enantiomer is attributed to the chiral interactions between CdTe NP in the shell. The SPs based on single NRs also yield surprising chiroptical activity at the frequency of the longitudinal mode of NRs. Numerical simulations reveal that the origin of this chiroptical band is the cross talk between the longitudinal and the transverse plasmon modes, which makes both of them coupled with the NP excitonic state. The chiral SP NR–NP assemblies combine the optical properties of excitons and plasmons that are essential for chiral sensing, chiroptical memory, and chiral catalysis.</description><identifier>ISSN: 1530-6984</identifier><identifier>EISSN: 1530-6992</identifier><identifier>DOI: 10.1021/nl502237f</identifier><identifier>PMID: 25400100</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Assemblies ; Cadmium tellurides ; Collective excitations (including excitons, polarons, plasmons and other charge-density excitations) ; Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Condensed matter: structure, mechanical and thermal properties ; Cross-disciplinary physics: materials science; rheology ; Dimers ; Electron states ; Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures ; Exact sciences and technology ; Excitation ; Excitons and related phenomena ; Joining ; Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties ; Materials science ; Nanocrystalline materials ; Nanoscale materials and structures: fabrication and characterization ; Nanostructure ; Physics ; Plasmons ; Semiconductors ; Surface and interface electron states ; Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</subject><ispartof>Nano letters, 2014-12, Vol.14 (12), p.6799-6810</ispartof><rights>Copyright © 2014 American Chemical Society</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a405t-63346a6da1257ce5e16123e1c3b4e7ab7a05236fb4af3da248cabdbc8b0cd4e3</citedby><cites>FETCH-LOGICAL-a405t-63346a6da1257ce5e16123e1c3b4e7ab7a05236fb4af3da248cabdbc8b0cd4e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=29062604$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25400100$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/1370107$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Hu, Tao</creatorcontrib><creatorcontrib>Isaacoff, Benjamin P</creatorcontrib><creatorcontrib>Bahng, Joong Hwan</creatorcontrib><creatorcontrib>Hao, Changlong</creatorcontrib><creatorcontrib>Zhou, Yunlong</creatorcontrib><creatorcontrib>Zhu, Jian</creatorcontrib><creatorcontrib>Li, Xinyu</creatorcontrib><creatorcontrib>Wang, Zhenlong</creatorcontrib><creatorcontrib>Liu, Shaoqin</creatorcontrib><creatorcontrib>Xu, Chuanlai</creatorcontrib><creatorcontrib>Biteen, Julie S</creatorcontrib><creatorcontrib>Kotov, Nicholas A</creatorcontrib><creatorcontrib>Energy Frontier Research Centers (EFRC) (United States). Center for Solar and Thermal Energy Conversion (CSTEC)</creatorcontrib><title>Self-Organization of Plasmonic and Excitonic Nanoparticles into Resonant Chiral Supraparticle Assemblies</title><title>Nano letters</title><addtitle>Nano Lett</addtitle><description>Chiral nanostructures exhibit strong coupling to the spin angular momentum of incident photons. The integration of metal nanostructures with semiconductor nanoparticles (NPs) to form hybrid plasmon–exciton nanoscale assemblies can potentially lead to plasmon-induced optical activity and unusual chiroptical properties of plasmon–exciton states. Here we investigate such effects in supraparticles (SPs) spontaneously formed from gold nanorods (NRs) and chiral CdTe NPs. The geometry of this new type of self-limited nanoscale superstructures depends on the molar ratio between NRs and NPs. NR dimers surrounded by CdTe NPs were obtained for the ratio NR/NP = 1:15, whereas increasing the NP content to a ratio of NR/NP = 1:180 leads to single NRs in a shell of NPs. The SPs based on NR dimers exhibit strong optical rotatory activity associated in large part with their twisted scissor-like geometry. The preference for a specific nanoscale enantiomer is attributed to the chiral interactions between CdTe NP in the shell. The SPs based on single NRs also yield surprising chiroptical activity at the frequency of the longitudinal mode of NRs. Numerical simulations reveal that the origin of this chiroptical band is the cross talk between the longitudinal and the transverse plasmon modes, which makes both of them coupled with the NP excitonic state. The chiral SP NR–NP assemblies combine the optical properties of excitons and plasmons that are essential for chiral sensing, chiroptical memory, and chiral catalysis.</description><subject>Assemblies</subject><subject>Cadmium tellurides</subject><subject>Collective excitations (including excitons, polarons, plasmons and other charge-density excitations)</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Dimers</subject><subject>Electron states</subject><subject>Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures</subject><subject>Exact sciences and technology</subject><subject>Excitation</subject><subject>Excitons and related phenomena</subject><subject>Joining</subject><subject>Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties</subject><subject>Materials science</subject><subject>Nanocrystalline materials</subject><subject>Nanoscale materials and structures: fabrication and characterization</subject><subject>Nanostructure</subject><subject>Physics</subject><subject>Plasmons</subject><subject>Semiconductors</subject><subject>Surface and interface electron states</subject><subject>Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</subject><issn>1530-6984</issn><issn>1530-6992</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNpt0Etv1DAQB3ALUdFSOPAFUISEBIfA-BFnc6xW5SFVLaK9WxPHYV059uJxpMKnb2C320tPHks_zePP2BsOnzgI_jmGBoSQ7fiMnfBGQq27Tjw_1Ct1zF4S3QJAJxt4wY5FowA4wAnbXLsw1lf5F0b_F4tPsUpj9SMgTSl6W2EcqvM768v_3yXGtMVcvA2OKh9Lqn46ShFjqdYbnzFU1_M244Opzojc1Afv6BU7GjGQe71_T9nNl_Ob9bf64urr9_XZRY0KmlJrKZVGPSAXTWtd47jmQjpuZa9ci32L0Aipx17hKAcUamWxH3q76sEOyslT9m7XNlHxhpbFnd3YFKOzxXDZLle3C_qwQ9ucfs-Oipk8WRcCRpdmMrzVArTqpFzoxx21ORFlN5pt9hPmP4aD-Re-OYS_2Lf7tnM_ueEgH9JewPs9QLIYxozRenp0HWihQT06tGRu05zjktgTA-8Bt4KZIA</recordid><startdate>20141210</startdate><enddate>20141210</enddate><creator>Hu, Tao</creator><creator>Isaacoff, Benjamin P</creator><creator>Bahng, Joong Hwan</creator><creator>Hao, Changlong</creator><creator>Zhou, Yunlong</creator><creator>Zhu, Jian</creator><creator>Li, Xinyu</creator><creator>Wang, Zhenlong</creator><creator>Liu, Shaoqin</creator><creator>Xu, Chuanlai</creator><creator>Biteen, Julie S</creator><creator>Kotov, Nicholas A</creator><general>American Chemical Society</general><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><scope>OTOTI</scope></search><sort><creationdate>20141210</creationdate><title>Self-Organization of Plasmonic and Excitonic Nanoparticles into Resonant Chiral Supraparticle Assemblies</title><author>Hu, Tao ; Isaacoff, Benjamin P ; Bahng, Joong Hwan ; Hao, Changlong ; Zhou, Yunlong ; Zhu, Jian ; Li, Xinyu ; Wang, Zhenlong ; Liu, Shaoqin ; Xu, Chuanlai ; Biteen, Julie S ; Kotov, Nicholas A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a405t-63346a6da1257ce5e16123e1c3b4e7ab7a05236fb4af3da248cabdbc8b0cd4e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Assemblies</topic><topic>Cadmium tellurides</topic><topic>Collective excitations (including excitons, polarons, plasmons and other charge-density excitations)</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Dimers</topic><topic>Electron states</topic><topic>Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures</topic><topic>Exact sciences and technology</topic><topic>Excitation</topic><topic>Excitons and related phenomena</topic><topic>Joining</topic><topic>Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties</topic><topic>Materials science</topic><topic>Nanocrystalline materials</topic><topic>Nanoscale materials and structures: fabrication and characterization</topic><topic>Nanostructure</topic><topic>Physics</topic><topic>Plasmons</topic><topic>Semiconductors</topic><topic>Surface and interface electron states</topic><topic>Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hu, Tao</creatorcontrib><creatorcontrib>Isaacoff, Benjamin P</creatorcontrib><creatorcontrib>Bahng, Joong Hwan</creatorcontrib><creatorcontrib>Hao, Changlong</creatorcontrib><creatorcontrib>Zhou, Yunlong</creatorcontrib><creatorcontrib>Zhu, Jian</creatorcontrib><creatorcontrib>Li, Xinyu</creatorcontrib><creatorcontrib>Wang, Zhenlong</creatorcontrib><creatorcontrib>Liu, Shaoqin</creatorcontrib><creatorcontrib>Xu, Chuanlai</creatorcontrib><creatorcontrib>Biteen, Julie S</creatorcontrib><creatorcontrib>Kotov, Nicholas A</creatorcontrib><creatorcontrib>Energy Frontier Research Centers (EFRC) (United States). Center for Solar and Thermal Energy Conversion (CSTEC)</creatorcontrib><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Nano letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hu, Tao</au><au>Isaacoff, Benjamin P</au><au>Bahng, Joong Hwan</au><au>Hao, Changlong</au><au>Zhou, Yunlong</au><au>Zhu, Jian</au><au>Li, Xinyu</au><au>Wang, Zhenlong</au><au>Liu, Shaoqin</au><au>Xu, Chuanlai</au><au>Biteen, Julie S</au><au>Kotov, Nicholas A</au><aucorp>Energy Frontier Research Centers (EFRC) (United States). Center for Solar and Thermal Energy Conversion (CSTEC)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Self-Organization of Plasmonic and Excitonic Nanoparticles into Resonant Chiral Supraparticle Assemblies</atitle><jtitle>Nano letters</jtitle><addtitle>Nano Lett</addtitle><date>2014-12-10</date><risdate>2014</risdate><volume>14</volume><issue>12</issue><spage>6799</spage><epage>6810</epage><pages>6799-6810</pages><issn>1530-6984</issn><eissn>1530-6992</eissn><abstract>Chiral nanostructures exhibit strong coupling to the spin angular momentum of incident photons. The integration of metal nanostructures with semiconductor nanoparticles (NPs) to form hybrid plasmon–exciton nanoscale assemblies can potentially lead to plasmon-induced optical activity and unusual chiroptical properties of plasmon–exciton states. Here we investigate such effects in supraparticles (SPs) spontaneously formed from gold nanorods (NRs) and chiral CdTe NPs. The geometry of this new type of self-limited nanoscale superstructures depends on the molar ratio between NRs and NPs. NR dimers surrounded by CdTe NPs were obtained for the ratio NR/NP = 1:15, whereas increasing the NP content to a ratio of NR/NP = 1:180 leads to single NRs in a shell of NPs. The SPs based on NR dimers exhibit strong optical rotatory activity associated in large part with their twisted scissor-like geometry. The preference for a specific nanoscale enantiomer is attributed to the chiral interactions between CdTe NP in the shell. The SPs based on single NRs also yield surprising chiroptical activity at the frequency of the longitudinal mode of NRs. Numerical simulations reveal that the origin of this chiroptical band is the cross talk between the longitudinal and the transverse plasmon modes, which makes both of them coupled with the NP excitonic state. The chiral SP NR–NP assemblies combine the optical properties of excitons and plasmons that are essential for chiral sensing, chiroptical memory, and chiral catalysis.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><pmid>25400100</pmid><doi>10.1021/nl502237f</doi><tpages>12</tpages></addata></record> |
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subjects | Assemblies Cadmium tellurides Collective excitations (including excitons, polarons, plasmons and other charge-density excitations) Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology Dimers Electron states Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures Exact sciences and technology Excitation Excitons and related phenomena Joining Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties Materials science Nanocrystalline materials Nanoscale materials and structures: fabrication and characterization Nanostructure Physics Plasmons Semiconductors Surface and interface electron states Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties) |
title | Self-Organization of Plasmonic and Excitonic Nanoparticles into Resonant Chiral Supraparticle Assemblies |
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