Aluminum ultraviolet–visible plasmonic arrays for broadband and wavelength-selective enhancements of quantum dot emission
Enhancement of spontaneous emission can be achieved by the interaction between quantum emitters and the free electrons on metal surfaces, which creates additional energy relaxation channels through plasmon excitations. It can also be realized by extra near-field excitation of quantum emitters throug...
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| Veröffentlicht in: | Applied physics letters 2017-08, Vol.111 (8) |
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| container_title | Applied physics letters |
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| creator | Kannegulla, A. Liu, Y. Wu, B. Cheng, L.-J. |
| description | Enhancement of spontaneous emission can be achieved by the interaction between quantum emitters and the free electrons on metal surfaces, which creates additional energy relaxation channels through plasmon excitations. It can also be realized by extra near-field excitation of quantum emitters through surface plasmons created by absorption of far-field illumination. By using aluminum dimple arrays with their surface plasmon resonances (SPRs) tunable to span from the visible to UV regions, we demonstrate the control of the quantum dot (QD)-SPR coupling routes to realize either wavelength-selective enhancement of QD emission or broadband enhancement of multicolor QDs. The cost effective Al plasmonic structures enable enhancement of light emission and excitation at tailorable wavelengths and could advance the performance and design flexibility of light-emitting devices and photovoltaic technologies. |
| doi_str_mv | 10.1063/1.4986970 |
| format | Article |
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It can also be realized by extra near-field excitation of quantum emitters through surface plasmons created by absorption of far-field illumination. By using aluminum dimple arrays with their surface plasmon resonances (SPRs) tunable to span from the visible to UV regions, we demonstrate the control of the quantum dot (QD)-SPR coupling routes to realize either wavelength-selective enhancement of QD emission or broadband enhancement of multicolor QDs. The cost effective Al plasmonic structures enable enhancement of light emission and excitation at tailorable wavelengths and could advance the performance and design flexibility of light-emitting devices and photovoltaic technologies.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.4986970</identifier><identifier>CODEN: APPLAB</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Aluminum ; Applied physics ; Broadband ; Dimpling ; Emitters ; Emitters (electron) ; Excitation ; Far fields ; Free electrons ; Light emission ; Metal surfaces ; Plasmons ; Quantum dots ; Spontaneous emission</subject><ispartof>Applied physics letters, 2017-08, Vol.111 (8)</ispartof><rights>Author(s)</rights><rights>2017 Author(s). 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It can also be realized by extra near-field excitation of quantum emitters through surface plasmons created by absorption of far-field illumination. By using aluminum dimple arrays with their surface plasmon resonances (SPRs) tunable to span from the visible to UV regions, we demonstrate the control of the quantum dot (QD)-SPR coupling routes to realize either wavelength-selective enhancement of QD emission or broadband enhancement of multicolor QDs. The cost effective Al plasmonic structures enable enhancement of light emission and excitation at tailorable wavelengths and could advance the performance and design flexibility of light-emitting devices and photovoltaic technologies.</description><subject>Aluminum</subject><subject>Applied physics</subject><subject>Broadband</subject><subject>Dimpling</subject><subject>Emitters</subject><subject>Emitters (electron)</subject><subject>Excitation</subject><subject>Far fields</subject><subject>Free electrons</subject><subject>Light emission</subject><subject>Metal surfaces</subject><subject>Plasmons</subject><subject>Quantum dots</subject><subject>Spontaneous emission</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqdkM1KAzEQx4MoWKsH3yDgSWFrZtP9OpbiFxS86HmZzSY2ZTfZJtmV4sV38A19ErdU8O5hmBn4MX_mR8glsBmwlN_CbF7kaZGxIzIBlmURB8iPyYQxxqO0SOCUnHm_Gdck5nxCPhZN32rTt7RvgsNB20aG78-vQXtdNZJ2DfrWGi0oOoc7T5V1tHIW6wpNTff1joNspHkL68iPgwh6kFSaNRohW2mCp1bRbY8mjCm1DVS22nttzTk5Udh4efHbp-T1_u5l-Ritnh-elotVJHjBQ5RxyYq6mEOFivMiBa5SxDhLMEeohADM8hizQrEUkzpnFfBkXvEsEQkqiRWfkqvD3c7ZbS99KDe2d2aMLGOAlOWjJxip6wMlnPXeSVV2TrfodiWwcu-2hPLX7cjeHFgvdMAw_vI_eLDuDyy7WvEfr3KMEA</recordid><startdate>20170821</startdate><enddate>20170821</enddate><creator>Kannegulla, A.</creator><creator>Liu, Y.</creator><creator>Wu, B.</creator><creator>Cheng, L.-J.</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-1386-9368</orcidid></search><sort><creationdate>20170821</creationdate><title>Aluminum ultraviolet–visible plasmonic arrays for broadband and wavelength-selective enhancements of quantum dot emission</title><author>Kannegulla, A. ; Liu, Y. ; Wu, B. ; Cheng, L.-J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c393t-73e09d941baf339613f6aa275a8a1bcc1a782a79f06a5d80b1354b375c5afeab3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Aluminum</topic><topic>Applied physics</topic><topic>Broadband</topic><topic>Dimpling</topic><topic>Emitters</topic><topic>Emitters (electron)</topic><topic>Excitation</topic><topic>Far fields</topic><topic>Free electrons</topic><topic>Light emission</topic><topic>Metal surfaces</topic><topic>Plasmons</topic><topic>Quantum dots</topic><topic>Spontaneous emission</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kannegulla, A.</creatorcontrib><creatorcontrib>Liu, Y.</creatorcontrib><creatorcontrib>Wu, B.</creatorcontrib><creatorcontrib>Cheng, L.-J.</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kannegulla, A.</au><au>Liu, Y.</au><au>Wu, B.</au><au>Cheng, L.-J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Aluminum ultraviolet–visible plasmonic arrays for broadband and wavelength-selective enhancements of quantum dot emission</atitle><jtitle>Applied physics letters</jtitle><date>2017-08-21</date><risdate>2017</risdate><volume>111</volume><issue>8</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><coden>APPLAB</coden><abstract>Enhancement of spontaneous emission can be achieved by the interaction between quantum emitters and the free electrons on metal surfaces, which creates additional energy relaxation channels through plasmon excitations. It can also be realized by extra near-field excitation of quantum emitters through surface plasmons created by absorption of far-field illumination. By using aluminum dimple arrays with their surface plasmon resonances (SPRs) tunable to span from the visible to UV regions, we demonstrate the control of the quantum dot (QD)-SPR coupling routes to realize either wavelength-selective enhancement of QD emission or broadband enhancement of multicolor QDs. The cost effective Al plasmonic structures enable enhancement of light emission and excitation at tailorable wavelengths and could advance the performance and design flexibility of light-emitting devices and photovoltaic technologies.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4986970</doi><tpages>4</tpages><orcidid>https://orcid.org/0000-0002-1386-9368</orcidid></addata></record> |
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| language | eng |
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| source | American Institute of Physics (AIP) Journals; Alma/SFX Local Collection |
| subjects | Aluminum Applied physics Broadband Dimpling Emitters Emitters (electron) Excitation Far fields Free electrons Light emission Metal surfaces Plasmons Quantum dots Spontaneous emission |
| title | Aluminum ultraviolet–visible plasmonic arrays for broadband and wavelength-selective enhancements of quantum dot emission |
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