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Tribological Anti-Wear and Extreme-Pressure Performance of Multifunctional Metal and Nonmetal Doped C-based Nanodots

Tribology Department, Institute for Sustainable Technologies—National Research Institute (ITeE-PIB), 26-600 Radom, Poland
AC2T research GmbH, 2700 Wiener Neustadt, Austria
Bar-Ilan Institute for Nanotechnology and Advanced Materials, Department of Chemistry, Bar-Ilan University, 52900 Ramat-Gan, Israel
Division of Chemistry, Nuclear Research Center-Negev, P.O. Box 9001, 84190 Be’er-Sheva, Israel
Institutes of Applied Research, Ben-Gurion University of the Negev, 841051 Be’er-Sheva, Israel
Authors to whom correspondence should be addressed.
Lubricants 2019, 7(4), 36;
Received: 7 March 2019 / Revised: 8 April 2019 / Accepted: 18 April 2019 / Published: 23 April 2019
(This article belongs to the Special Issue Recent Research in Nanolubricants)
PDF [5019 KB, uploaded 26 April 2019]


Carbon nanodots (CDs) are extensively explored due to their low toxicity, excellent water solubility and biocompatibility. Particularly, fluorescent CDs have received ever-increasing attention. Nevertheless, only a few works have been published on measuring the tribological properties of doped CDs, especially Ga doped CDs (Ga@CDs) and nitrogen doped CDs (N@CDs), and comparing their tribological properties with those of pristine CDs. In this work we describe a simple one-pot synthesis of CDs and doped CDs, and examine their tribological properties as potential lubricants. It is suggested that doping of CDs with various elements can give them desired properties for anti-wear and extreme-pressure performances. View Full-Text
Keywords: Carbon-Dots; metal-doped carbon-dots; tribology Carbon-Dots; metal-doped carbon-dots; tribology

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Tomala, A.M.; Bhooshan Kumar, V.; Porat, Z.; Michalczewski, R.; Gedanken, A. Tribological Anti-Wear and Extreme-Pressure Performance of Multifunctional Metal and Nonmetal Doped C-based Nanodots. Lubricants 2019, 7, 36.

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