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Laser synthesis and AFM characterization of colloidal silver nanoparticles (CROSBI ID 620310)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Krce, Lucija ; Bajan, Tamara ; Krstulović, Nikša ; Aviani, Ivica Laser synthesis and AFM characterization of colloidal silver nanoparticles // 12th Greta Pifat-Mrzljak International School of Biophysics Biomolecular complexes and assemblies : book of abstracts / Hozić, Amela ; Vuletić, Tomislav (ur.). Zagreb: Institut Ruđer Bošković ; Hrvatsko biofizičko društvo, 2014. str. 73-73

Podaci o odgovornosti

Krce, Lucija ; Bajan, Tamara ; Krstulović, Nikša ; Aviani, Ivica

engleski

Laser synthesis and AFM characterization of colloidal silver nanoparticles

Nanoparticles of various materials are today implemented in wide variety of industrial, scientific and medical applications. Biocompatible nanoparticles are used for cell treatment ; as nano-biomarkers, for therapy and diagnostics. Nanoparticles can be synthesized conventionally either using wet chemistry methods or gas phase processes. Such nanoparticles are often characterized by impurities which are reaction products of additives and precursors. Laser ablation in liquids appeared to be a solution for that drawback. It is recognised as simple and versatile technique and there are almost no limitations in a selection of materials for the nanoparticle synthesis. The remarkable advantages of this technique over other techniques are absence of impurities in the final product (free of contaminating processes, chemical precursors not required), possibility of preparation of multicomponent nanoparticles, weak agglomeration, narrow size distribution of nanoparticles, etc. In our work we studied laser synthesized silver nanoparticles produced in water by ns Nd:YAG laser operating at 1064 nm with 100 mJ of output energy and 5 Hz of repetition rate. From AFM figures size- distribution of nanoparticles is obtained. Laser ablation is monitored by optical emission spectroscopy while colloidal solution is characterized by photospectrometry and photoluminescence. Our results show that average diameter of laser synthesized silver nanoparticles is around 10 nm and size distribution is relatively narrow. Our colloidal solution is very stable in time (few months) implying that nanoparticles are well dispersed and/or charged.

laser ablation ; silver nanoparticles ; AFM

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Podaci o prilogu

73-73.

2014.

objavljeno

Podaci o matičnoj publikaciji

12th Greta Pifat-Mrzljak International School of Biophysics Biomolecular complexes and assemblies : book of abstracts

Hozić, Amela ; Vuletić, Tomislav

Zagreb: Institut Ruđer Bošković ; Hrvatsko biofizičko društvo

978-953-7941-02-4

Podaci o skupu

Greta Pifat-Mrzljak International School of Biophysics (12 ; 2014)

poster

27.09.2014-06.10.2014

Primošten, Hrvatska

Povezanost rada

Fizika