文献类型：期刊文献

英文题名：Photo-responsive spiropyran monolayer protected gold nanorod

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; E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R China

年份：2014

卷号：103

起止页码：89

外文期刊名：DYES AND PIGMENTS

收录：;EI(收录号：20140117151193);WOS:【SCI-EXPANDED(收录号:WOS:000331781600013)】；

基金：This work is financially supported by the National Basic Research 973 Program (2011CB808400), NSFC/China (21190033, 21272072 & 21072058), Shanghai Pujiang Program (13PJD011) and the Fundamental Research Funds for the Central Universities. J. Li thanks the Shanghai Municipal Natural Science Foundation (12ZR1407100). J. Cao and S. Wu contribute equally to this work. Prof. He Tian is also acknowledged for helpful discussion.

语种：英文

外文关键词：Gold nanorod; Spiropyran; Monolayer; Photo-responsive; Plasmonic resonance absorption; Hybrid

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.