Recent progress in the synthesis of silver nanowires and their role as conducting materials

Fahad, Shah; Yu, Haojie; Zain‐ul‐Abdin,; Haroon, Muhammad; Ullah, Raja Summe; Nazir, Ahsan; Naveed, Kaleem‐ur‐Rahman; Elshaarani, Tarig; Khan, Amin

doi:10.1007/s10853-018-2994-9

Cited by 52 publications

(29 citation statements)

References 129 publications

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“…Currently, the most common method for the synthesis of AgNWs is through the polyol process, in which ethylene glycol is usually used as the solvent and reducing agent, PVP as the capping agent, and in the presence of a small amount of salt mediator. This method is being used to synthesize AgNWs in large commercial scales and has proved to be simple and able to provide relatively proper control over morphology and aspect ratio [ 362 ]. The synthesis of AgNWs by the polyol approach was first introduced in 2002 by Xia’s group [ 363 ].…”

Section: Reviewmentioning

confidence: 99%

A review on the green and sustainable synthesis of silver nanoparticles and one-dimensional silver nanostructures

Kaabipour¹,

Hemmati²

2021

Beilstein J. Nanotechnol.

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The significance of silver nanostructures has been growing considerably, thanks to their ubiquitous presence in numerous applications, including but not limited to renewable energy, electronics, biosensors, wastewater treatment, medicine, and clinical equipment. The properties of silver nanostructures, such as size, size distribution, and morphology, are strongly dependent on synthesis process conditions such as the process type, equipment type, reagent type, precursor concentration, temperature, process duration, and pH. Physical and chemical methods have been among the most common methods to synthesize silver nanostructures; however, they possess substantial disadvantages and short-comings, especially compared to green synthesis methods. On the contrary, the number of green synthesis techniques has been increasing during the last decade and they have emerged as alternative routes towards facile and effective synthesis of silver nanostructures with different morphologies. In this review, we have initially outlined the most common and popular chemical and physical methodologies and reviewed their advantages and disadvantages. Green synthesis methodologies are then discussed in detail and their advantages over chemical and physical methods have been noted. Recent studies are then reviewed in detail and the effects of essential reaction parameters, such as temperature, pH, precursor, and reagent concentration, on silver nanostructure size and morphology are discussed. Also, green synthesis techniques used for the synthesis of one-dimensional (1D) silver nanostructures have been reviewed, and the potential of alternative green reagents for their synthesis has been discussed. Furthermore, current challenges regarding the green synthesis of 1D silver nanostructures and future direction are outlined. To sum up, we aim to show the real potential of green nanotechnology towards the synthesis of silver nanostructures with various morphologies (especially 1D ones) and the possibility of altering current techniques towards more environmentally friendly, more energy-efficient, less hazardous, simpler, and cheaper procedures.

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Section: Reviewmentioning

confidence: 99%

A review on the green and sustainable synthesis of silver nanoparticles and one-dimensional silver nanostructures

Kaabipour¹,

Hemmati²

2021

Beilstein J. Nanotechnol.

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“…Their overview on different synthesis methods including photoreduction method, template method, wet chemical method, and solution-based synthesis concluded that the polyol-assisted solution-based method is the dominant one in synthesis of homogeneous high aspect ratio AgNWs. The factors that affect the morphology and size of synthesized AgNWs include mole ratio, capping agent molecular weight and its rate of addition, reaction atmosphere, reaction temperature, reaction time, and stirring rate were reviewed [54]. Zhang et al reviewed advances in synthetic methods and applications of silver nanostructures.…”

Section: Polyol Synthesis and Characterization Of Agnwsmentioning

confidence: 99%

Polyol Silver Nanowire Synthesis and the Outlook for a Green Process

Hemmati

Harris

Barkey

2020

Journal of Nanomaterials

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Silver nanowires (AgNWs) have a broad range of applications including nanoelectronics, energy conversion, health care, solar cells, touch screens, sensors and biosensors, wearable electronics, and drug delivery systems. As their characteristics depend strongly on their size and morphology, it is essential to find the optimal and most cost-effective synthesis method with precise control over the size and morphology of the wires. Various methods for AgNW synthesis have been reported along with process optimization and novel techniques to increase the yield and aspect ratios of synthesized AgNWs. The most promising processes for synthesis of AgNWs are wet chemical techniques, in which the polyol process is low cost and simple and provides high yield compared to other chemical methods. Reaction mechanism is one of the most important factors in strategies to control the process. Our purpose here is to provide an overview on the main findings regarding synthesis, preparation, and characterization of AgNWs. Recent efforts in the polyol synthesis of AgNWs are summarized with respect to product morphology and size, reaction conditions, and characterization techniques. The effect of essential factors such as reagent concentration and preparation, temperature, and reaction atmosphere that control the size, morphology, and yield of synthesized AgNWs is reviewed. Moreover, a review on the novel modified polyol process and reactor design such as continuous millifluidic and flow reactors to increase the yield of synthesized AgNWs on large scales is provided. The most recent proposed growth mechanisms and kinetics behind the polyol process are addressed. Finally, comparatively few available studies in green and sustainable development of 1D silver nanostructures through the application of natural products with inherent growth termination, stabilization, and capping characteristics are reviewed to provide an avenue to natural synthesis pathways to AgNWs. Future directions in both chemical and green synthesis approaches of AgNWs are addressed.

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“…Recently, remarkable progress has been made in research focused on the synthesis of Ag NWs, leading to well‐controlled morphologies and aspect ratios . Currently, Ag NWs are successfully synthesized by a variety of chemical approaches, such as the template synthesis, ionic‐liquid‐assisted synthesis, microwave‐assisted aerobic synthesis, and polyol reduction process .…”

Section: G Ag Nws and The Derived Nanostructuresmentioning

confidence: 99%

Nanowire Genome: A Magic Toolbox for 1D Nanostructures

Yang

Liang

et al. 2019

Advanced Materials

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1D nanomaterials with high aspect ratio, i.e., nanowires and nanotubes, have inspired considerable research interest thanks to the fact that exotic physical and chemical properties emerge as their diameters approach or fall into certain length scales, such as the wavelength of light, the mean free path of phonons, the exciton Bohr radius, the critical size of magnetic domains, and the exciton diffusion length. On the basis of their components, aspect ratio, and properties, there may be imperceptible connections among hundreds of nanowires prepared by different strategies. Inspired by the heredity system in life, a new concept termed the “nanowire genome” is introduced here to clarify the relationships between hundreds of nanowires reported previously. As such, this approach will not only improve the tools incorporating the prior nanowires but also help to precisely synthesize new nanowires and even assist in the prediction on the properties of nanowires. Although the road from start‐ups to maturity is long and fraught with challenges, the genetical syntheses of more than 200 kinds of nanostructures stemming from three mother nanowires (Te, Ag, and Cu) are summarized here to demonstrate the nanowire genome as a versatile toolbox. A summary and outlook on future challenges in this field are also presented.

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Recent progress in the synthesis of silver nanowires and their role as conducting materials

Cited by 52 publications

References 129 publications

A review on the green and sustainable synthesis of silver nanoparticles and one-dimensional silver nanostructures

A review on the green and sustainable synthesis of silver nanoparticles and one-dimensional silver nanostructures

Polyol Silver Nanowire Synthesis and the Outlook for a Green Process

Nanowire Genome: A Magic Toolbox for 1D Nanostructures

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