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Published February 28, 2002 | public
Journal Article

The Structure of a Tetraazapentacene Molecular Monolayer


Langmuir molecular monolayers of a unique tetraazapentacene zwitterionic amphiphile were found to form stripe-like domains that responded strongly to an applied magnetic field. These stripe domains were transferred as Langmuir−Blodgett (LB) films to glass substrates, where they were structurally characterized using five complementary imaging techniques, including scanning second-harmonic generation (SHG) microscopy and capacitance force microscopy. The molecular orientations of adjacent single striped domains of a tetraazapentacene monolayer were determined by SHG polarization measurements. Those structures were shown to be consistent across the various imaging techniques.

Additional Information

© 2002 American Chemical Society. Received 13 September 2001. Published online 1 February 2002. Published in print 1 February 2002. We acknowledge the W.M. Keck Foundation, the National Science Foundation, and the Semiconductor Research Corporation for support, and Rigo Pantoja for helpful discussions. C.P.C. is an employee of the Hewlett-Packard Corporation, and he acknowledges support from DARPA.

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