Hydrothermal synthesis of zirconia-based nanocomposite powder reinforced by graphene and its application for bone scaffold with 3D printing

Shadianlou, Farzin; Foorginejad, Abolfazl; Yaghoubinezhad, Yadollah

doi:10.1016/j.apt.2021.103406

Cited by 8 publications

(10 citation statements)

References 62 publications

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“…One of the GO’s most essential peaks, which had completely disappeared in other diagrams, is CO (∼1721 cm –1 ), a main peak for characterizing the GO . The peak at about 3400 cm –1 was ascribed to O–H stretching vibration . Furthermore, the CH 2 and CH vibration peaks can be detected at ∼2950 and ∼2870 cm –1 , respectively, which are negligible in Ni–Se@rGO@NF and rGO@NF .…”

Section: Resultsmentioning

confidence: 99%

“…35 Then, the obtained suspension was poured into an autoclave for 1 day to perform a hydrothermal reduction at 180 °C. 36 Notably, the pressure of the autoclave was set at 13 bar. Subsequently, the rGO powder was separated from water by using a centrifuge for 20 min at 4000 rpm.…”

Section: Methodsmentioning

confidence: 99%

“…42 The peak at about 3400 cm −1 was ascribed to O−H stretching vibration. 36 Furthermore, the CH 2 and CH vibration peaks can be detected at ∼2950 and ∼2870 cm −1 , respectively, which are negligible in Ni−Se@rGO@NF and rGO@NF. 43 In addition, the peak at ∼1064 cm −1 is associated with the C−O alkoxy bond.…”

Section: Ftir Characterizationmentioning

confidence: 97%

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Optimization of Pulse Electrodeposited Ni–Se Electrode Modified by Hydrothermally Reduced Graphene Oxide via Response Surface Methodology toward Developing Water-Splitting Electrode

Bahrami,

Shahrabi,

Yaghoubinezhad

2023

ACS Appl. Energy Mater.

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In this paper, the design of experiments (DOE) optimization was carried out via response surface methodology (RSM) based on central composite design (CCD) to investigate the impact of four main pulse reverse electrodeposition factors involved in the deposition of hydrothermally reduced graphene oxide (rGO) on nickel foam (NF). Furthermore, optimization with the same method was performed on pH and Se/Ni ion source ratio to achieve the best electrolyte for cathodic pulse electrodeposition of Ni–Se on the optimized rGO@NF electrode. Therefore, a high reduction degree of GO was achieved via hydrothermal reduction before electrodeposition, which was further enhanced by cathodic reverse pulses. RSM revealed desirable models for both processes. The X-ray diffraction (XRD) investigation indicated an amorphous Ni–Se structure, which holds many advantages for electrocatalytic activity. Moreover, the optimized Ni–Se@rGO@NF exhibited coin-like nanostructures on the field emission scanning electron microscopy (FESEM) images, providing a highly exposed surface area. As demonstrated in electrochemical investigations, the optimized Ni–Se@rGO@NF required 63, 185 mV, and 1.509 V to attain 10 mA·cm–2 for HER, OER, and bifunctional water splitting, respectively. Moreover, an excellent Cdl value of 106.55 mFs n–1/cm2 for the Ni–Se@rGO@NF suggested a high accessibility of the optimized electrode.

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Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Optimization of Pulse Electrodeposited Ni–Se Electrode Modified by Hydrothermally Reduced Graphene Oxide via Response Surface Methodology toward Developing Water-Splitting Electrode

Bahrami,

Shahrabi,

Yaghoubinezhad

2023

ACS Appl. Energy Mater.

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“…Şekil 14'de Shadinanlou ve arkadaşlarının yaptıkları mekanik testlere ait görsel verilmiştir. Hidrotermal yöntemin düşk maliyetli ve toksik olmadığını raporlamışlardır [60].Şekil 14'de Shadinanlou ve arkadaşlarının yaptıkları mekanik test sonuçları ve SEM görselleri verilmiştir.…”

Section: şEkil 8 LI Ve Arkadaşlarının Elde Ettikleri Sonuçlar (Ac) Go...unclassified

“…Şekil 14. Shadinanlou ve arkadaşlarının yapmış oldukları kemik iskelelerine ait SEM görüntüleri ve basma dayanımı sonuçları [60].…”

Section: şEkil 8 LI Ve Arkadaşlarının Elde Ettikleri Sonuçlar (Ac) Go...unclassified

A New Type Of Graphene Based Bone Scaffold In Tissue Engineering

Kırkbınar¹,

İBRAHİMOĞLU>²,

Çalışkan³

2022

Düzce Üniversitesi Bilim Ve Teknoloji Dergisi

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The aim of bioimplant technology is to repair, repair or preserve damaged tissues and organs. Every year, many people want to fix/repair bones in skeletal defects caused by accidents or various diseases. For this reason, many different types of biomaterials have been used to create scaffolds on which new bone growth can take place. Hydroxyapatite, apatite-wollostonite, and carbon-based biomaterials have been used for this purpose. Scaffolds printed with carbon nanomaterials are a widely used group of biomaterials because of their commercial availability, mechanical stability, and biocompatibility.Carbon-based scaffolds demonstrate osteogenic differentiation, bone tissue regeneration, and efficient cell proliferation. Bone scaffolds are considered to be the basic building blocks for bone growth, regeneration, repair, differentiation, and adhesion in bone tissue cells in tissue engineering. Many carbon nanomaterials are available that act as skeletons. Carbon nanotubes, graphene, and fullerene are the main carbon-based materials that can be used as skeletons. Graphene and its derivatives are a 2D carbon-based material with remarkable physical, chemical, and biological properties. Graphene is of interest to the scientific community because of its excellent electrical conductivity, biocompatibility, surface area, and thermal properties. Graphene sheets have high mechanical strength and large specific surface area. In addition, it has been reported in the literature that graphene enhances stem cell differentiation and biomaterial properties. The conducted study examined the biocompatibility properties of graphene, current studies on the use of graphene as a biomaterial, and biosafety discussions for the clinical application of carbon-based materials.

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Advancing strategies towards the development of tissue engineering scaffolds: a review

2023

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Hydrothermal synthesis of zirconia-based nanocomposite powder reinforced by graphene and its application for bone scaffold with 3D printing

Cited by 8 publications

References 62 publications

Optimization of Pulse Electrodeposited Ni–Se Electrode Modified by Hydrothermally Reduced Graphene Oxide via Response Surface Methodology toward Developing Water-Splitting Electrode

Optimization of Pulse Electrodeposited Ni–Se Electrode Modified by Hydrothermally Reduced Graphene Oxide via Response Surface Methodology toward Developing Water-Splitting Electrode

A New Type Of Graphene Based Bone Scaffold In Tissue Engineering

Advancing strategies towards the development of tissue engineering scaffolds: a review

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