Formation of silver nanoparticles in aqueous carboxymethyl cellulose solutions and the evolution of their sizes |
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| Authors: | V V Vysotsky O Ya Uryupina V I Roldughin Yu A Plachev |
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| Institution: | (1) Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia |
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| Abstract: | Size dependences of silver nanoparticles synthesized in aqueous carboxymethyl cellulose solutions and dependences of their ζ-potentials on solution pH are studied by the dynamic light scattering method. Variations in nanoparticle size distributions and ζ-potential of particles with time are monitored. It is revealed that the size of silver nanoparticles decreases linearly with an increase in solution pH. The size of particles noticeably decreases in the aging process of the colloidal solution. The ζ-potential tends to one and the same value with time for all studied hydrosol samples. |
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