Critical Enhancement of Photothermal Effect by Integrated Nanocomposites of Gold Nanorods and Iron Oxide on Graphene Oxide

被引：2
作者：
Yun, Kum-Hee [1 ]
Seo, Sun-Hwa [1 ]
Kim, Bo-Mi [1 ]
Joe, Ara [1 ]
Han, Hyo-Won [1 ]
Kim, Jong-Young [2 ]
Jang, Eue-Soon [1 ]
机构：
[1] Kumoh Natl Inst Technol, Dept Appl Chem, Gyeongbuk 730701, South Korea
[2] Korea Inst Ceram Engn & Technol, Seoul, South Korea
来源：
BULLETIN OF THE KOREAN CHEMICAL SOCIETY | 2013年 / 34卷 / 09期
关键词：
Photothermal effect; Longitudinal plasmon resonance; Gold nanorods; Iron oxide; Graphene oxide; QUANTUM DOTS; STEM-CELLS; NANOPARTICLES; THERAPY;
D O I：
10.5012/bkcs.2013.34.9.2795
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Irradiation of gold nanorods (GNRs) with laser light corresponding to the longitudinal surface plasmon oscillation results in rapid conversion of electromagnetic energy into heat, a phenomenon commonly known as the photothermal effect of GNRs. Herein, we propose a facile strategy for increasing the photothermal conversion efficiency of GNRs by integration to form graphene oxide (GO) nanocomposites. Moreover, conjugation of iron oxide (JO) with the GO-GNR nanohybrid allowed magnetic enrichment at a specific target site and the separated GO-IO-GNR assembly was rapidly heated by laser irradiation. The present GO-IO-GNR nanocomposites hold great promise for application in various biomedical fields, including surface enhanced Raman spectroscopy imaging, photoacoustic tomography imaging, magnetic resonance imaging, and photothermal cancer therapy.
引用
收藏
页码：2795 / 2799
页数：5
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