Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 131, Issue 22, Pages 7482-+Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja8088394
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- Korea Research Foundation [D00112]
- Samsung Electronics
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Reversible formation and dissolution of gold nanoparticles through turning on and off UV light was reported. Gold ions (Au3+) were reduced to monodispersed gold nanoparticles by UV irradiation from a mixture of comb-like poly(oxyethylene)s and a gold salt. The prepared gold nanoparticles dissolved to yield gold ions (Au3+) when the UV light was switched off. Such formation and dissolution could be repeated persistently by turning the UV light on and off repeatedly.
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