期刊
TALANTA
卷 66, 期 5, 页码 1242-1246出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.talanta.2005.01.038
关键词
nanoparticles; ozone; surface plasmon resonance
Gold nanoparticles interact with aqueous ozone to produce a surface plasmon resonance shift without aggregation of the nanoparticles. Given ozone ' s destructive nature, the surprising finding was that the gold nanoparticles returned to their original color and were able to cycle between the wavelengths as ozone was introduced and removed. Gold islands were made and tested for a gaseous ozone response. Similarly to the aqueous system, the gold islands show a cycling effect. Potentially, this system would be useful as a sensor that identifies the presence of ozone in gaseous media. (c) 2005 Elsevier B.V. All rights reserved.
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