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n Journal of Emerging Trends in Engineering and Applied Sciences - Qualitative synthensisation of Nanoparticles using FTIR spectroscopic analysis

Volume 6, Issue 3
  • ISSN : 2141-7016
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Abstract

In this work, FTIR spectrometry was used to analyse the spectra configurations on the synthesised silver nanoparticles were synthesized using two different reducing agents (1) sodium borohydride (NaBH4), at two temperature conditions of 27°C and 4°C (room temperature and ice cold temperature), and (2) trisodium citrate (3NaCi) at 100°C (boiling temperature) by chemical reduction method. The objective of this work is to compare the results of Ag nanoparticles synthesised, using sodium borohydride as reducing agent, at room temperature and after pre-cooling in an ice bath. Secondly, to comparing the results of the synthesized Ag nanoparticles using two different reducing agents and thirdly, to observe the effect of IR spectrophotometer on the nanoparticles in terms of wavelength (m) and absorbance (A) and (transmittance, T). The resulting nano-sized colloids have been characterized by FTIR spectroscopy. A clear and yellow colour ation was obtained from all the synthesised samples, which indicates the presence of formed nanoparticles with strong absorption peaks obtained at wave length range of 1370 - 1380 cm-1 and 840 - 841 cm-1 proving the presence of silver nanoparticles based on the functional group. The elements found to be present at such peak were the nitro and N-O functional groups when compared with the reported literature. The results shows that Ag nanoparticle colloid was formed using sodium borohydride irrespective of temperature, but the synthesis performed at lower temperature yielded more stable colloids.

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/content/sl_jeteas/6/3/EJC175661
2015-06-01
2019-09-16

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