Fluorescent or not? Size-dependent fluorescence switching for polymer-stabilized gold clusters in the 1.1-1.7 nm size range.
The synthesis of fluorescent water-soluble gold nanoparticles by the reduction of a gold salt in the presence of a designed polymer ligand is described, the size and fluorescence of the particles being controlled by the polymer to gold ratio; the most fluorescent nanomaterial has a 3% quantum yield, a 1.1 nm gold core and a 6.9 nm hydrodynamic radius.
Schaeffer
Nicolas
N
The University of Liverpool, Department of Chemistry, Crown Street, Liverpool, UK L69 3BX.
Tan
Bien
B
Dickinson
Calum
C
Rosseinsky
Matthew J
MJ
Laromaine
Anna
A
McComb
David W
DW
Stevens
Molly M
MM
Wang
Yiqian
Y
Petit
Laure
L
Barentin
Catherine
C
Spiller
David G
DG
Cooper
Andrew I
AI
Lévy
Raphaël
R