One-pot pyrolysis preparation of carbon dots as eco-friendly nanoadditives of water-based lubricants

A simple and low-cost bottom-up method for the preparation of water-soluble Carbon dots (CDs) by tuning the carbonization degree of ammonium citrate. The structure and morphology of CDs were characterized by Transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS). And the i...

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Bibliographic Details
Published in:Carbon (New York) 2019-11, Vol.152, p.511-520
Main Authors: Hu, Yiwen, Wang, Yongxin, Wang, Chunting, Ye, Yuwei, Zhao, Haichao, Li, Jinlong, Lu, Xiaojiang, Mao, Chunlong, Chen, Shanjun, Mao, Jinming, Wang, Liping, Xue, Qunji
Format: Article
Language:English
Subjects:
Additives
Carbon
Carbon dots
Coefficient of friction
Friction resistance
Lubricants
Lubrication
Molecular structure
Morphology
Nanomaterials
Photoelectrons
Pyrolysis
Transmission electron microscopy
Wear resistance
X ray photoelectron spectroscopy
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Summary:A simple and low-cost bottom-up method for the preparation of water-soluble Carbon dots (CDs) by tuning the carbonization degree of ammonium citrate. The structure and morphology of CDs were characterized by Transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS). And the investigation on the lubricating property and inhibition effect of CDs as nanoadditives of water-based lubricants is discussed in this work. The results show that the CDs as eco-friendly nanoadditives exhibit low friction coefficient, outstanding wear-resistance and excellent inhibition effect. [Display omitted]
ISSN:0008-6223
1873-3891
DOI:10.1016/j.carbon.2019.06.047