Synthesis and characterization of stable Co and Cd doped nickel hydroxide nanoparticles for electrochemical applications

Ultrasonics Sonochemistry
Marcio VidottiSusana I Córdoba de Torresi

Abstract

The present paper describes the physical-chemical characterization and electrochemical behavior of a new nanomaterial formed by the addition of cadmium and cobalt atoms into the structure of nickel hydroxide nanoparticles, these ones synthesized by an easy sonochemical method. Particles of about 5 nm diameter were obtained and characterized by high resolution transmission electron microscopy (HRTEM), X-ray diffraction and Raman spectroscopy. Different nickel hydroxide nanoparticles were immobilized onto transparent conducting substrates by using electrostatic layer-by-layer providing thin films at the nanoscale and the electrochemical behavior was investigated. The formation of a mixed hydroxide was corroborated by observation of very interesting properties as redox potential shifting to less positive potentials and high stability when submitted to long electrochemical cycling or high times of ultrasonic synthesis, suggesting practical applications.

References

Apr 1, 1997·Ultrasonics Sonochemistry·W Lauterborn, C D Ohl
Nov 20, 2001·Nature·M Grätzel
Mar 20, 2004·Ultrasonics Sonochemistry·Aharon Gedanken
Oct 27, 2004·Ultrasonics Sonochemistry·Longhui QiuAharon Gedanken
Nov 21, 2007·Journal of Nanoscience and Nanotechnology·Marcio VidottiSusana I Córdoba de Torresi

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Citations

Dec 15, 2010·Inhalation Toxicology·Azita K CuevasLung Chi Chen
Sep 20, 2012·Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association·Siyue LouQiaojun He
Feb 11, 2015·Proceedings. Mathematical, Physical, and Engineering Sciences·David S HallBarry R MacDougall
Oct 15, 2013·ACS Applied Materials & Interfaces·Liang HuangMeilin Liu
Jul 19, 2013·Journal of the American Chemical Society·Mary W Louie, Alexis T Bell
Aug 17, 2014·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·B ShruthiB J Madhu
Nov 6, 2009·Biosensors & Bioelectronics·José R SiqueiraOsvaldo N Oliveira

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