Photo-responsive spiropyran monolayer protected gold nanorod

被引：15
作者：
Cao, Jingjing
Wu, Shuaifan
Zhai, Baoqi
Wang, Qiaochun
Li, Jing
Ma, Xiang [1 ]
机构：
[1] E China Univ Sci & Technol, Key Labs Adv Mat, Shanghai 200237, Peoples R China
来源：
DYES AND PIGMENTS | 2014年 / 103卷
关键词：
Gold nanorod; Spiropyran; Monolayer; Photo-responsive; Plasmonic resonance absorption; Hybrid; PHOTOCHROMIC BEHAVIOR; SURFACE MODIFICATION; NANOPARTICLES; POLYMER; MODULATION; BROMIDE; RELEASE; DNA;
D O I：
10.1016/j.dyepig.2013.11.017
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The spiropyran monolayer covalently protected gold nanorod (GNR) hybrid was prepared and well characterized for the first time, which was stable, soluble and photo-responsive under certain light irradiation in organic solvent. The photochromism of the densely packed spiropyran monolayer on the surface of GNRs was found having effect on the surface plasmonic resonance (SPR) absorption of gold nanorods, namely inducing the intensity change of the two plasma absorption peaks at 786 and 551 nm of the GNR hybrids. The functionalization of this organic-inorganic GNR hybrid and the photo-tuning of its SPR absorption properties, especially in the not only UV-Vis range but also near-infrared (NIR) spectral area would make important and interesting sense in the area of functional hybrid nanomaterial. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：89 / 94
页数：6
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