Particle size control of silver nanoparticles prepared by pulsed wire discharge in liquid media

Tokoi, Yoshinori; Josho, Keisuke; Izuari, Y M; Suzuki, Tsuneo; Nakayama, Tadachika; Suematsu, Hisayuki; Lee, S W; Fu, Zhengyi; Niihara, Koichi

doi:10.1088/1757-899x/20/1/012008

Cited by 6 publications

(5 citation statements)

References 21 publications

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“…The factors affecting the nanoparticle growth rate are ambient gas pressure (P) and relative energy (K). In a typical synthesis process, Tokoi et al 60 synthesized Ag NPs by pulsed wire discharge in liquid medium. The size of nanoparticles obtained through this process was below 100 nm.…”

Section: Physical Methodsmentioning

confidence: 99%

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Conductive silver inks and their applications in printed and flexible electronics

et al. 2015

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Outline:Conductive inks are widely investigated area in the recent years due to its popularity in printed electronics (PE), flexible electronics (FE) and it comprises specific and unique applications which belong to a whole next level of future technology. In this context, silver is being acutely researched material for its encouraging application in conductive inks. In printing technology silver conductive inks has major role in electronic applications. The emerging integration of different technologies was silver nanoinks. In recent years printed electronics market is being dominated by expensive materials such as gold, platinum etc.which are costly/complex instruments, to overcome these drawbacks silver conductive inks can relieve the current technology. The present printed circuit boards (PCBs) manufactures use complex and expensive techniques to fabricate the circuit boards which in turn levitates the overall cost. Solvent based silver conductive inks are capable to substitute the PCB technology while reducing the cost of manufacturing. Due to its stellar reputation, investors are looking forward to apply this technology in printed electronics industries.2 planet. Silver conductive inks have silver in its nanoform which is an extensively engaging the nanotechnology.Silver in the nanometer range has predominantly occupied the interest of researchers since the beginning of the nanotechnology era. Silver was and is considered a prominent material;and even historically silver has its own importance. This novel material has been prospering in its applications ever since researchers focused on its study in the nanoscale. This led to a promising application in many fields of science and technology. The properties which make silver notable are that it is rare, strong, corrosion resistant, and unaffected by moisture. Silver is also resonant, moldable, malleable, and possesses the highest thermal and electric conductivity of any substance. Silver is one of the strongest oxidants, it is an essential catalyst for chemical process industry.Metal nanoparticles act as a key element in conductive inks. In nano range, silver has gained so much prominence that it does not require any special introduction about its enhanced properties possessed in the nanometer range. Silver nanoparticles (Ag NPs) have been synthesized using different types of approaches and each type of synthesis has its own advantages and disadvantages. Silver has unique and enhanced properties in the nanometer range by possessing highest electrical conductivity per unit volume when compared to any other metal, so it is expected to be used extensively in printed electronics technology. In this review we try to bring out the possible ways which were successful in synthesis of conductive ink derived from silver nanomaterial. This work is an attempt to understand the significance of silver based conductive inks and motivate researchers who opt to bring a change in future electronics. We focussed this review in gathering a brief preface of all the possible metho...

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Section: Physical Methodsmentioning

confidence: 99%

“…[60] synthesized Ag NPs by pulsed wire discharge in liquid medium. This method has advantages in high energy conversion efficiency and high production rate for nanoparticles preparation.…”

Section: Brief Introduction On Physical Synthesis Of Nanoparticlesmentioning

confidence: 99%

Conductive silver inks and their applications in printed and flexible electronics

et al. 2015

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“…Then, the metallic vapor/plasma is rapidly quenched due to the ambient gas/liquid medium and grows into nanoparticles via nucleation and agglomeration. By using this method, many kinds of nanoparticles have been prepared so far such as Cu, Al, Ag, Ni, and Mg. [18][19][20][21][22] Moreover, by utilizing different species of ambient gases, oxides and nitrides have been prepared. [23][24][25][26] Additionally, intermetallic nanoparticles have been prepared by twisting two kinds of metallic wires.…”

Section: Introductionmentioning

confidence: 99%

Preparation of boron nanoparticles by pulsed discharge of compacted powder

Hieu¹,

Chu²,

Tokoi³

et al. 2020

Jpn. J. Appl. Phys.

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In this study, a low-cost and simple method for the preparation of B nanoparticles is described. Based on the pulsed wire discharge method, a large pulsed current was discharged through 10 mg of B micro-sized powder to form B nanoparticles in Ar gas. A small amount of Cu and C impurities was detected due to the material of the electrodes and the heat-shrinkable tube. The prepared B nanoparticles were of a crystalline phase and their sizes were estimated to be less than 100 nm. To the authors' knowledge, this is the first realization of spherical crystalline B nanoparticles.

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“…Regarding the physical approach, the Pulsed wire explosion (PWE) is the prominent one, and extensive research was carried out in obtaining metal Nps, compared to other wide range of physical approaches available. PWE method yielded Cu Nps in a size range of < 100 nm (18) and Ag Nps in a range of < 50 nm (19). Also, other metals were synthesized using the PWE technique, for example, aluminum (20), tungsten (21), and alloys like Cu-Zn (22), and few others.…”

Section: Introductionmentioning

confidence: 99%

Reverse Engineering of Thin Films to Nanoparticles by Thermal Deposition for Large-Scale Production of Nanometals

Selvam

Wang

Inoue³

et al. 2020

JNanoR

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A simple method to synthesize metal nanoparticles (Nps) has been proposed using high vacuum thermal deposition (HVTD) by reverse engineering of thin films to Nps. Metal Nps synthesized by this technique corresponds to the top-down approach of nanomaterial synthesis from bulk metals of silver and copper wires to metal Nps. A high-vacuum thermal deposition is a commonly used technique for thin-film deposition in many applications. Synthesis of metal Nps by HVTD is simple, efficient, and can provide particle of about few tens of nanometers is effortless. A precoated thin layer of polyethylene glycol (PEG) on a glass substrate (Petri dish), is allowed deposit with a metallic thin film by thermionically evaporating bulk metal wires in high vacuum. The deposited metal thin film is removed along with the PEG coating into a liquid medium and subjected to sonication, stirring, and deoxidation. Obtaining the particle size in tens of nanometer range in one step is one projecting factor by HVTD technique. Also, providing the feasibility of reusing large particles as precursors after synthesis is a unique vantage point. The Nps were analyzed by various characterizations tools to evaluate the underlying properties.

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Particle size control of silver nanoparticles prepared by pulsed wire discharge in liquid media

Cited by 6 publications

References 21 publications

Conductive silver inks and their applications in printed and flexible electronics

Conductive silver inks and their applications in printed and flexible electronics

Preparation of boron nanoparticles by pulsed discharge of compacted powder

Reverse Engineering of Thin Films to Nanoparticles by Thermal Deposition for Large-Scale Production of Nanometals

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