Abstract

A core-shell structure of novel complex conjugated polymer nanoparticles (CPNs) consisting of poly(2-methoxy,5-(2’-ethylhexyloxy)-1,4-phenylenevinylene), polyethyleneimine (PEI) is developed. PEI is used to construct CPN@PEI core-shell structure through electrostatic attraction, and shell thickness can be controlled by PEI. Small Au–Ag alloy nanoparticles (ANPs) are then inserted into CPN@PEI core-shell structure to plasmonically tune luminescence properties. The coupling structure with double polymer core-shell CPN@PEI and ANPs presents unique luminescent characters, and maximum luminescence enhancement is realized when shell thickness is 8.6 nm. The strategies taking polymer as shell material in construction of core-shell complex CPNs and tuning optical properties by ANPs shall have significant values in applications of CPNs as probes and fluorescent tags in biological science.

© 2017 Optical Society of America

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Corrections

Jiawei Lang, Pengqi Lu, Gang Bi, Chunfeng Cai, and Huizhen Wu, "Plasmon-enhanced luminescence in novel complex conjugated polymer nanoparticles: publisher’s note," Opt. Lett. 43, 231-231 (2018)
https://www.osapublishing.org/ol/abstract.cfm?uri=ol-43-2-231

19 December 2017: A typographical correction was made to the author affiliations.


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