Synthesis of widely emission-tunable Ag-Ga-S and its quaternary derivative quantum dots
DC Field | Value | Language |
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dc.contributor.author | Kim, Jong-Hoon | - |
dc.contributor.author | Kim, Bu-Yong | - |
dc.contributor.author | Jang, Eun-Pyo | - |
dc.contributor.author | Yoon, Suk-Young | - |
dc.contributor.author | Kim, Kyung-Hye | - |
dc.contributor.author | Do, Young Rag | - |
dc.contributor.author | Yang, Heesun | - |
dc.date.available | 2020-07-10T04:19:11Z | - |
dc.date.created | 2020-07-06 | - |
dc.date.issued | 2018-09-01 | - |
dc.identifier.issn | 1385-8947 | - |
dc.identifier.uri | https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/3252 | - |
dc.description.abstract | Chalcopyrite I -III-VI chalcogenides have attracted great attention as environmentally benign, non-Cd compositions for synthesis of colloidal quantum dot (QD) emitters. Various Cu-based I-III-VI compositions have been intensively investigated for synthesis of highly fluorescent QDs, while the compositional diversity of Ag-based QD emitters remains still limited. Here, we explore synthesis of Ag-based I-III-VI QDs of ternary Ag-Ga-S (AGS) and its derivative quaternary Zn-Ag-Ga-S (ZAGS) and Ag-In-Ga-S (AIGS) QDs through alloying AGS with Zn2+ and In3+ ions, respectively. Being in line with the variation of band gap of a series of these QDs, they exhibit a systematic, wide photoluminescence (PL) tunability from blue (450 nm, the shortest PL wavelength reported to date from I-III-VI QD emitters) from the highest-band gap ZAGS to amber color (570 nm) from the lowest-band gap AIGS with high PL quantum yields of 58-69% after elaborate ZnS shelling. Among QDs above, two AIGS/ZnS QDs with different In contents, which are capable of efficiently absorbing blue photons, are further applied as down-converters in combination with a blue light-emitting diode (LED) to produce bicolored white solid-state lighting devices and down-conversion emission properties of the resulting white QD-LEDs are described in detail. | - |
dc.language | 영어 | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER SCIENCE SA | - |
dc.subject | LIGHT-EMITTING-DIODES | - |
dc.subject | COLLOIDAL SEMICONDUCTOR NANOCRYSTALS | - |
dc.subject | LARGE-SCALE SYNTHESIS | - |
dc.subject | IN-ZN-S | - |
dc.subject | OPTICAL-PROPERTIES | - |
dc.subject | CUINS2-BASED NANOCRYSTALS | - |
dc.subject | HIGHLY LUMINESCENT | - |
dc.subject | SIZE CONTROL | - |
dc.subject | TERNARY | - |
dc.subject | ELECTROLUMINESCENCE | - |
dc.title | Synthesis of widely emission-tunable Ag-Ga-S and its quaternary derivative quantum dots | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Yang, Heesun | - |
dc.identifier.doi | 10.1016/j.cej.2018.04.167 | - |
dc.identifier.scopusid | 2-s2.0-85046077755 | - |
dc.identifier.wosid | 000432884900078 | - |
dc.identifier.bibliographicCitation | CHEMICAL ENGINEERING JOURNAL, v.347, pp.791 - 797 | - |
dc.relation.isPartOf | CHEMICAL ENGINEERING JOURNAL | - |
dc.citation.title | CHEMICAL ENGINEERING JOURNAL | - |
dc.citation.volume | 347 | - |
dc.citation.startPage | 791 | - |
dc.citation.endPage | 797 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Engineering | - |
dc.relation.journalWebOfScienceCategory | Engineering, Environmental | - |
dc.relation.journalWebOfScienceCategory | Engineering, Chemical | - |
dc.subject.keywordPlus | LIGHT-EMITTING-DIODES | - |
dc.subject.keywordPlus | COLLOIDAL SEMICONDUCTOR NANOCRYSTALS | - |
dc.subject.keywordPlus | LARGE-SCALE SYNTHESIS | - |
dc.subject.keywordPlus | IN-ZN-S | - |
dc.subject.keywordPlus | OPTICAL-PROPERTIES | - |
dc.subject.keywordPlus | CUINS2-BASED NANOCRYSTALS | - |
dc.subject.keywordPlus | HIGHLY LUMINESCENT | - |
dc.subject.keywordPlus | SIZE CONTROL | - |
dc.subject.keywordPlus | TERNARY | - |
dc.subject.keywordPlus | ELECTROLUMINESCENCE | - |
dc.subject.keywordAuthor | Ag-based I-III-VI | - |
dc.subject.keywordAuthor | Quantum dots | - |
dc.subject.keywordAuthor | Emission-tunable | - |
dc.subject.keywordAuthor | White QD-LEDs | - |
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