Title
Synthesis of highly concentrated suspensions of silver nanoparticles by two versions of the chemical reduction method
Date Issued
01 March 2019
Access level
open access
Resource Type
journal article
Author(s)
Publisher(s)
MDPI AG
Abstract
In spite of the widespread use of the chemical reduction method to obtain silver nanoparticles, the nanoparticle yield is often low due to a required addition of small volumes of diluted metal ions to a solution containing a reducer. Higher yields can be obtained following an alternative method, in which the reducer is added to a greater volume of silver ions in the solution. In this study, protocols for both methods are detailed and compared, using characterization tools such as UV-vis spectrometry, dynamic light scattering (DLS), and zeta potential measurements. By using this alternative method, the amount of silver in the solution is three times greater, and nanoparticles with a narrower size distribution are formed (between 6 and 70 nm in size). In contrast, the regular method produces particles of 3 and 100 nm. Zeta potential measurements indicate that the nanoparticles synthesized with the alternative method will be more stable than those from the regular method.
Start page
1
End page
5
Volume
2
Issue
1
Language
English
OCDE Knowledge area
Nano-materiales
Subjects
Scopus EID
2-s2.0-85071989431
Source
Methods and Protocols
ISSN of the container
24099279
Sponsor(s)
Funding text
Funding: This work has been funded by CONCYTEC (155-2015-FONDECYT) and by the partnership Cleveland Clinic—Universidad de Ingenieria y Tecnologia—UTEC.
Sources of information:
Directorio de Producción Científica
Scopus