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author:

He, Huibin (He, Huibin.) [1] | Feng, Miao (Feng, Miao.) [2] (Scholars:冯苗) | Chen, Qidi (Chen, Qidi.) [3] (Scholars:陈奇俤) | Zhang, Xinqi (Zhang, Xinqi.) [4] | Zhan, Hongbing (Zhan, Hongbing.) [5] (Scholars:詹红兵)

Indexed by:

EI Scopus SCIE

Abstract:

A novel light-induced reversible self-assembly (LIRSA) system is based on the reversible photodimerization and photocleavage of coumarin groups on the surface of gold nanoparticles (AuNPs) in THF solution. Facilitated by coumarin groups, light irradiation at 365nm triggers the stable assembly of monodisperse AuNPs; the resulting self-assembly system can be disassembled back to the disassembled state by a relatively short exposure to benign UV light. The reversible self-assembly cycle can be repeated 4times. A specific concentration range of coumarin ligand and the THF solvent were identified to be the two predominant factors that contribute to the LIRSA of AuNPs. This is the first successful application of reversible photodimerization based on a coumarin derivative in the field of AuNP LIRSA. This LIRSA system may provide unique opportunities for the photoregulated synthesis of many adjustable nanostructures and devices.

Keyword:

coumarin gold nanoparticles photolysis reversible self-assembly

Community:

  • [ 1 ] [He, Huibin]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350116, Fujian, Peoples R China
  • [ 2 ] [Feng, Miao]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350116, Fujian, Peoples R China
  • [ 3 ] [Chen, Qidi]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350116, Fujian, Peoples R China
  • [ 4 ] [Zhan, Hongbing]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350116, Fujian, Peoples R China
  • [ 5 ] [Zhang, Xinqi]Fuzhou Univ, Testing Ctr, Fuzhou 350002, Fujian, Peoples R China

Reprint 's Address:

  • 冯苗

    [Feng, Miao]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350116, Fujian, Peoples R China

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Source :

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

ISSN: 1433-7851

Year: 2016

Issue: 3

Volume: 55

Page: 936-940

1 1 . 9 9 4

JCR@2016

1 6 . 1 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:235

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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