porous strontium chloride scaffolded by graphene

Advanced Materials Synthesis

The advanced materials synthesis group focuses on the design and fabrication of new materials to meet the changing needs of LLNL programs, particularly in the areas of high-energy-density science and renewable energy technologies. Our research efforts support a

Combustion synthesis of N

We demonstrate a novel method to prepare high-quality and uniform nitrogen-doped, three-dimensional, graphene networks through combustion of graphene oxide (GO)–nitrocellulose composites. The N-doped 3D graphene networks have tunable porous morphology and the pore size can be controlled by adjusting the concentration of GO in the nitrocellulose matrix. This new method is a simple method to

Synthesis of irregular graphene oxide tubes using green

2017/9/21Micrometer length tubes of graphene oxide (GO) with irregular form were synthesised following facile and green metal complexation reactions. These materials were obtained by crosslinking of GO with calcium, zinc or strontium chlorides at three different temperatures (24, 34 and 55C) using distilled water as solvent for the compounds and following a remarkably simple and low-cost synthetic

Fast Removal of Sr(II) From Water by Graphene Oxide

Graphene oxide is a unique material that can be used for adsorption of radioactive waste because it contains various function groups such as epoxide, carbonyl, carboxyl and hydroxyl in addition to its high specific surface area. The as-prepared GO and the modified one (GO-chitosan composite) have been prepared then characterized and used as adsorbent for radioactive metal ions [Strontium, Sr

Selective Adsorption and Efficient Removal of Phosphate

A three-dimensional adsorbent, i.e., lanthanum oxide decorated graphene composite (3D graphene–La2O3 composite), is prepared. The composite exhibits favorable adsorption performance to phosphate, providing a sorption capacity of 82.6 mg g–1 at pH 6.2. The adsorption behavior for phosphate fits the Langmuir model, and the adsorption kinetics fit a pseudo-second-order model, with

Applications and toxicity of graphene family

Liao J, Qu Y, Chu B, Zhang X, Qian Z. Biodegradable CSMA/PECA/graphene porous hybrid scaffold for cartilage tissue engineering. Sci Rep. 2015;5:9879. 55. Kumar S, Chatterjee K. Strontium eluting graphene hybrid nanoparticles augment osteogenesis in a 56.

Polyethylenimine functionalized and scaffolded graphene

2021/1/1A polyethylenimine (PEI)-scaffolded and functionalized graphene aerogel, PEI-GO-AG, was prepared and utilized as a highly selective adsorbent for the extraction of thorium (Th) (IV) from three lanthanides (Ln) (III) elements. The three dimensional (3D)-porous

Advanced Functional Materials: Early View

Novel porous strontium chloride (SrCl 2) scaffolded by graphene networks is designed and fabricated via a facile freeze‐casting process. The optimized porous SrCl 2 ‐reduced graphene oxide (rGO) composite demonstrates extraordinary structural stability and

Selective Adsorption and Efficient Removal of Phosphate

A three-dimensional adsorbent, i.e., lanthanum oxide decorated graphene composite (3D graphene–La2O3 composite), is prepared. The composite exhibits favorable adsorption performance to phosphate, providing a sorption capacity of 82.6 mg g–1 at pH 6.2. The adsorption behavior for phosphate fits the Langmuir model, and the adsorption kinetics fit a pseudo-second-order model, with

Mesoporous bioactive glass combined with graphene

Graphene for controlled and accelerated osteogenic differentiation of human mesenchymal stem cells. ACS nano. 2011;5:4670-8 20. Raucci MG, Giugliano D, Longo A, Zeppetelli S, Carotenuto G, Ambrosio L. Comparative facile methods for preparing graphene.

nanocomposites silver sulfidebismuth sulfide were

nanocomposites (silver sulfide/bismuth sulfide) were synthesized by the one step technique for the photocatalytic inactivation counter to Gram negative bacteria E. coli under the planetary light irradiation. The results showed that silver sulfide /bismuth sulfide nanocomposites instantaneously steady platelets and coralloid constituent part with fixed shape and exact scattering characteristic

Journal of The Electrochemical Society, Volume 167,

The 3D porous graphene facilitates the rapid migration of Li + and reduces the concentration polarization. Therefore, the sample exhibits a high capacity of 205 mAh g −1 at 0.1 C with more than 91% of the theoretical capacity and excellent rate performance of 135.8 mAh g −1 at 6 C.

Materials Research Express, Volume 7, Number 10, October

Porous polydimethylsiloxane (PDMS) foam prepared by the sacial template method and graphene as raw materials were used to prepare a flexible pressure sensor with wide working range (0–100 kPa), ultra-high sensitivity (the average sensitivity in the range

Polyethylenimine functionalized and scaffolded graphene

2021/1/1A polyethylenimine (PEI)-scaffolded and functionalized graphene aerogel, PEI-GO-AG, was prepared and utilized as a highly selective adsorbent for the extraction of thorium (Th) (IV) from three lanthanides (Ln) (III) elements. The three dimensional (3D)-porous

nanocomposites silver sulfidebismuth sulfide were

nanocomposites (silver sulfide/bismuth sulfide) were synthesized by the one step technique for the photocatalytic inactivation counter to Gram negative bacteria E. coli under the planetary light irradiation. The results showed that silver sulfide /bismuth sulfide nanocomposites instantaneously steady platelets and coralloid constituent part with fixed shape and exact scattering characteristic

Materials Research Express, Volume 7, Number 10, October

Porous polydimethylsiloxane (PDMS) foam prepared by the sacial template method and graphene as raw materials were used to prepare a flexible pressure sensor with wide working range (0–100 kPa), ultra-high sensitivity (the average sensitivity in the range

A Study on Physical Performance for Poly(L

The organic-inorganic hybrid layered strontium phenylphosphonate (SrP) was synthesized by using strontium chloride and phenylphosphinic acid. And the influence of layered SrP on the crystallization behavior and thermal stability of poly(L-lactic acid) (PLLA) was investigated through DSC, XRD, and TGA. Both DSC and XRD results demonstrated that layered SrP had the powerful accelerated ability

Colloidal Drop Deposition on Porous Substrates:

Laser-induced breakdown spectroscopy using a porous silicon substrate produced by metal-assisted etching: microanalysis of a strontium chloride aqueous solution as an example. Journal of Analytical Atomic Spectrometry 2020, 35 (10), 2239-2247.

Enhanced adsorption capacity and selectivity towards

Enhanced adsorption capacity and selectivity towards strontium ions in aqueous systems by sulfonation of CO 2 derived porous carbon† S. Baik a, H. Zhang b, Y. K. Kim a, D. Harbottle * b and J. W. Lee * a a Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro (373-1 Guseong-dong), Yuseong-gu, Daejeon 34141, Republic

The structural and bioactive behaviour of strontium

XRD analysis Figure 1a–d shows the XRD patterns of common and various wt% strontium ions loaded titanium dioxide nanorod arrays.Figure 1a represents the X-ray diffraction pattern of common titanium dioxide nanorods (control) that reveals diffraction peaks at 2θ values of 38.14, 52.66, 70.36, 75.96 are ascribed to (112), (202), (220), (301) plane of anatase form of titanium dioxide (JCPDS

Bridging the Gap between Macroscopic and

Metal sorption mechanisms were investigated for strontium, cobalt, and lead using sodium chloride, sodium nitrate, and sodium perchlorate as background electrolytes and quartz as the adsorbent. Spectroscopic analyses of concentrated sorption samples were evaluated for their ability to provide insight into the controlling sorption process for more dilute systems. For strontium, outer-sphere

Fabrication of strontium

2020/10/6The use of porous three-dimensional (3D) bioceramic scaffolds to facilitate the regeneration of bone defects has attracted great attention because their structures closely mimic the natural extracellular matrix. 3D printing is a versatile method for the fabrication of 3D scaffolds. In this study, 3D strontium-substituted hydroxyapatite (Sr-HA) bioceramic scaffolds were prepared by simple

High

2015/9/1Three dimensional graphenes are most desired to deliver the unique nano-sized properties of graphenes to the macro-scale, yet their practical production remains insufficient. Herein we establish a general synthesis approach, i.e. ammonium-assisted chemical blowing via foaming sucrose into the bubble networks of sucrose-derived polymers, to effectively produce three dimensional strutted

Enhanced adsorption capacity and selectivity towards

Enhanced adsorption capacity and selectivity towards strontium ions in aqueous systems by sulfonation of CO 2 derived porous carbon† S. Baik a, H. Zhang b, Y. K. Kim a, D. Harbottle * b and J. W. Lee * a a Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro (373-1 Guseong-dong), Yuseong-gu, Daejeon 34141, Republic

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