Bidentate Ligand-passivated CsPbI3 Perovskite Nanocrystals for Stable Near-unity Photoluminescence Quantum Yield and Efficient Red Light-emitting Diodes

Handle URI:
http://hdl.handle.net/10754/626433
Title:
Bidentate Ligand-passivated CsPbI3 Perovskite Nanocrystals for Stable Near-unity Photoluminescence Quantum Yield and Efficient Red Light-emitting Diodes
Authors:
Pan, Jun; Shang, Yuequn; Yin, Jun; de Bastiani, Michele; Peng, Wei ( 0000-0002-7168-9795 ) ; Dursun, Ibrahim ( 0000-0002-4408-3392 ) ; Sinatra, Lutfan ( 0000-0001-7034-7745 ) ; El-Zohry, Ahmed M.; Hedhili, Mohamed N. ( 0000-0002-3624-036X ) ; Emwas, Abdul-Hamid M.; Mohammed, Omar F. ( 0000-0001-8500-1130 ) ; Ning, Zhijun; Bakr, Osman M. ( 0000-0002-3428-1002 )
Abstract:
Although halide perovskite nanocrystals (NCs) are promising materials for optoelectronic devices, they suffer severely from chemical and phase instabilities. Moreover, the common capping ligands like oleic acid and oleylamine that encapsulate the NCs will form an insulating layer, precluding their utility in optoelectronic devices. To overcome these limitations, we develop a post-synthesis passivation process for CsPbI3 NCs by using a bidentate ligand, namely 2,2’-Iminodibenzoic acid. Our passivated NCs exhibit narrow red photoluminescence with exceptional quantum yield (close to unity) and substantially improved stability. The passivated NCs enabled us to realize red light-emitting diodes (LEDs) with 5.02% external quantum efficiency and 748 cd/m2 luminance, surpassing by far LEDs made from the non-passivated NCs.
KAUST Department:
KAUST Solar Center (KSC); Physical Sciences and Engineering (PSE) Division; KAUST Catalysis Center (KCC); Imaging and Characterization Core Lab
Citation:
Pan J, Shang Y, Yin J, De Bastiani M, Peng W, et al. (2017) Bidentate Ligand-passivated CsPbI3 Perovskite Nanocrystals for Stable Near-unity Photoluminescence Quantum Yield and Efficient Red Light-emitting Diodes. Journal of the American Chemical Society. Available: http://dx.doi.org/10.1021/jacs.7b10647.
Publisher:
American Chemical Society (ACS)
Journal:
Journal of the American Chemical Society
Issue Date:
17-Dec-2017
DOI:
10.1021/jacs.7b10647
Type:
Article
ISSN:
0002-7863; 1520-5126
Sponsors:
The authors acknowledge funding support from KAUST. Ning, Z. J. and Shang Y. Q. acknowledge financial support from the Shanghai International Cooperation Project (16520720700), National Key Research and Development Program of China (under Grants No. 2016FYA0204000), and Shanghai key research program (16JC1402100).
Additional Links:
http://pubs.acs.org/doi/10.1021/jacs.7b10647
Appears in Collections:
Articles; Advanced Nanofabrication, Imaging and Characterization Core Lab; Physical Sciences and Engineering (PSE) Division; KAUST Catalysis Center (KCC); Solar and Photovoltaic Engineering Research Center (SPERC)

Full metadata record

DC FieldValue Language
dc.contributor.authorPan, Junen
dc.contributor.authorShang, Yuequnen
dc.contributor.authorYin, Junen
dc.contributor.authorde Bastiani, Micheleen
dc.contributor.authorPeng, Weien
dc.contributor.authorDursun, Ibrahimen
dc.contributor.authorSinatra, Lutfanen
dc.contributor.authorEl-Zohry, Ahmed M.en
dc.contributor.authorHedhili, Mohamed N.en
dc.contributor.authorEmwas, Abdul-Hamid M.en
dc.contributor.authorMohammed, Omar F.en
dc.contributor.authorNing, Zhijunen
dc.contributor.authorBakr, Osman M.en
dc.date.accessioned2017-12-27T13:11:15Z-
dc.date.available2017-12-27T13:11:15Z-
dc.date.issued2017-12-17en
dc.identifier.citationPan J, Shang Y, Yin J, De Bastiani M, Peng W, et al. (2017) Bidentate Ligand-passivated CsPbI3 Perovskite Nanocrystals for Stable Near-unity Photoluminescence Quantum Yield and Efficient Red Light-emitting Diodes. Journal of the American Chemical Society. Available: http://dx.doi.org/10.1021/jacs.7b10647.en
dc.identifier.issn0002-7863en
dc.identifier.issn1520-5126en
dc.identifier.doi10.1021/jacs.7b10647en
dc.identifier.urihttp://hdl.handle.net/10754/626433-
dc.description.abstractAlthough halide perovskite nanocrystals (NCs) are promising materials for optoelectronic devices, they suffer severely from chemical and phase instabilities. Moreover, the common capping ligands like oleic acid and oleylamine that encapsulate the NCs will form an insulating layer, precluding their utility in optoelectronic devices. To overcome these limitations, we develop a post-synthesis passivation process for CsPbI3 NCs by using a bidentate ligand, namely 2,2’-Iminodibenzoic acid. Our passivated NCs exhibit narrow red photoluminescence with exceptional quantum yield (close to unity) and substantially improved stability. The passivated NCs enabled us to realize red light-emitting diodes (LEDs) with 5.02% external quantum efficiency and 748 cd/m2 luminance, surpassing by far LEDs made from the non-passivated NCs.en
dc.description.sponsorshipThe authors acknowledge funding support from KAUST. Ning, Z. J. and Shang Y. Q. acknowledge financial support from the Shanghai International Cooperation Project (16520720700), National Key Research and Development Program of China (under Grants No. 2016FYA0204000), and Shanghai key research program (16JC1402100).en
dc.publisherAmerican Chemical Society (ACS)en
dc.relation.urlhttp://pubs.acs.org/doi/10.1021/jacs.7b10647en
dc.rightsThis document is the Accepted Manuscript version of a Published Work that appeared in final form in Journal of the American Chemical Society, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see http://pubs.acs.org/doi/10.1021/jacs.7b10647.en
dc.titleBidentate Ligand-passivated CsPbI3 Perovskite Nanocrystals for Stable Near-unity Photoluminescence Quantum Yield and Efficient Red Light-emitting Diodesen
dc.typeArticleen
dc.contributor.departmentKAUST Solar Center (KSC)en
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Divisionen
dc.contributor.departmentKAUST Catalysis Center (KCC)en
dc.contributor.departmentImaging and Characterization Core Laben
dc.identifier.journalJournal of the American Chemical Societyen
dc.eprint.versionPost-printen
dc.contributor.institutionSchool of Physical Science and Technology, ShanghaiTech University, 100 Haike Road, Shanghai 201210, Chinaen
kaust.authorPan, Junen
kaust.authorYin, Junen
kaust.authorde Bastiani, Micheleen
kaust.authorPeng, Weien
kaust.authorDursun, Ibrahimen
kaust.authorSinatra, Lutfanen
kaust.authorEl-Zohry, Ahmed M.en
kaust.authorHedhili, Mohamed N.en
kaust.authorEmwas, Abdul-Hamid M.en
kaust.authorMohammed, Omar F.en
kaust.authorBakr, Osman M.en
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