When: Friday March 11, 2011 from 11:30 AM to 12:30 PM
Where: Cabot Division Room at the Mallinckrodt building
What: Leslie will tell us about:
*"Self-assembled monolayers are promising materials for fabricating organic
electronics and sensors. These materials are typically attached to coinage
metal surfaces via metal-sulfur bonds, but the electronic properties of the
monolayers is primarily determined by the molecular composition. I will
discuss the current work in the Whitesides group to characterize the
properties of these materials and show how quantum chemistry may be able to
help explain monolayer properties. In particular, I will discuss the effect
of functional groups and chain length on the dipole moments (and therefore
surface work functions) of alkanethiol SAMs. For select cases, I will show
the effect of including a metal cluster to capture the metal-sulfur bond
character and the effect of applied bias (as calculated using CheESE)."*
--
Joel Yuen-Zhou
PhD candidate in Chemical Physics
Harvard University CCB,
12 Oxford St. Mailbox 107,
Cambridge, MA, USA.
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