Spectroscopic studies of electrophoretically deposited hybrid HAp/CNT coatings on titanium

Długoń, E.; Niemiec, Wiktor; Frączek-Szczypta, Aneta; Jeleń, Piotr; Sitarz, Maciej; Błażewicz, M.

doi:10.1016/j.saa.2014.06.064

Cited by 25 publications

(24 citation statements)

References 23 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This is in accordance with our previous studies which have shown high bioactivity of such nanotubes in contact with cells as well as in other bioactivity tests. 25,26 The results indicate that such modification of the biocompatible titanium surface significantly improves its biological properties and demonstrate the usefulness of such approach. Figure 7 shows cell morphology on the surface of titanium and CNT-modified titanium after 7 days.…”

Section: Mechanical Analysismentioning

confidence: 72%

Carbon nanotube-based coatings on titanium

et al. 2015

View full text Add to dashboard Cite

This paper reports results of the modification of titanium surface with multiwalled carbon nanotubes (CNTs). The Ti samples were covered with CNTs via electrophoretic deposition (EPD) process. Prior to EPD process, CNTs were functionalized by chemical treatment. Mechanical, electrochemical and biological properties of CNT-covered Ti samples were studied and compared to those obtained for unmodified titanium surface. Atomic force microscopy was used to investigate the surface topography. To determine micromechanical characteristics of CNT-covered metallic samples indentation tests were conducted. Throughout electrochemical studies were performed in order to characterize the impact of the coating on the corrosion of titanium substrate. In vitro experiments were conducted using the human osteoblast NHOst cell line. CNT layers shielded titanium from corrosion gave the surface-enhanced biointegrative properties. Cells proliferated better on the modified surface in comparison to unmodified titanium. The deposited layer enhanced cell adhesion and spreading as compared to titanium sample.

show abstract

Section: Mechanical Analysismentioning

confidence: 72%

Carbon nanotube-based coatings on titanium

et al. 2015

View full text Add to dashboard Cite

show abstract

“…The biocompatibility of CNTs in orthopedic applications was established by in vitro studies, which showed accelerated bone growth and increased proliferation and differentiation of osteoblasts [5][6][7][8][9][10]. The most popular kind of metal substrate for CNTs is titanium [3,[11][12][13][14][15][16][17][18], which combines some beneficial mechanical properties and biocompatibility with a chemical in vivo susceptibility [11]. Several studies evaluated the body's reaction in the presence of carbon nanotubes, demonstrating a high vitality of osteoblasts compared to the pure titanium substrate [14][15][16]19].…”

Section: Introductionmentioning

confidence: 99%

Comparison of Properties of the Hybrid and Bilayer MWCNTs—Hydroxyapatite Coatings on Ti Alloy

et al. 2019

View full text Add to dashboard Cite

Carbon nanotubes are proposed for reinforcement of the hydroxyapatite coatings to improve their adhesion, resistance to mechanical loads, biocompatibility, bioactivity, corrosion resistance, and antibacterial protection. So far, research has shown that all these properties are highly susceptible to the composition and microstructure of coatings. The present research is aimed at studies of multi-wall carbon nanotubes in three different combinations: multi-wall carbon nanotubes layer, bilayer coating composed of multi-wall carbon nanotubes deposited on nanohydroxyapatite deposit, and hybrid coating comprised of simultaneously deposited nanohydroxyapatite, multi-wall carbon nanotubes, nanosilver, and nanocopper. The electrophoretic deposition method was applied for the fabrication of the coatings. Atomic force microscopy, scanning electron microscopy and X-ray electron diffraction spectroscopy, and measurements of water contact angle were applied to study the chemical and phase composition, roughness, adhesion strength and wettability of the coatings. The results show that the pure multi-wall carbon nanotubes layer possesses the best adhesion strength, mechanical properties, and biocompatibility. Such behavior may be attributed to the applied deposition method, resulting in the high hardness of the coating and high adhesion of carbon nanotubes to the substrate. On the other hand, bilayer coating, and hybrid coating demonstrated insufficient properties, which could be the reason for the presence of soft porous hydroxyapatite and some agglomerates of nanometals in prepared coatings.

show abstract

“…At present, HAp/CNTs nanocomposites are fabricated by many techniques. [5][6][7][8][9][10][11] Among them, electrodeposition is proposed as an attractive and promising technique to fabricate HAp/CNTs coatings on the surface of metals or alloys. This method has many advantages such as low synthesis temperature and controlled coating thickness.…”

Section: Introductionmentioning

confidence: 99%

Characterization of hydroxyapatite/carbon nanotubes coatings on Ti6Al4V

Thơm

Năm

Trang

et al. 2018

Vietnam Journal of Chemistry

View full text Add to dashboard Cite

Carbon nanotubes (CNTs) possess excellent mechanical properties for their role playing in reinforcement as imparting strength to hydroxyapatite (HAp) coating. This work reports the electrodeposition of HAp/CNTs coatings on Ti6Al4V substrate at scanning potentials range of 0÷‐2.0 V/SCE, 5 mV/s, 5 scans at 45°C with the different functionalized CNTs concentration. The characterizations of the coatings were investigated. The amount of functionalized CNTs was determined using thermal gravimetric analysis. The X‐ray diffraction results showed that HAp/CNTs nanocomposite coatings were composed of HAp and CNTs. The diffraction peak with the highest intensity found at 2θ about 32o corresponding to the (2 1 1) HAp crystal and the peak at 26.3o can be assigned to (0 0 2) plane of CNTs. The HRTEM image confirmed the presence of CNTs in the coatings and CNTs amount of 7.25 % by TGA result.

show abstract

Spectroscopic studies of electrophoretically deposited hybrid HAp/CNT coatings on titanium

Cited by 25 publications

References 23 publications

Carbon nanotube-based coatings on titanium

Carbon nanotube-based coatings on titanium

Comparison of Properties of the Hybrid and Bilayer MWCNTs—Hydroxyapatite Coatings on Ti Alloy

Characterization of hydroxyapatite/carbon nanotubes coatings on Ti6Al4V

Contact Info

Product

Resources

About