Recommanded Product: Pyridine-4-thiol. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: Pyridine-4-thiol, is researched, Molecular C5H5NS, CAS is 4556-23-4, about Gold nanoflowers grown in a porous Si/SiO2 matrix: The fabrication process and plasmonic properties. Author is Osminkina, Liubov A.; Zukovskaja, Olga; Agafilushkina, Svetlana N.; Kaniukov, Egor; Stranik, Ondrej; Gonchar, Kirill A.; Yakimchuk, Dmitry; Bundyukova, Victoria; Chermoshentsev, Dmitry A.; Dyakov, Sergey A.; Gippius, Nikolay A.; Weber, Karina; Popp, Jurgen; Cialla-May, Dana; Sivakov, Vladimir.
Highly branched metal nanostructures are of great interest for creating highly sensitive sensors of various mols. through the use of surface-enhanced Raman scattering. However, the method of manufacturing such nanostructures is often complex and difficult to reproduce. Herein, we report a simple, one-pot synthesis of flower-like gold nanostructures (AuNFs) in a porous Si/SiO2 matrix for potential surface enhanced Raman spectroscopy (SERS) applications. Templates covered with 500-nm diameter AuNFs with rough coral-like petals were obtained through a simple electroless reduction of gold(III) chloride salt in diluted hydrofluoric acid inside pores in the Si/SiO2 layer, which were obtained by swift heavy ion track technol. Detailed SERS anal. showed that single nanoflowers are capable of enhancing Raman signals and can be used as independent nanosensors. Having a few AuNFs in close proximity to each other enables more “”hot spots”” to be formed with an even greater increase in signal intensity. Using such substrates, reliable detection of 4-mercaptopyridine could be achieved down to 0.01μM concentration Finally, we theor. demonstrate that the AuNFs are characterized by a wide-band plasmonic mode as well as by hot spots in the electromagnetic near-field distribution, which can result in a high enhancement factor for Raman scattering.
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Reference:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts