scholarly journals Revisiting the Polyol Synthesis of Silver Nanostructures: Role of Chloride in Nanocube Formation

ACS Nano ◽  
2019 ◽  
Author(s):  
Zhifeng Chen ◽  
Tonnam Balankura ◽  
Kristen A. Fichthorn ◽  
Robert M. Rioux
Langmuir ◽  
2005 ◽  
Vol 21 (18) ◽  
pp. 8077-8080 ◽  
Author(s):  
Benjamin Wiley ◽  
Yugang Sun ◽  
Younan Xia

2011 ◽  
Vol 2011 ◽  
pp. 1-7 ◽  
Author(s):  
Srichandana Nandikonda ◽  
Edward W. Davis

The effects of salt chemistry and concentration on the morphology and yield of silver nanorods produced by the microwave-assisted polyol synthesis are reported. Compared to NaCl, iron and copper salts reduced nanorod yield and length and increased diameter. This is in stark contrast to expectations based on the slower traditional polyol process. The role of the cation was further explored using MgCl2 and MnCl2 which showed different concentration dependent effects on nanorod diameter. In addition, the morphology and yield of nanomaterials was found to be significantly influenced by small variations in the procedure including container shape and the time between reactant mixing and microwave heating. These results highlight that, while the microwave-assisted process is very promising, results cannot be directly anticipated based on the traditional process, and the synthesis is very sensitive to procedural changes.


2005 ◽  
Vol 127 (20) ◽  
pp. 7332-7333 ◽  
Author(s):  
Yujie Xiong ◽  
Jingyi Chen ◽  
Benjamin Wiley ◽  
Younan Xia ◽  
Shaul Aloni ◽  
...  

2019 ◽  
Vol 6 (11) ◽  
pp. 115067
Author(s):  
Jill I Tracey ◽  
Seerat Aziz ◽  
Deirdre M O’Carroll

2020 ◽  
Vol 2020 ◽  
pp. 1-25 ◽  
Author(s):  
Shohreh Hemmati ◽  
Michael T. Harris ◽  
Dale P. Barkey

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.


Nano Letters ◽  
2008 ◽  
Vol 8 (7) ◽  
pp. 2077-2081 ◽  
Author(s):  
Sara E. Skrabalak ◽  
Benjamin J. Wiley ◽  
Munho Kim ◽  
Eric V. Formo ◽  
Younan Xia

2020 ◽  
Vol 2 (12) ◽  
pp. 5635-5647
Author(s):  
Charalambos Michaeloudes ◽  
Joanna Seiffert ◽  
Shu Chen ◽  
Pakatip Ruenraroengsak ◽  
Leo Bey ◽  
...  

Sulfidation by biogenic H2S outcompetes dissolution of silver nanostructures, thus reducing their toxicity in airway smooth muscle cells.


MRS Bulletin ◽  
2005 ◽  
Vol 30 (5) ◽  
pp. 356-361 ◽  
Author(s):  
Benjamin Wiley ◽  
Yugang Sun ◽  
Jingyi Chen ◽  
Hu Cang ◽  
Zhi-Yuan Li ◽  
...  

AbstractThis article provides a brief account of solution-phase methods that generate silver and gold nanostructures with well-controlled shapes. It is organized into five sections: The first section discusses the nucleation and formation of seeds from which nanostructures grow. The next two sections explain how seeds with fairly isotropic shapes can grow anisotropically into distinct morphologies. Polyol synthesis is selected as an example to illustrate this concept. Specifically, we discuss the growth of silver nanocubes (with and without truncated corners), nanowires, and triangular nanoplates. In the fourth section, we show that silver nanostructures can be transformed into hollow gold nanostructures through a galvanic replacement reaction. Examples include nanoboxes, nanocages, nanotubes (both single- and multi-walled), and nanorattles. The fifth section briefly outlines a potential medical application for gold nanocages.We conclude with some perspectives on areas for future work.


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