期刊
NANOSCALE
卷 9, 期 34, 页码 12549-12555出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7nr03200e
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资金
- Royal Society [IE131713]
- Ministry of Science and Technology (MOST) of Taiwan [MOST-103-2112-M-259-001-MY3]
- Taiwan-UK exchange program [MOST-103-2911-I-259-501]
- EPSRC Centre for Doctoral Training in Diamond Science and Technology [EP/L015315/1]
- EPSRC [EP/K007459/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [1654300] Funding Source: researchfish
In this paper, the origin of positive zeta potential exhibited by nanodiamond particles is explained. Positive zeta potentials in nano-structured carbons can be explained by the presence of graphitic planes at the surface, which leave oxygen-free Lewis sites and so promotes the suppression of acidic functional groups. Electron Microscopy and Raman Spectroscopy have been used to show that positive zeta potential of nanodiamond is only exhibited in the presence of sp(2) carbon at the surface.
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