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Device performance and light characteristics stability of quantum-dot-based white-light-emitting diodes
dc.contributor.author | Clasen Hames, Bruno | |
dc.contributor.author | Mora-Sero, Ivan | |
dc.contributor.author | S. Sánchez, Rafael | |
dc.date.accessioned | 2017-12-14T14:28:52Z | |
dc.date.available | 2017-12-14T14:28:52Z | |
dc.date.issued | 2017 | |
dc.identifier.citation | Hames, B.C., Mora-Seró, I. & Sánchez, R.S. Nano Res. (2017). https://doi.org/10.1007/s12274-017-1773-2 | ca_CA |
dc.identifier.issn | 1998-0124 | |
dc.identifier.issn | 1998-0000 | |
dc.identifier.uri | http://hdl.handle.net/10234/170954 | |
dc.description.abstract | Advances in image quality in recent decades have made it necessary to develop new technologies for producing displays to meet remarkably stricter standards. The display market is governed mainly by liquid crystal display and lightemitting diode (LED) technology; however, it suffers from limitations that can be overcome by developing the next generation of electroluminescent displays. The introduction of colloidal quantum dots (QDs) as down-converters has enabled the production of displays with extremely high color purity and gamut. Therefore, colloidal nanocrystals are excellent candidates for the preparation of electroluminescent devices, which represent a straightforward approach to the development of unprecedented high-quality displays. We synthesized light-emitting QDs covering the entire visible spectrum with high fluorescence quantum yields and color purity, and produced high-brightness single-color LEDs with external quantum efficiencies of 0.39%, 1.04%, 2.10%, and 1.30% for red-, orange-, green-, and blue-emitting dots, respectively. Additionally, white LEDs were prepared by mixing QDs; they showed color temperatures of 5,300 K and color rendering indices exceeding 80%. Very importantly, we exhaustively characterized the LED performance, including the response time, stability, and evolution of the light characteristics, thus providing crucial information toward the development of high-quality electroluminescent displays. | ca_CA |
dc.format.extent | 14 p. | ca_CA |
dc.language.iso | eng | ca_CA |
dc.publisher | Springer Verlag | ca_CA |
dc.relation.isPartOf | Nano Res. (2017) | ca_CA |
dc.rights | © Tsinghua University Press and Springer-Verlag GmbH Germany 2017 | ca_CA |
dc.rights.uri | http://rightsstatements.org/vocab/InC/1.0/ | * |
dc.subject | colloidal quantum dots | ca_CA |
dc.subject | quantum dot light-emitting diodes | ca_CA |
dc.subject | white light-emitting diode (LED) displays | ca_CA |
dc.subject | electroluminescence | ca_CA |
dc.subject | LED stability | ca_CA |
dc.title | Device performance and light characteristics stability of quantum-dot-based white-light-emitting diodes | ca_CA |
dc.type | info:eu-repo/semantics/article | ca_CA |
dc.identifier.doi | https://doi.org/10.1007/s1227 | |
dc.relation.projectID | MAT2016-76892-C3-1-R ; PROMETEOII/2014/020 | ca_CA |
dc.rights.accessRights | info:eu-repo/semantics/restrictedAccess | ca_CA |
dc.relation.publisherVersion | https://link.springer.com/article/10.1007/s12274-017-1773-2#aboutcontent | ca_CA |
dc.type.version | info:eu-repo/semantics/publishedVersion | ca_CA |
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