Synthesis of magnetic nanoparticles by pulsed laser ablation

Franzel, Louis; Bertino, Massimo F.; Huba, Zachary J.; Carpenter, Everett E.

doi:10.1016/j.apsusc.2012.08.010

Cited by 52 publications

(28 citation statements)

References 24 publications

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“…The most common methods of nanostructures synthesis are broadly classified into physical and chemical methods. Some of the physical methods are pulsed laser ablation [136][137][138], laser deposition and matrix assisted pulsed laser evaporation (MAPPLE) [130,139], and ball milling [133][134][135], while the chemical methods are chemical precipitation [140][141][142], sonoelectrochemical synthesis [143][144][145][146][147][148], spray pyrolysis [149,150], chemical vapour deposition [151][152][153] and thermal decomposition [154]. Details on other methods under these categories can be found in the past 24 publications [38,155,156].…”

Section: Methods Of Preparation Of Nanoparticles and Nanofluidsmentioning

confidence: 99%

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The Viscosity of Nanofluids: A Review of the Theoretical, Empirical, and Numerical Models

Meyer

Adio

Sharifpur

et al. 2015

Heat Transfer Engineering

198

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The enhanced thermal characteristics of nanofluids have made it one of the fastest-growing research areas in the last decade. Numerous researches have shown the merits of nanofluids in heat transfer equipment. However, one of the problems is the increase in viscosity due to the suspension of nanoparticles. This viscosity increase is not desirable in the industry, especially when it involves flow, such as in heat exchanger or micro-channel applications INTRODUCTIONColloidal suspension dates back to Maxwell's study in 1873 [1]. Though the idea behind his study was vivid, the imposed problems were too enormous for profitable engineering solutions [2]. In 1995, Choi [3] came up with a pioneering idea based on Maxwell's study and suspended ultrafine particles (nanoparticles) in conventional heat transfer fluids. His invention has opened up a myriad of opportunities in research and development. Nanofluids descriptively are colloidal suspensions containing metallic (Ag, Au, Al, Cu, Ni, etc.), non-metallic (single-and multi-wall carbon nanotube (SWCNT and MWCNT), Si, Graphene, etc.), metallic oxide (Al2O3, CuO, NiO2,TiO2, etc.) and oxides of non-metals (SiO2, SiC, MgO, CaCO3, etc.) nanoparticles suspended in conventional heat transfer fluids such as water, engine oil, ethylene glycol, transformer oil, gear oil or mixture of two or more heat transfer fluids [2,3]. When compared with previous microparticle suspensions in conventional heat transfer fluids, it is a special type of fluid with numerous applications potentials because of its enhanced thermal conductivity, stability and homogeneity [3,4]. Microscale particles in suspensions lead to abrasion, clogging of flow paths, pressure drop and high pumping power requirements, therefore, its sustainability was impossible. Besides, nanofluids can reduce the pumping power in engineering equipment significantly and do not pose the problem of clogging and abrasion of equipment flow paths [5][6][7][8]. Therefore, the design and engineering of physical systems are now being tailored towards using nanofluid as working fluid.The impact of colloidal suspension cuts across the fields of science, biological science, medical, pharmaceutical and engineering. In the context of sustainable energy development and thermal management, nanofluids are becoming more and more significant as the need for efficient thermal management is of paramount importance. Moreover, the level of miniaturisation of devices today as technology advances is overwhelming. Devices such as microprocessors, microelectromechanical systems (MEMS), nanoelectromechanical systems (NEMS), microchannels and lab-on-chips come with high-density heat flux that needs quick heat removal for 3 efficient performance, stability and durability, which, from all indications, could be provided by nanofluids for now [9][10][11][12]. The following are also emerging areas of applications of nanoparticles and nanofluids: (i) they could be useful in medicine in the targeted treatment of malignant cells without damaging healthy tis...

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Section: Methods Of Preparation Of Nanoparticles and Nanofluidsmentioning

confidence: 99%

“…However, due to the different processes of nanoparticle preparation [136,156], the most correct opinion is that nanoparticles always carry charges and in the absence or reduced strength of EVE, there will be pH domination of the viscosity evolution in the nanofluid, which may further the enhancement of cluster formation (i.e. agglomeration of nanoparticles).…”

mentioning

confidence: 99%

The Viscosity of Nanofluids: A Review of the Theoretical, Empirical, and Numerical Models

Meyer

Adio

Sharifpur

et al. 2015

Heat Transfer Engineering

198

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“…[8] Thus, PLAL enables to create av ariety of nanomaterials choosing the right laser parameters and liquid solvent. [10] investigated the magneticp roperties of particles generated from ap ure iron plate in water and ethanol, respectively.B oth found that the NPs possessed ah igh saturation magnetization. On the one hand, Amendola et al [9] and Franzele tal.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of Magnetic Nanoparticles by Ultrashort Pulsed Laser Ablation of Iron in Different Liquids

et al. 2017

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Magnetic nanoparticles were generated by ultrashort pulsed laser ablation of an iron target in water, methanol, ethanol, acetone and toluene. The relationship between ablation rate, liquid properties and the physical and chemical properties of the nanoparticles was studied. Composition, morphology and magnetic properties were investigated by TEM, XPS and vibrating-sample (VSM) and SQUID magnetometry. The properties of the generated nanoparticle ensembles reflected the influence of the liquid environment on the particle formation process. For example, the composition was strongly dependent on the carbon to oxygen ratio within the molecules of the liquid. In contrast to short pulsed laser ablation in liquids, the nanoparticles generated by ultrashort pulses had a higher level of polycrystallinity.

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“…The past decade has witnessed tremendous applications of MNP in biomedicine and bioanalytical sciences [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15] as they can be manipulated by magnetic field. The most prominent applications are the treatment of cancer [1], drug delivery [3][4][5], magnetic resonance imaging (MRI) [3,6,7], magnetic assays [8,15] and theragnostics [9].…”

mentioning

confidence: 99%

“…On the other hand, MNP with a magnetic core (Fe or Co) but with a nonreactive shell such as graphene have been recently developed and demonstrated to have higher chemical stability (in acidic and basic solution, and organic solvents), and higher magnetization. The most common techniques for MNP synthesis [10][11][12] include co-precipitation, thermal decomposition, microemulsion, aerosol/vapour methods, sol-gel reaction, polyol method, flow injection synthesis, flame spray pyrolysis, laser pyrolysis, pulsed laser ablation [13], electrochemical methods, sonolysis, magnetotactic bacteria, and other wet chemistries. Co-precipitation is the most extensively used and most convenient method for the synthesis of ferrite NPs of controlled sizes and magnetic properties.…”

mentioning

confidence: 99%

Magnetic Nanoparticles-Based Biomedical and Bioanalytical Applications

Vashist¹

2013

J Nanomedic Nanotechnol

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Synthesis of magnetic nanoparticles by pulsed laser ablation

Cited by 52 publications

References 24 publications

The Viscosity of Nanofluids: A Review of the Theoretical, Empirical, and Numerical Models

The Viscosity of Nanofluids: A Review of the Theoretical, Empirical, and Numerical Models

Synthesis of Magnetic Nanoparticles by Ultrashort Pulsed Laser Ablation of Iron in Different Liquids

Magnetic Nanoparticles-Based Biomedical and Bioanalytical Applications

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