Control over the wettability of amorphous carbon films in a large range from hydrophilicity to super-hydrophobicity

Zhou, Ying; Wang, B.; Song, Xuemei; Li, E.; Li, G.; Zhao, Shuangjie; Yan, Hui

doi:10.1016/j.apsusc.2006.05.118

Cited by 87 publications

(51 citation statements)

References 23 publications

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“…It is apparent that the modification of the surface properties and associated hydrophobic/hydrophilic character [22,32] may be associated with variation of surface energy arising out of the different carbon hybridized states. Strong covalent character of sp 3 -terminated surface would culminate in high surface energy compared to that of sp 2 -terminated surface as sp 2 -bonded graphite would exhibit weak polarity for its dangling bonds.…”

Section: Hydrophobic Characteristicsmentioning

confidence: 99%

Hydrophobicity in DLC films prepared by electrodeposition technique

Paul

Dalui

Das

et al. 2008

Applied Surface Science

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Section: Hydrophobic Characteristicsmentioning

confidence: 99%

Hydrophobicity in DLC films prepared by electrodeposition technique

Paul

Dalui

Das

et al. 2008

Applied Surface Science

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“…Ramsey et al [19] recorded a C A value of 88° for CN x thin film which is the highest reported so far. Surface modification resulting in materials with low surface energy has been utilised to control hydrophobic properties [20,21]. Since surface energy is an intrinsic property of material, it is Page 4 of 26 A c c e p t e d M a n u s c r i p t 4 easier to manipulate other factors such as morphological structure, roughness and chemical bonding properties to control the hydrophobic behaviour of materials.…”

Section: Introductionmentioning

confidence: 99%

Wetting behaviour of carbon nitride nanostructures grown by plasma enhanced chemical vapour deposition technique

Kamal

Ritikos

Rahman

2015

Applied Surface Science

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“…Recently, it was shown that the modification of the inherent surface topography of carbon films on the nano-scale by proper adjusting of the deposition process and kinetics can strongly impact the wetting behaviour. [43] Similar or complementary effects were achieved through creating an artificial micro-or nano-scale surface topography by laser-patterning or plasma-etching or by subsequent thermal processing of carbon coatings. [44][45][46] From the biological perspective, the competitive adsorption of several plasma proteins (albumin, fibrinogen, globulins, complement factors and others) is the initial event in blood/biomaterial interaction.…”

mentioning

confidence: 98%

Surface Topography, Surface Energy and Wettability of Magnetron‐Sputtered Amorphous Carbon (a‐C) Films and Their Relevance for Platelet Adhesion

Stüber¹,

Niederberger²,

Danneil³

et al. 2007

Adv Eng Mater

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Diamond-like carbon (DLC) and amorphous carbon (a-C, a-C:H) coatings, respectively, have been proposed since many years as potential materials for biomedical applications due to their chemical inertness, low friction coefficient, high wear resistance, bio-and haemocompatibility. [1][2][3][4][5][6] The feasibility of amorphous carbon coatings was investigated for a variety of applications like surgical needles, [2] orthopaedic implants and prostheses, [7][8][9][10][11] medical guidewires, [12][13][14][15] coronary artery stents [16,17] and also for mechanical heart valve replacement and other solid implants. [18][19][20][21][22][23] The functionality, performance and durability of artificial surfaces in vivo are determined and often limited by their interaction with blood or tissue. However, the coagulation mechanism of blood on amorphous carbon (DLC) films in such a biomedical environment is not understood in detail even if the biocompatibility of DLC coatings was described early by many reports. [1,3,[24][25][26] Extensive information on individual aspects, like protein adsorption, platelet adhesion and activation on carbonaceous surfaces has been accumulated in the literature. [27][28][29] Since a few years more sophisticated approaches to the scientific understanding of the complex interaction of blood and inorganic surfaces are emerging by addressing this field through fundamental and interdisciplinary research efforts offering synoptical views based on materials science, chemistry, biology, physics, physical chemistry and medicine. [30][31][32] Main factors have been recognised to influence significantly the cell adhesion and interaction on amorphous carbon: these include the constitution of the carbon films and the fraction of the sp 3 bonds, [12,30] the surface energy and hydrophobicity, [27] and the surface roughness and topography. [26,31] The properties of a-C and DLC coatings, especially the biofunctional ones, can further be modified by incorporating other elements in the coatings, such as H, N, F, P, Si and metals. [4,5,[33][34][35][36][37][38][39] It is well known that the incorporation of additional elements into an amorphous carbon matrix has a very strong impact on the surface energy and wettability of such coatings. [40][41][42] Combining various surface modification methods should thus offer new tools for a future engineering design of biofunctional thin film materials, covering a wide range of properties, for example from strongly hydrophilic to extremely hydrophobic. Recently, it was shown that the modification of the inherent surface topography of carbon films on the nano-scale by proper adjusting of the deposition process and kinetics can strongly impact the wetting behaviour. [43] Similar or complementary effects were achieved through creating an artificial micro-or nano-scale surface topography by laser-patterning or plasma-etching or by subsequent thermal processing of carbon coatings. [44][45][46] From the biological perspective, the competitive adsorption of several plasma proteins (al...

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Control over the wettability of amorphous carbon films in a large range from hydrophilicity to super-hydrophobicity

Cited by 87 publications

References 23 publications

Hydrophobicity in DLC films prepared by electrodeposition technique

Hydrophobicity in DLC films prepared by electrodeposition technique

Wetting behaviour of carbon nitride nanostructures grown by plasma enhanced chemical vapour deposition technique

Surface Topography, Surface Energy and Wettability of Magnetron‐Sputtered Amorphous Carbon (a‐C) Films and Their Relevance for Platelet Adhesion

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