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Article: Synthesis of WOn-WX2 (n=2.7, 2.9; X=S, Se) Heterostructures for Highly Efficient Green Quantum Dot Light-Emitting Diodes

TitleSynthesis of WO<inf>n</inf>-WX<inf>2</inf> (n=2.7, 2.9; X=S, Se) Heterostructures for Highly Efficient Green Quantum Dot Light-Emitting Diodes
Authors
Keywordslight-emitting diodes
quantum dots
selenium
sulfur
tungsten
Issue Date2017
Citation
Angewandte Chemie - International Edition, 2017, v. 56, n. 35, p. 10486-10490 How to Cite?
AbstractPreparation of two-dimensional (2D) heterostructures is important not only fundamentally, but also technologically for applications in electronics and optoelectronics. Herein, we report a facile colloidal method for the synthesis of WOn-WX2 (n=2.7, 2.9; X=S, Se) heterostructures by sulfurization or selenization of WOn nanomaterials. The WOn-WX2 heterostructures are composed of WO2.9 nanoparticles (NPs) or WO2.7 nanowires (NWs) grown together with single- or few-layer WX2 nanosheets (NSs). As a proof-of-concept application, the WOn-WX2 heterostructures are used as the anode interfacial buffer layer for green quantum dot light-emitting diodes (QLEDs). The QLED prepared with WO2.9 NP-WSe2 NS heterostructures achieves external quantum efficiency (EQE) of 8.53 %. To our knowledge, this is the highest efficiency in the reported green QLEDs using inorganic materials as the hole injection layer.
Persistent Identifierhttp://hdl.handle.net/10722/329456
ISSN
2023 Impact Factor: 16.1
2023 SCImago Journal Rankings: 5.300
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorHan, Shikui-
dc.contributor.authorYang, Xuyong-
dc.contributor.authorZhu, Yihan-
dc.contributor.authorTan, Chaoliang-
dc.contributor.authorZhang, Xiao-
dc.contributor.authorChen, Junze-
dc.contributor.authorHuang, Ying-
dc.contributor.authorChen, Bo-
dc.contributor.authorLuo, Zhimin-
dc.contributor.authorMa, Qinglang-
dc.contributor.authorSindoro, Melinda-
dc.contributor.authorZhang, Hao-
dc.contributor.authorQi, Xiaoying-
dc.contributor.authorLi, Hai-
dc.contributor.authorHuang, Xiao-
dc.contributor.authorHuang, Wei-
dc.contributor.authorSun, Xiao Wei-
dc.contributor.authorHan, Yu-
dc.contributor.authorZhang, Hua-
dc.date.accessioned2023-08-09T03:32:55Z-
dc.date.available2023-08-09T03:32:55Z-
dc.date.issued2017-
dc.identifier.citationAngewandte Chemie - International Edition, 2017, v. 56, n. 35, p. 10486-10490-
dc.identifier.issn1433-7851-
dc.identifier.urihttp://hdl.handle.net/10722/329456-
dc.description.abstractPreparation of two-dimensional (2D) heterostructures is important not only fundamentally, but also technologically for applications in electronics and optoelectronics. Herein, we report a facile colloidal method for the synthesis of WOn-WX2 (n=2.7, 2.9; X=S, Se) heterostructures by sulfurization or selenization of WOn nanomaterials. The WOn-WX2 heterostructures are composed of WO2.9 nanoparticles (NPs) or WO2.7 nanowires (NWs) grown together with single- or few-layer WX2 nanosheets (NSs). As a proof-of-concept application, the WOn-WX2 heterostructures are used as the anode interfacial buffer layer for green quantum dot light-emitting diodes (QLEDs). The QLED prepared with WO2.9 NP-WSe2 NS heterostructures achieves external quantum efficiency (EQE) of 8.53 %. To our knowledge, this is the highest efficiency in the reported green QLEDs using inorganic materials as the hole injection layer.-
dc.languageeng-
dc.relation.ispartofAngewandte Chemie - International Edition-
dc.subjectlight-emitting diodes-
dc.subjectquantum dots-
dc.subjectselenium-
dc.subjectsulfur-
dc.subjecttungsten-
dc.titleSynthesis of WO<inf>n</inf>-WX<inf>2</inf> (n=2.7, 2.9; X=S, Se) Heterostructures for Highly Efficient Green Quantum Dot Light-Emitting Diodes-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/anie.201705617-
dc.identifier.pmid28675526-
dc.identifier.scopuseid_2-s2.0-85026661425-
dc.identifier.volume56-
dc.identifier.issue35-
dc.identifier.spage10486-
dc.identifier.epage10490-
dc.identifier.eissn1521-3773-
dc.identifier.isiWOS:000434546000037-

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