2017
DOI: 10.3762/bjnano.8.242
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Au nanostructure fabrication by pulsed laser deposition in open air: Influence of the deposition geometry

Abstract: We present a fast and flexible method for the fabrication of Au nanocolumns. Au nanostructures were produced by pulsed laser deposition in air at atmospheric pressure. No impurities or Au compounds were detected in the resulting samples. The nanoparticles and nanoaggregates produced in the ablated plasma at atmospheric pressure led to the formation of chain-like nanostructures on the substrate. The dependence of the surface morphology of the samples on the deposition geometry used in the experimental set up wa… Show more

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Cited by 21 publications
(16 citation statements)
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“…11 Looking into the potential impact of this study, later on, in the last two decades, tremendous research were further projected by the scientific community with the aim to bring the nanofabrication method one step closer for practical applications and interesting results were reported. [11][12][13][14][15][16][17][18][19][20][21][22] Jadhav et al 12 performed a comparative study of graphite films produced in vacuum and air with the substrate at 50 and 2 to 3 mm, respectively, and laser fluence values of 10 and 20 J cm −2 . A nanocrystalline graphite film with superior field emission behavior was obtained in air compared to an amorphous film formed in vacuum.…”
Section: Introductionmentioning
confidence: 99%
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“…11 Looking into the potential impact of this study, later on, in the last two decades, tremendous research were further projected by the scientific community with the aim to bring the nanofabrication method one step closer for practical applications and interesting results were reported. [11][12][13][14][15][16][17][18][19][20][21][22] Jadhav et al 12 performed a comparative study of graphite films produced in vacuum and air with the substrate at 50 and 2 to 3 mm, respectively, and laser fluence values of 10 and 20 J cm −2 . A nanocrystalline graphite film with superior field emission behavior was obtained in air compared to an amorphous film formed in vacuum.…”
Section: Introductionmentioning
confidence: 99%
“…21 By varying the angle between the ablation plume and the substrate, the deposit obtained was different and the Au nanostructured nanocolumns of different sizes and densities were obtained. Gao et al 22 used the same approach and produced fluffy structured TiO 2 films on silicon with the particle size in the range of 1 to 100 nm. The formation of such structures was not surprising and is formed by the frequent collision of the ablated material with the ambient gas and is the characteristic of ablation at atmospheric pressure.…”
Section: Introductionmentioning
confidence: 99%
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“…Atmospheric PLD (APLD) techniques performed at greater target-substrate distances (and thus, lacking the "confinement" aspect of CAP) have been reported in many applications, generally requiring a significantly longer deposition time to achieve significant depositions [27,28], requiring for example 1800 pulses at 10Hz (i.e. 3 minutes) to deposit a very low density film across a 4mm diameter circular area [27].…”
Section: Introductionmentioning
confidence: 99%
“…Atmospheric PLD (APLD) techniques performed at greater target-substrate distances (and thus, lacking the "confinement" aspect of CAP) have been reported in many applications, generally requiring a significantly longer deposition time to achieve significant depositions [27,28], requiring for example 1800 pulses at 10Hz (i.e. 3 minutes) to deposit a very low density film across a 4mm diameter circular area [27]. Other variants of APLD have been demonstrated avoiding direct deposition from the ejected plume and making use of flowing gases or flowing plasmas to give greater uniformity of particle size and spacing than standard APLD [23].…”
Section: Introductionmentioning
confidence: 99%