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Chemphyschem. 2012 Dec 21;13(18):4105-9. doi: 10.1002/cphc.201200720. Epub 2012 Nov 6.

Unique photothermal response and sustained photothermal effect of pH-responsive gold-nanoparticle aggregates.

Author information

1
Department of Chemistry, Pohang University of Science & Technology (POSTECH), San 31, Hyojadong, Namgu, Pohang 790-784, South Korea.

Abstract

Hot gold: The photothermal response upon pulsed laser irradiation is studied for pH-responsive gold-nanoparticle aggregates and compared to that of gold nanorods. The aggregates show a slight red shift in the absorption spectrum and retain the photothermal effect, whereas the nanorods lose the photothermal effect and exhibit a stark blue shift in the absorption.

PMID:
23132778
DOI:
10.1002/cphc.201200720
[Indexed for MEDLINE]
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