Assembly of L-cys coated Quantum Dots-Au@Ag nanorods structure with fluorescence enhancement

DOI

10.2991/mebe-15.2015.167How to use a DOI?

Keywords

ligand exchange; low-cost; tunable; coupling; plamonic enhancement.

Abstract

In this paper, Au nanorods and Au@Ag nanorods were synthesized by seed –mediated growth process, and the Colloidal quantum dots CdSe/CdS/ZnS were produced by successive ion-layer absorption and reaction methods. A low-cost and practical ligand exchange of oil phase quantum dots and amino-functionalized Au@Ag nanorods was employed for the coupling process. The surface plasmonic peak is tunable by controllable operation and the photoluminescence peak of quantum dots can be adjusted to corresponding site by successive ion-layer absorption and reaction methods. This operation creates a good condition for plasmonic enhancement. By analysis of the time-resolved fluorescence intensity and the photoluminescence lifetime, we found the energy transfer of this structure. It’s a feasible method for coupling the metal nanorods with QDs.

Copyright

© 2015, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Xiaoming Lin
AU  - Renming Liu
AU  - Jiahua Li
AU  - Xuehua Wang
PY  - 2015/04
DA  - 2015/04
TI  - Assembly of L-cys coated Quantum Dots-Au@Ag nanorods structure with fluorescence enhancement
BT  - Proceedings of the 2015 International Conference on Materials, Environmental and Biological Engineering
PB  - Atlantis Press
SP  - 743
EP  - 747
SN  - 2352-5401
UR  - https://doi.org/10.2991/mebe-15.2015.167
DO  - 10.2991/mebe-15.2015.167
ID  - Lin2015/04
ER  -