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Issue 81, 2016
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Design and assembly of an aqueous red CdTe QD-LED: major factors to fabricate aqueous QD-LEDs

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Abstract

The first aqueous red CdTe QD-LED was fabricated with the structure of ITO/PEDOT:PSS/PVK/CdTe QDs/ZnO/Al. The device has been considered to be an advanced aqueous QD-LED, which demonstrated a turn-on voltage of about 5 V. Further, its current density and brightness would also reach 92 mA cm−2 and 58 cd m−2 at the voltage of 10 V. Moreover, we found that there were two essential factors for fabricating an aqueous QD-LED successfully: (1) adding wet agent to the QD solution, (2) removing the composite ions remaining in the QD solution. Meanwhile, the EL intensity of the aqueous QD-LEDs will perform better if the solution of QDs is acidic. These results offer a promising approach to the further development of aqueous QD-LEDs.

Graphical abstract: Design and assembly of an aqueous red CdTe QD-LED: major factors to fabricate aqueous QD-LEDs

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Publication details

The article was received on 15 Jun 2016, accepted on 30 Jul 2016 and first published on 01 Aug 2016


Article type: Paper
DOI: 10.1039/C6RA15558H
RSC Adv., 2016,6, 77963-77967

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    Design and assembly of an aqueous red CdTe QD-LED: major factors to fabricate aqueous QD-LEDs

    J. Du, S. Xu, C. Wang, J. Pan, J. Chen, L. Zhu, C. Lv and Y. Cui, RSC Adv., 2016, 6, 77963
    DOI: 10.1039/C6RA15558H

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