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Morphological Effect on Fluorescence Behavior of Silver Nanoparticles

Abstract

Effect of Silver nanoparticles (AgNPs) morphology on their fluorescence behavior is reported. AgNPs sol stabilized by Ethylene Diamine Tetra Acetic-Acid (EDTA) was prepared by chemical reduction method. Morphology of the AgNPs was tuned through changing the Ag+ ion concentration and PH of reaction mixture. Additional peaks observed in surface Plasmon resonance spectra suggest the an-isotropic nature of AgNPs. Actual morphology was judged by Transmission Electron Microscopy. Emission spectra recorded using Spectrofluoremeter suggest the fluorescent nature of AgNPs, which also influenced by morphology of AgNPs and attributed to the variation in surface structure of an-isotropic AgNPs.

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Acknowledgments

Authors thanks to University Grant Commission (UGC), New Delhi for financial support under Start-Up grant for newly recruited faculty. Authors also thanks to Indian Institute of Technology, Mumbai and Prof. J. V. Sali, School of Physical Sciences, North Maharashtra University, for TEM characterization and UV-Visible measurements, respectively.

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Correspondence to Vijay Raman Chaudhari.

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Khan, M.S., Chaudhari, V.R. Morphological Effect on Fluorescence Behavior of Silver Nanoparticles. J Fluoresc 24, 751–757 (2014). https://doi.org/10.1007/s10895-014-1348-5

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  • DOI: https://doi.org/10.1007/s10895-014-1348-5

Keywords

  • Silver nanoparticles
  • EDTA
  • Fluorescent behavior
  • Morphology effect
  • An-isotropy