Tunable, Bright, and Narrow-Band Luminescence from Colloidal Indium Phosphide Quantum Dots

Synthesis of cadmium (Cd)-free quantum dots (QDs) with tunable emission and high color purity has been a big challenge for the academic and industrial research community. Among various Cd-free QDs, indium phosphide (InP) QDs exhibit reasonably good color purity with emission full width at half-maxim...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:Chemistry of materials 2017-08, Vol.29 (16), p.6893-6899
Hauptverfasser: Ramasamy, Parthiban, Kim, Nayeon, Kang, Yeon-Su, Ramirez, Omar, Lee, Jong-Soo
Format: Artikel
Sprache:eng
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
container_end_page 6899
container_issue 16
container_start_page 6893
container_title Chemistry of materials
container_volume 29
creator Ramasamy, Parthiban
Kim, Nayeon
Kang, Yeon-Su
Ramirez, Omar
Lee, Jong-Soo
description Synthesis of cadmium (Cd)-free quantum dots (QDs) with tunable emission and high color purity has been a big challenge for the academic and industrial research community. Among various Cd-free QDs, indium phosphide (InP) QDs exhibit reasonably good color purity with emission full width at half-maximum (fwhm) values between 45 and 50 nm for green and over 50 nm for red emission, which is not good enough, as values less than 35 nm are favorable in commercial display products. In this work, we present the synthesis of highly luminescent In­(Zn)­P/ZnSe/ZnS QDs with tunable emission from 488 to 641 nm and high color purity. We found that the addition of zinc during the conventional SILAR growth of shell (ZnSe or ZnS) deteriorated the absorption features of core InP QDs and resulted in broader emission line widths. We solved this issue by synthesizing Zn carboxylate covered In­(Zn)P QDs in a single step and dramatically decreased the emission fwhm to as low as 36 nm with quantum yields (QYs) up to 67% for the green emitting QDs. We also demonstrate an effective successive ion layer adsorption and reaction method to continuously tune the InP QDs size from 1.6 to 3.6 nm with narrow size distribution. This enables us to tune the emission up to 641 nm with fwhm values less than 45 nm and QY up to 56% for red emission. This is the first report on the synthesis of InP QDs with such high color purity. In addition, the obtained QDs show exceptional stability under air (>15 days) and heat treatment (150 °C in air for 24 h). Given the difficulty in synthesizing size tunable InP QDs with narrow emission fwhm and high quantum yield, the results presented here are an important step toward the realization of Cd-free QDs as a feasible alternative in commercial display technologies.
doi_str_mv 10.1021/acs.chemmater.7b02204
format Article
fullrecord <record><control><sourceid>acs_cross</sourceid><recordid>TN_cdi_crossref_primary_10_1021_acs_chemmater_7b02204</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>b439116729</sourcerecordid><originalsourceid>FETCH-LOGICAL-a361t-9ae4373ceefc2bf4271ed2d269658310c4b4238fd921d506db27b08b3bf75ebd3</originalsourceid><addsrcrecordid>eNqFkNtKw0AQhhdRsFYfQdgHaOoesjlc2mq1UDxAvfEm7GHWpCS7ZTdBfHtTWrz1aob5-YaZD6FbSuaUMHondZzrGrpO9hDmuSKMkfQMTahgJBGEsHM0IUWZJ2kuskt0FeOOEDqixQR9bgcnVQszvAjNV93PsHQGv8gQ_HeyOPSboWscRA1OA7bBd3jp29Y3RrZ47UwzdPit9nFfNwbw-yBdP04efB-v0YWVbYSbU52ij9XjdvmcbF6f1sv7TSJ5RvuklJDynGsAq5myKcspGGZYVmai4JToVKWMF9aUjBpBMqPY-GKhuLK5AGX4FInjXh18jAFstQ9NJ8NPRUl1EFSNgqo_QdVJ0MjRI3eId34IbrzyH-YXFSpu7g</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype></control><display><type>article</type><title>Tunable, Bright, and Narrow-Band Luminescence from Colloidal Indium Phosphide Quantum Dots</title><source>American Chemical Society Publications</source><creator>Ramasamy, Parthiban ; Kim, Nayeon ; Kang, Yeon-Su ; Ramirez, Omar ; Lee, Jong-Soo</creator><creatorcontrib>Ramasamy, Parthiban ; Kim, Nayeon ; Kang, Yeon-Su ; Ramirez, Omar ; Lee, Jong-Soo</creatorcontrib><description>Synthesis of cadmium (Cd)-free quantum dots (QDs) with tunable emission and high color purity has been a big challenge for the academic and industrial research community. Among various Cd-free QDs, indium phosphide (InP) QDs exhibit reasonably good color purity with emission full width at half-maximum (fwhm) values between 45 and 50 nm for green and over 50 nm for red emission, which is not good enough, as values less than 35 nm are favorable in commercial display products. In this work, we present the synthesis of highly luminescent In­(Zn)­P/ZnSe/ZnS QDs with tunable emission from 488 to 641 nm and high color purity. We found that the addition of zinc during the conventional SILAR growth of shell (ZnSe or ZnS) deteriorated the absorption features of core InP QDs and resulted in broader emission line widths. We solved this issue by synthesizing Zn carboxylate covered In­(Zn)P QDs in a single step and dramatically decreased the emission fwhm to as low as 36 nm with quantum yields (QYs) up to 67% for the green emitting QDs. We also demonstrate an effective successive ion layer adsorption and reaction method to continuously tune the InP QDs size from 1.6 to 3.6 nm with narrow size distribution. This enables us to tune the emission up to 641 nm with fwhm values less than 45 nm and QY up to 56% for red emission. This is the first report on the synthesis of InP QDs with such high color purity. In addition, the obtained QDs show exceptional stability under air (&gt;15 days) and heat treatment (150 °C in air for 24 h). Given the difficulty in synthesizing size tunable InP QDs with narrow emission fwhm and high quantum yield, the results presented here are an important step toward the realization of Cd-free QDs as a feasible alternative in commercial display technologies.</description><identifier>ISSN: 0897-4756</identifier><identifier>EISSN: 1520-5002</identifier><identifier>DOI: 10.1021/acs.chemmater.7b02204</identifier><language>eng</language><publisher>American Chemical Society</publisher><ispartof>Chemistry of materials, 2017-08, Vol.29 (16), p.6893-6899</ispartof><rights>Copyright © 2017 American Chemical Society</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a361t-9ae4373ceefc2bf4271ed2d269658310c4b4238fd921d506db27b08b3bf75ebd3</citedby><cites>FETCH-LOGICAL-a361t-9ae4373ceefc2bf4271ed2d269658310c4b4238fd921d506db27b08b3bf75ebd3</cites><orcidid>0000-0002-3045-2206 ; 0000-0001-5844-7196</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.7b02204$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/acs.chemmater.7b02204$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>315,782,786,2767,27083,27931,27932,56745,56795</link.rule.ids></links><search><creatorcontrib>Ramasamy, Parthiban</creatorcontrib><creatorcontrib>Kim, Nayeon</creatorcontrib><creatorcontrib>Kang, Yeon-Su</creatorcontrib><creatorcontrib>Ramirez, Omar</creatorcontrib><creatorcontrib>Lee, Jong-Soo</creatorcontrib><title>Tunable, Bright, and Narrow-Band Luminescence from Colloidal Indium Phosphide Quantum Dots</title><title>Chemistry of materials</title><addtitle>Chem. Mater</addtitle><description>Synthesis of cadmium (Cd)-free quantum dots (QDs) with tunable emission and high color purity has been a big challenge for the academic and industrial research community. Among various Cd-free QDs, indium phosphide (InP) QDs exhibit reasonably good color purity with emission full width at half-maximum (fwhm) values between 45 and 50 nm for green and over 50 nm for red emission, which is not good enough, as values less than 35 nm are favorable in commercial display products. In this work, we present the synthesis of highly luminescent In­(Zn)­P/ZnSe/ZnS QDs with tunable emission from 488 to 641 nm and high color purity. We found that the addition of zinc during the conventional SILAR growth of shell (ZnSe or ZnS) deteriorated the absorption features of core InP QDs and resulted in broader emission line widths. We solved this issue by synthesizing Zn carboxylate covered In­(Zn)P QDs in a single step and dramatically decreased the emission fwhm to as low as 36 nm with quantum yields (QYs) up to 67% for the green emitting QDs. We also demonstrate an effective successive ion layer adsorption and reaction method to continuously tune the InP QDs size from 1.6 to 3.6 nm with narrow size distribution. This enables us to tune the emission up to 641 nm with fwhm values less than 45 nm and QY up to 56% for red emission. This is the first report on the synthesis of InP QDs with such high color purity. In addition, the obtained QDs show exceptional stability under air (&gt;15 days) and heat treatment (150 °C in air for 24 h). Given the difficulty in synthesizing size tunable InP QDs with narrow emission fwhm and high quantum yield, the results presented here are an important step toward the realization of Cd-free QDs as a feasible alternative in commercial display technologies.</description><issn>0897-4756</issn><issn>1520-5002</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqFkNtKw0AQhhdRsFYfQdgHaOoesjlc2mq1UDxAvfEm7GHWpCS7ZTdBfHtTWrz1aob5-YaZD6FbSuaUMHondZzrGrpO9hDmuSKMkfQMTahgJBGEsHM0IUWZJ2kuskt0FeOOEDqixQR9bgcnVQszvAjNV93PsHQGv8gQ_HeyOPSboWscRA1OA7bBd3jp29Y3RrZ47UwzdPit9nFfNwbw-yBdP04efB-v0YWVbYSbU52ij9XjdvmcbF6f1sv7TSJ5RvuklJDynGsAq5myKcspGGZYVmai4JToVKWMF9aUjBpBMqPY-GKhuLK5AGX4FInjXh18jAFstQ9NJ8NPRUl1EFSNgqo_QdVJ0MjRI3eId34IbrzyH-YXFSpu7g</recordid><startdate>20170822</startdate><enddate>20170822</enddate><creator>Ramasamy, Parthiban</creator><creator>Kim, Nayeon</creator><creator>Kang, Yeon-Su</creator><creator>Ramirez, Omar</creator><creator>Lee, Jong-Soo</creator><general>American Chemical Society</general><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0002-3045-2206</orcidid><orcidid>https://orcid.org/0000-0001-5844-7196</orcidid></search><sort><creationdate>20170822</creationdate><title>Tunable, Bright, and Narrow-Band Luminescence from Colloidal Indium Phosphide Quantum Dots</title><author>Ramasamy, Parthiban ; Kim, Nayeon ; Kang, Yeon-Su ; Ramirez, Omar ; Lee, Jong-Soo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a361t-9ae4373ceefc2bf4271ed2d269658310c4b4238fd921d506db27b08b3bf75ebd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ramasamy, Parthiban</creatorcontrib><creatorcontrib>Kim, Nayeon</creatorcontrib><creatorcontrib>Kang, Yeon-Su</creatorcontrib><creatorcontrib>Ramirez, Omar</creatorcontrib><creatorcontrib>Lee, Jong-Soo</creatorcontrib><collection>CrossRef</collection><jtitle>Chemistry of materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ramasamy, Parthiban</au><au>Kim, Nayeon</au><au>Kang, Yeon-Su</au><au>Ramirez, Omar</au><au>Lee, Jong-Soo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Tunable, Bright, and Narrow-Band Luminescence from Colloidal Indium Phosphide Quantum Dots</atitle><jtitle>Chemistry of materials</jtitle><addtitle>Chem. Mater</addtitle><date>2017-08-22</date><risdate>2017</risdate><volume>29</volume><issue>16</issue><spage>6893</spage><epage>6899</epage><pages>6893-6899</pages><issn>0897-4756</issn><eissn>1520-5002</eissn><abstract>Synthesis of cadmium (Cd)-free quantum dots (QDs) with tunable emission and high color purity has been a big challenge for the academic and industrial research community. Among various Cd-free QDs, indium phosphide (InP) QDs exhibit reasonably good color purity with emission full width at half-maximum (fwhm) values between 45 and 50 nm for green and over 50 nm for red emission, which is not good enough, as values less than 35 nm are favorable in commercial display products. In this work, we present the synthesis of highly luminescent In­(Zn)­P/ZnSe/ZnS QDs with tunable emission from 488 to 641 nm and high color purity. We found that the addition of zinc during the conventional SILAR growth of shell (ZnSe or ZnS) deteriorated the absorption features of core InP QDs and resulted in broader emission line widths. We solved this issue by synthesizing Zn carboxylate covered In­(Zn)P QDs in a single step and dramatically decreased the emission fwhm to as low as 36 nm with quantum yields (QYs) up to 67% for the green emitting QDs. We also demonstrate an effective successive ion layer adsorption and reaction method to continuously tune the InP QDs size from 1.6 to 3.6 nm with narrow size distribution. This enables us to tune the emission up to 641 nm with fwhm values less than 45 nm and QY up to 56% for red emission. This is the first report on the synthesis of InP QDs with such high color purity. In addition, the obtained QDs show exceptional stability under air (&gt;15 days) and heat treatment (150 °C in air for 24 h). Given the difficulty in synthesizing size tunable InP QDs with narrow emission fwhm and high quantum yield, the results presented here are an important step toward the realization of Cd-free QDs as a feasible alternative in commercial display technologies.</abstract><pub>American Chemical Society</pub><doi>10.1021/acs.chemmater.7b02204</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-3045-2206</orcidid><orcidid>https://orcid.org/0000-0001-5844-7196</orcidid></addata></record>
fulltext fulltext
identifier ISSN: 0897-4756
ispartof Chemistry of materials, 2017-08, Vol.29 (16), p.6893-6899
issn 0897-4756
1520-5002
language eng
recordid cdi_crossref_primary_10_1021_acs_chemmater_7b02204
source American Chemical Society Publications
title Tunable, Bright, and Narrow-Band Luminescence from Colloidal Indium Phosphide Quantum Dots
url https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-06T14%3A10%3A31IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-acs_cross&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Tunable,%20Bright,%20and%20Narrow-Band%20Luminescence%20from%20Colloidal%20Indium%20Phosphide%20Quantum%20Dots&rft.jtitle=Chemistry%20of%20materials&rft.au=Ramasamy,%20Parthiban&rft.date=2017-08-22&rft.volume=29&rft.issue=16&rft.spage=6893&rft.epage=6899&rft.pages=6893-6899&rft.issn=0897-4756&rft.eissn=1520-5002&rft_id=info:doi/10.1021/acs.chemmater.7b02204&rft_dat=%3Cacs_cross%3Eb439116729%3C/acs_cross%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