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Issue 63, 2020, Issue in Progress
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Acetone-derived luminescent polymer dots: a facile and low-cost synthesis leads to remarkable photophysical properties

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Abstract

Carbon-based dots have been attracting much attention as potentially superior alternatives to more conventional semiconductor nanoparticles, due to their fascinating optical properties, chemical and photochemical stability, unique environmental-friendliness, and the versatility of fabrication routes. Many commercial materials and organic compounds have been considered so far as carbon precursors but in many cases the fabrication required high-temperature conditions or led to inhomogeneous final products. Here we report on a simple low-cost synthesis of non-conjugated carbon-rich polymer dots (PDs) that uses acetone as carbon precursor. Both hydrophilic and hydrophobic fractions of PDs were obtained, with the respective average diameters of 2–4 nm and ca. 6 nm. The as-obtained PDs reveal greenish-blue photoluminescence (PL) and high quantum yields (∼5–7%) and complex kinetics of the decays with the average lifetime of ∼3.5 ns. Such luminescent acetone-derived PDs may find application in several fields, including sensing and bioimaging.

Graphical abstract: Acetone-derived luminescent polymer dots: a facile and low-cost synthesis leads to remarkable photophysical properties

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Supplementary files

Article information


Submitted
08 Jul 2020
Accepted
10 Oct 2020
First published
19 Oct 2020

This article is Open Access

RSC Adv., 2020,10, 38437-38445
Article type
Paper

Acetone-derived luminescent polymer dots: a facile and low-cost synthesis leads to remarkable photophysical properties

S. G. Mucha, L. Firlej, J. Bantignies, A. Żak, M. Samoć and K. Matczyszyn, RSC Adv., 2020, 10, 38437
DOI: 10.1039/D0RA05957A

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