<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Narayanan, Radha</style></author><author><style face="normal" font="default" size="100%">El-Sayed, Mostafa A</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Shape-dependent catalytic activity of platinum nanoparticles in colloidal solution</style></title><secondary-title><style face="normal" font="default" size="100%">Nano Letters</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2004</style></year><pub-dates><date><style  face="normal" font="default" size="100%">Jul</style></date></pub-dates></dates><number><style face="normal" font="default" size="100%">7</style></number><volume><style face="normal" font="default" size="100%">4</style></volume><pages><style face="normal" font="default" size="100%">1343-1348</style></pages><isbn><style face="normal" font="default" size="100%">1530-6984</style></isbn><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">The activation energies and the average rate constants are determined in the 298 K-318 K temperature range for the early stages of the nanocatalytic reaction between hexacyanoferrate (111) and thiosulfate ions using 4.8 +/- 0.1 nm tetrahedral, 7.1 +/- 0.2 nm cubic, and 4.9 +/- 0.1 nm &quot;near spherical&quot; nanocrystals. These kinetic parameters are found to correlate with the calculated fraction of surface atoms located on the corners and edges in each size and shape.</style></abstract><accession-num><style face="normal" font="default" size="100%">WOS:000222762000033</style></accession-num><notes><style face="normal" font="default" size="100%">Narayanan, R El-Sayed, MA</style></notes><electronic-resource-num><style face="normal" font="default" size="100%">10.1021/nl0495256</style></electronic-resource-num></record></records></xml>