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		<doi>10.1007/s11051-020-05018-y</doi>
		<issn>1388-0764</issn>
		<citationkey>CorreiaWHDTTVCT:2020:CVNaSy</citationkey>
		<title>CVD-diamond nanoparticle synthesis for DLC film application</title>
		<year>2020</year>
		<month>Sept.</month>
		<typeofwork>journal article</typeofwork>
		<secondarytype>PRE PI</secondarytype>
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		<author>Correia, Rebeca Falcão Borja de Oliveira,</author>
		<author>Wachesk, Cristiane da Costa,</author>
		<author>Hurtado, Carolina R.,</author>
		<author>Damm, Djoille Denner,</author>
		<author>Taiariol, Thalita Sani,</author>
		<author>Tada, Dayane Batista,</author>
		<author>Vasconcelos, Getulio,</author>
		<author>Corat, Evaldo José,</author>
		<author>Trava-Airoldi, Vladimir Jesus,</author>
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		<group>LABAS-COCTE-INPE-MCTIC-GOV-BR</group>
		<group>LABAS-COCTE-INPE-MCTIC-GOV-BR</group>
		<affiliation>Universidade Federal de São Paulo (UNIFESP)</affiliation>
		<affiliation>Universidade Federal de São Paulo (UNIFESP)</affiliation>
		<affiliation>Universidade Federal de São Paulo (UNIFESP)</affiliation>
		<affiliation>Universidade Federal de São Paulo (UNIFESP)</affiliation>
		<affiliation>Universidade Federal de São Paulo (UNIFESP)</affiliation>
		<affiliation>Universidade Federal de São Paulo (UNIFESP)</affiliation>
		<affiliation>Instituto de Estudos Avançados (IEAv)</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<electronicmailaddress>rebeca.correia@inpe.br</electronicmailaddress>
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		<electronicmailaddress>evaldo.corat@inpe.br</electronicmailaddress>
		<electronicmailaddress>vladimir.airoldi@inpe.br</electronicmailaddress>
		<journal>Journal of Nanoparticle Research</journal>
		<volume>22</volume>
		<number>9</number>
		<pages>e293</pages>
		<secondarymark>A1_MEDICINA_VETERINÁRIA A1_MATERIAIS A1_INTERDISCIPLINAR A1_ENGENHARIAS_III A1_CIÊNCIAS_AGRÁRIAS_I A1_CIÊNCIA_DE_ALIMENTOS A2_QUÍMICA A2_NUTRIÇÃO A2_MEDICINA_I A2_FARMÁCIA A2_ENGENHARIAS_IV A2_ENGENHARIAS_II A2_BIOTECNOLOGIA B1_EDUCAÇÃO B1_CIÊNCIAS_BIOLÓGICAS_III B1_CIÊNCIAS_BIOLÓGICAS_II B1_ASTRONOMIA_/_FÍSICA B2_ENSINO C_CIÊNCIAS_BIOLÓGICAS_I</secondarymark>
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		<keywords>DLC film, DLC with diamond nanoparticles, CVD diamond nanoparticles, Aqueous colloidal solution, Pulsed valve, Coatings.</keywords>
		<abstract>t Diamond-like carbon (DLC) films have been extensively applied as a solid lubricant and as a protective coating due to their attractive chemical, mechanical, and tribological properties. Furthermore, these properties of DLC coatings can be improved with the incorporation of nanoparticles of different materials, especially diamond nanoparticles (DNPs). Herein, the incorporation of chemical vapor deposition (CVD) DNPs was done from a deionized aqueous colloidal solution by using a controlled pulsed valve, which is an innovative aspect of this work. The CVD DNPs were pulverized into the plasma region and incorporated in the DLC films bulk with controllable size particle distribution and density. In addition, an enhanced process to obtain DNPs with suitable size distribution was established by using a high energy ball milling technique, centrifugation, and a special chemical cleaning process. The DLC films were deposited on a metallic substrate via a modified, pulsed DC plasma-enhanced chemical vapor deposition (PECVD) technique, with an additional cathode. X-ray diffractometry (XRD) and scanning electronic microscopy (SEM) techniques showed that an aqueous colloidal solution of high-purity DNPs with a mean diameter of 32 nm was obtained. Dynamic light scattering (DLS) results showed that it is possible to control particle size distribution by varying the milling and centrifugation time lengths. Therefore, a valuable result was that DLC films could be deposited with DNPs by using clean water without affecting deposition rate, the adhesion between the DLC films and substrates, the structural quality of the film, and keeping lower coefficient of friction.</abstract>
		<area>FISMAT</area>
		<language>en</language>
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