najoNanosystems: Physics, Chemistry, MathematicsНаносистемы: физика, химия, математика2220-80542305-7971Университет ИТМО10.17586/22208054201785670676najo-735Research ArticleCHEMISTRY AND MATERIALS SCIENCEХИМИЯ И НАУКА О МАТЕРИАЛАХRevisiting preparation routes of SERS materialsSemenovaA. A.

Lenin Hills, Moscow, 119991

SemenovaI. A.

Buryatia Republic, UlanUde, 670047

SemenovA. P.

Buryatia Republic, UlanUde, 670047

GudilinaE. A.

Moscow, 1154

GoodilinE. A.

Lenin Hills, Moscow, 119991,

Moscow, 119992

 

Lomonosov Moscow State University, Faculty of Materials ScienceRussian FederationInstitute of Physical Materials Sciences of Siberian Branch of the Russian Academy of SciencesRussian FederationFSBI “N. N. Blokhin National Medical Research Center of Oncology” of the Ministry of Health of the Russian FederationRussian FederationLomonosov Moscow State University, Faculty of Materials Science; Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of SciencesRussian Federation20171208202585670676Copyright © Semenova A.A., Semenova I.A., Semenov A.P., Gudilina E.A., Goodilin E.A., 20252025Semenova A.A., Semenova I.A., Semenov A.P., Gudilina E.A., Goodilin E.A.Semenova A.A., Semenova I.A., Semenov A.P., Gudilina E.A., Goodilin E.A.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://nanojournal.ifmo.ru/jour/article/view/735

For the first time, a systematic study of a background noise to signal ratio is given for various preparation histories of consolidated silver nanoparticles and artificially prepared nanostructures to rate the best and the worst routes of deposition of surfaceenhanced Raman spectroscopy (SERS) active layers. It is shown that most of common preparation schemes face with a high intensity of extra peaks in the ca. 900–1100 and 1400–1700 cm􀀀1 range as related to residual adsorbed / chemosorbed nitrate, nitrite ions and organic oxidation products of various pollutants formed in the course of Ag+ redox reactions. Finally, Leopold–Lendl and the original USR (Ultrasonic Silver Rain) methods would be recommended for the highly sensitive SERS analysis of diluted solutions and impurities.

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The authors declare that there are no conflicts of interest present.