Structural studies of aliphatic substituted phthalocyanine-lipid multilayers.
A Langmuir-Blodgett film of aliphatic substituted phthalocyanines on a C18 silane supporting layer coupled onto a silicon substrate has been investigated using neutron reflectometry. This multilayer structure is seen as a possible candidate for phthalocyanine-lipid biosensor devices. The results show the suitability of the C18 ligands as an anchoring layer for the phthalocyanines. The scattering length density profiles demonstrate the effectiveness of a lipid monolayer in partitioning the composition of phthalocyanine layers from that of the bulk liquid. The effectiveness of this barrier is a critical factor in the efficiency of such devices.
Zarbakhsh
Ali
A
School of Biological & Chemical Sciences, Queen Mary, University of London, Joseph Priestley Building, Mile End Road, London E1 4NS, United Kingdom. a.zarbakhsh@qmul.ac.uk
Campana
Mario
M
Mills
David
D
Webster
John R P
JR