ISSN:
1662-9752
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
In this study we describe a two-step synthesis method for the preparation of goldnanoparticles supported on tin modified silica. The key step of the preparation procedure is theformation of surface grafted organotin complexes. The reduction of these surface species in ahydrogen atmosphere resulted in both metallic (Sno) and ionic (Sn2+) forms of tin. These forms oftin are capable to reduce gold from chloroauric acid solution forming gold nanoparticles with highdispersion on the surface of silica. It has been found that the particle size of gold strongly dependson the pH value of the gold solution and the presence or absence of ammonia
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/02/19/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.589.155.pdf