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From

An Undergraduate-Level Electrochemical Investigation of Gold Nanoparticles-Modified Physically Small Carbon Electrodes

Shaneel Chandra, Wycliff Tupiti, Sevlin Singh, Zafiar Naaz, Pritika K. Kishor, Archana Goundar, Malina Fakraufon, Surendra Prasad

World Journal of Chemical Education. 2016, 4(5), 93-100 doi:10.12691/wjce-4-5-1
  • Figure 1. Comparison of the tip dimensions of the completed electrode against a human hair and schematic representation of a carbon electrode (inset)
  • Figure 2. Transient current signal obtained from pulse application in 1.0 mM AuCl4- solution prepared in 1.0 M HCl
  • Figure 3. Current-potential plot of 1.0 mM in 1.0 M KCl supporting electrolyte. Scan rate: 100 mV s-1
  • Figure 4. Current-potential plots of 0.5 M H2SO4 before (dashed line) and after (solid line) electrode modification. Scan rate: 100 mV s-1
  • Figure 5. Current-potential plots of 1.0 mM in 1.0 M KCl before (dashed line) and after (solid line) electrode modification. Scan rate: 100 mV s-1