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pH‐Selective Synthesis of Monodisperse Nanoparticles and 3D Dendritic Nanoclusters of CTAB‐Stabilized Platinum for Electrocatalytic O 2 Reduction
Author(s) -
Ullah M. Habib,
Chung WonSub,
Kim Il,
Ha ChangSik
Publication year - 2006
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.200600071
Subject(s) - nanoclusters , bromide , dispersity , platinum , catalysis , nanoparticle , platinum nanoparticles , materials science , glassy carbon , electrode , inorganic chemistry , chemical engineering , nanotechnology , electrochemistry , chemistry , organic chemistry , polymer chemistry , cyclic voltammetry , engineering
Playing the platinum card : Monodisperse Pt nanoparticles and 3D dendritic Pt nanoclusters (see image), stabilized by cetyltrimethylammonium bromide, were synthesized selectively at pH values of ≈7 and ≈1.7, respectively. Both Pt species, which can be immobilized electrochemically onto glassy carbon electrodes, possess excellent catalytic activity toward the reduction of O 2 .
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