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Title 

Eco-friendly carbon-nanodot-based fluorescent paints for advanced photocatalytic systems

Authors 

S Y ParkH U LeeY C LeeSaehae ChoiDae Hyun ChoHee-Sik KimS BangS SeoS C LeeJ WonB C SonM YangJ Lee

Publisher 

Nature Publishing Group

Issue Date 

2015

Citation 

Scientific Reports, vol. 5, no. 0, pp. 12420-12420

Abstract 

Fluorescent carbon nanomaterials, especially zero-dimensional (0D) carbon nanodots (CDs), are widely used in broad biological and optoelectronic applications. CDs have unique characteristics such as strong fluorescence, biocompatibility, sun-light response, and capability of mass-production. Beyond the previous green CD obtained from harmful natural substances, we report a new type of fluid-based fluorescent CD paints (C-paints) derived from polyethylene glycol (PEG; via simple ultrasound irradiation at room temperatures) and produced in quantum yields of up to ∼14%. Additionally, C-paints possess a strong, UV-and visible-light-responsive photoluminescent (PL) property. Most especially, C-paints, by incorporation into a photocatalytic system, show additional roles in the emission of fluorescent light for activation of TiO2 nanoparticles (NPs) and the resultant detoxification of most organic dyes, thus further enabling embarkation in advanced water purification.

ISSN 

2045-2322

Link 

http://dx.doi.org/10.1038/srep12420

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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