Hue- and Chromaticity-Based Exploration of Surface Complexation-Induced Tunable Emission from Non-Luminescent Quantum Dots.
chromaticity
hue
inorganic complexes
photoluminescence
quantum dots
white light emission
Journal
Chemistry, an Asian journal
ISSN: 1861-471X
Titre abrégé: Chem Asian J
Pays: Germany
ID NLM: 101294643
Informations de publication
Date de publication:
04 Nov 2019
04 Nov 2019
Historique:
received:
09
08
2019
revised:
16
09
2019
pubmed:
19
9
2019
medline:
19
9
2019
entrez:
19
9
2019
Statut:
ppublish
Résumé
Herein we report the use of a hue parameter of HSV (Hue, Saturation and Value) color space-in combination with chromaticity color coordinates-for exploring the complexation-induced luminescence color changes, ranging from blue to green to yellow to white, from a non-luminescent Fe-doped ZnS quantum dot (QD). Importantly, the surface complexation reaction helped a presynthesized non-luminescent Fe-doped ZnS QD to glow with different luminescence colors (such as blue, cyan, green, greenish-yellow, yellow) by virtue of the formation of various luminescent inorganic complexes (using different external organic ligands), while the simultaneous blue- and yellow-emitting complex formation on the surface of non-luminescent Fe-doped ZnS QD led to the generation of white light emission, with a hue mean value of 85 and a chromaticity of (0.28,0.33). Furthermore, the surface complexation-assisted incorporation of luminescence properties to a non-luminescent QD not only overcomes their restricted luminescence-based applications such as light-emitting, biological and sensing applications but also bring newer avenues towards unravelling the surface chemistry between QDs and inorganic complexes and the advantage of having an inorganic complex with QD for their aforementioned useful applications.
Identifiants
pubmed: 31532886
doi: 10.1002/asia.201901107
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
3823-3829Subventions
Organisme : Department of Science and Technology, Govt. of India
ID : DST/INSPIRE/04/2017/001910; IFA17-CH287
Informations de copyright
© 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
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