News Column

Studies from Southeast University Yield New Data on Sensor Research

June 17, 2014



By a News Reporter-Staff News Editor at Journal of Technology -- Investigators discuss new findings in Sensor Research. According to news reporting originating in Nanjing, People's Republic of China, by VerticalNews journalists, research stated, "The shape of plasmonic nanostructures such as silver and gold is vital to their physical and chemical properties and potential applications. Recently, preparation of complex nanostructures with rich function by chemical multistep methods is the hotspot of research."

The news reporters obtained a quote from the research from Southeast University, "In this review we introduce three typical multistep methods to prepare silver nanostructures with well-controlled shapes, including the double reductant method, etching technique and construction of core-shell nanostructures. The growth mechanism of double the reductant method is that different favorable facets of silver nanocrystals are produced in different reductants, which can be used to prepare complex nanostructures such as nanoflags with ultranarrow resonant band bandwidth or some silver nanostructures which are difficult to prepare using other methods. The etching technique can selectively remove nanoparticles to achieve the aim of shape control and is widely used for the synthesis of nanoflowers and hollow nanostructures. Construction of core-shell nanostructures is another tool to control shape and size."

According to the news reporters, the research concluded: "The three methods can not only prepare various silver nanostructures with well-controlled shapes, which exhibit unique optical properties, such as strong surface-enhanced Raman scattering (SERS) signal and localized surface plasmon resonance (LSPR) effect, but also have potential application in many areas."

For more information on this research see: Synthesis of silver nanostructures by multistep methods. Sensors, 2014;14(4):5860-89. (Elsevier - www.elsevier.com; Sensors - www.elsevier.com/wps/product/cws_home/504103)

Our news correspondents report that additional information may be obtained by contacting T. Zhang, School of Electronic Science and Engineering, Southeast University and Key Laboratory of Micro-Inertial Instrument and Advanced Navigation Technology, Ministry of Education, Nanjing 210096, People's Republic of China. Additional authors for this research include Y.J. Song, X.Y. Zhang and J.Y Wu.

Keywords for this news article include: Asia, Nanjing, Sensor Research, People's Republic of China.

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC


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Source: Journal of Technology


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