Issue 44, 2016

Gold nanoflowers with tunable sheet-like petals: facile synthesis, SERS performances and cell imaging

Abstract

So far only a few approaches have been reported for the successful synthesis of 3D flower-like hierarchical gold nanostructures. In this paper, a facile, seedless and one-pot approach to synthesize a new class of flower-shaped gold nanoparticles with sheet-like petals has been proposed by reduction of HAuCl4 with ascorbic acid in (1-hexadecyl)trimethylammonium chloride solution, in the presence of silver nitrate (AgNO3). The growth of petals can be controlled and tuned by adjusting the amount of silver nitrate in the growth solution, and the reaction progress and evolution of the petals were monitored by time-course measurements via UV-vis-NIR spectroscopy and SEM to observe the growth mechanisms of nanoparticles. Besides, their optical properties, especially SERS performances, were also studied. These SERS-active gold nanoparticles were further utilized in the design of bright SERS tags for selectively in vitro imaging cancer cells. The results indicate that these Au NFs can be used as good SERS substrates or to design sensitive SERS sensors.

Graphical abstract: Gold nanoflowers with tunable sheet-like petals: facile synthesis, SERS performances and cell imaging

Supplementary files

Article information

Article type
Paper
Submitted
27 Apr 2016
Accepted
29 Sep 2016
First published
29 Sep 2016

J. Mater. Chem. B, 2016,4, 7112-7118

Gold nanoflowers with tunable sheet-like petals: facile synthesis, SERS performances and cell imaging

C. Y. Song, B. Y. Yang, W. Q. Chen, Y. X. Dou, Y. J. Yang, N. Zhou and L. H. Wang, J. Mater. Chem. B, 2016, 4, 7112 DOI: 10.1039/C6TB01046F

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements