Heat- and water-proof quantum dot/siloxane composite film: Effect of quantum dot-siloxane linkage

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We report on the effect of linkage between quantum dot (QD) and siloxane matrix by preparing two different QD/siloxane films. One has chemical linkages between QD and siloxane matrix, and the other has no chemical linkages between QD and siloxane matrix. The QD/siloxane (methacryl) film, which has the chemical linkages, exhibits no degradation of photoluminescence (PL) quantum yield (QY) under heat or moisture condition for over 1 month, while the QD/siloxane (epoxy) film, which has no linkages, shows drastic decreased of PL QY. The chemical linkages between QD and siloxane matrix that makes effective siloxane passivation layer intact on the surface of QDs in QD/siloxane (methacryl) film. Given its exceptional stability with the help of linkages between QD and siloxane matrix, we expect that the QD/siloxane (methacryl) film is best fitted in PL-type down-conversion layer for display applications.
Publisher
SOC INFORMATION DISPLAY
Issue Date
2017-02
Language
English
Article Type
Article
Keywords

LIGAND-EXCHANGE; IN-VIVO; LUMINESCENT; NANOCRYSTALLITES

Citation

JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY, v.25, no.2, pp.108 - 116

ISSN
1071-0922
DOI
10.1002/jsid.542
URI
http://hdl.handle.net/10203/224117
Appears in Collection
CBE-Journal Papers(저널논문)MS-Journal Papers(저널논문)
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