Journal
NANOMATERIALS
Volume 9, Issue 3, Pages -Publisher
MDPI
DOI: 10.3390/nano9030363
Keywords
nano-aggregates; diblock copolymer; fully flexible; white-light
Categories
Funding
- National Natural Science Foundation of China [51273096, 51473082]
- State Key Project of International Cooperation Research [2017YFE0108300, 2016YFE0110800]
- Program for Introducing Talents of Discipline to Universities (111 plan)
- 1st class disciplines of Shandong Province
- National One-Thousand Foreign Expert Program [WQ20123700111]
- 1st class discipline program of Materials Science of Shandong Province
- double hundred foreign expert project of Shandong Province(2018-2021)
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In this research contribution, nano-aggregates have been fabricated by introducing lanthanide (Ln(3+)) ions into solutions of amphiphilic diblock copolymers of polystyrene-b-poly (acrylic acid) (PS-b-PAA). The coordination of acrylic acid segments to lanthanide cations induces diblock copolymer (BCPs) self-assembly in order to design stable white luminescent hybrid nanoparticles with fine uniform particle size. The introduction of Ln(3+) ions (Eu3+ and Tb3+) bestows the micelles, precisely white light, upon excitation of 342 nm. Lanthanide coordination cross-linking of poly (acrylic acid) segments, or blocks, endows the micelles higher thermal stability than that of BCPs micelles without cross-linking. As the most important key point of this work, the regular and stable nano-particles with high emission quality can make fully flexible electroluminescent devices with self-formation or uncoordinated into polymer hosts. Instead of inorganic luminescent nanoparticles with hard cores, this method can potentially apply for fully flexible white-light emitting diodes (FFWLEDs).
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