Revisiting the use of gold and silver functionalised nanoparticles as colorimetric and fluorometric chemosensors for metal ions

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97 Citations (Scopus)

Abstract

In the last decade, metallic nanoparticles of noble metal ions as gold and silver have received much attention mainly due to their colorimetric properties. These metallic functionalised nanoparticles offered an enormous possibility of applications in many scientific and technical fields. As hybrid materials combining large surfaces with important optic and electronic properties demonstrate to be highly sensitive to the presence of metal ions in their surroundings. Special attention has being paid to the applications of gold, silver and alloys nanoparticles as fluorescent and/or colorimetric systems for detection of metals, mainly in the presence of heavy and toxic metal ions. In the present review we have focused on the advances and novelties reported in the field during the last 5 years.

Original languageEnglish
Pages (from-to)297-328
Number of pages32
JournalSensors And Actuators B-Chemical
Volume212
DOIs
Publication statusPublished - Jun 2015

Keywords

  • Detection
  • Gold
  • Nanoparticles
  • Sensors
  • Silver

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