Aided self-assembly of porphyrin nanoaggregates into ring-shaped architectures.
The formation of micrometer-sized, highly ordered porphyrin rings on surfaces has been investigated. The porphyrin-based nanoarchitectures are formed by deposition from evaporating solutions through a surface dewetting process which can be tuned by variations in the substitution pattern of the molecules used, the coating of the surface and the conditions under which the evaporation takes place. Control over the combined self-assembly and surface dewetting results in nanorings possessing a defined internal architecture. The ordering of the molecules within the rings has been studied by a variety of microscopy techniques (TEM, AFM, fluorescence microscopy) and the exact ordering of the porphyrins within the rings has been quantified.
Lensen
Marga C
MC
Department of Organic Chemistry, NSRIM Center, University of Nijmegen, Toernooiveld 1, 6525 ED, Nijmegen, The Netherlands.
Takazawa
Ken
K
Elemans
Johannes A A W
JA
Jeukens
Cecile R L P N
CR
Christianen
Peter C M
PC
Maan
Jan C
JC
Rowan
Alan E
AE
Nolte
Roeland J M
RJ