Synthesis of bimetallic gold/silver nanoparticles via in situ seeding
- Авторы: Gorbachevskiy M.V.1, Kopitsyn D.S.1, Tiunov I.A.1, Kotelev M.S.1, Vinokurov V.A.1, Novikov A.A.1
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Учреждения:
- Center for Nanodiagnostics, Department of Physical and Colloid Chemistry
- Выпуск: Том 91, № 1 (2017)
- Страницы: 141-144
- Раздел: Physical Chemistry of Nanoclusters and Nanomaterials
- URL: https://bakhtiniada.ru/0036-0244/article/view/169196
- DOI: https://doi.org/10.1134/S0036024417010071
- ID: 169196
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Аннотация
A way of synthesizing bimetallic gold/silver nanoparticles with in situ seeding initiated by the addition of sodium borohydride is proposed. The obtained nanoparticles are studied by means of transmission electron microscopy (TEM). Changes in the optical density spectra of the nanoparticles during their coagulation are investigated. The technique allows the rapid acquisition of nontoxic SERS-active nanoparticles with maximum SERS enhancement factor about 105 in the near infrared range for Raman shifts typical for biological objects such as bacterial cells and spores.
Об авторах
M. Gorbachevskiy
Center for Nanodiagnostics, Department of Physical and Colloid Chemistry
Email: gubkin.nanotech@gmail.com
Россия, Moscow, 119991
D. Kopitsyn
Center for Nanodiagnostics, Department of Physical and Colloid Chemistry
Email: gubkin.nanotech@gmail.com
Россия, Moscow, 119991
I. Tiunov
Center for Nanodiagnostics, Department of Physical and Colloid Chemistry
Email: gubkin.nanotech@gmail.com
Россия, Moscow, 119991
M. Kotelev
Center for Nanodiagnostics, Department of Physical and Colloid Chemistry
Email: gubkin.nanotech@gmail.com
Россия, Moscow, 119991
V. Vinokurov
Center for Nanodiagnostics, Department of Physical and Colloid Chemistry
Email: gubkin.nanotech@gmail.com
Россия, Moscow, 119991
A. Novikov
Center for Nanodiagnostics, Department of Physical and Colloid Chemistry
Автор, ответственный за переписку.
Email: gubkin.nanotech@gmail.com
Россия, Moscow, 119991
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