AVS 65th International Symposium & Exhibition
    Surface Science Division Monday Sessions
       Session SS+HC+MI-MoM

Paper SS+HC+MI-MoM5
Non-equilibrium Growth of Metastable Clusters as a Means of Controlling Supramolecular Structure.

Monday, October 22, 2018, 9:40 am, Room 203C

Session: Dynamical Processes at Surfaces
Presenter: Ryan Brown, Clarkson University
Authors: R.D. Brown, Clarkson University
A.S.A. Kandel, University of Notre Dame
Correspondent: Click to Email
This poster will review the use of non-equilibrium growth conditions to produce supramolecular structures not easily accessible using traditional self-assembly approaches. Specifically, the formation of cyclic, hydrogen-bonded clusters at the vacuum-solid interface following the direct injection of a solution into a high vacuum chamber gives insight into the utility of employing non-equilibrium growth conditions for producing supramolecular structures with metastable configurations. When deposited in a rapidly evaporating droplet, hydrogen bonding small molecules can form clusters with 5-fold symmetry if the correct combination of hydrogen bonding groups are present. These features persist at room temperature, but evolve into more complex structures upon mild annealing. Initial studies of this phenomenon in ferrocenecarboxylic acid, 1,1'-ferrocenedicarboxylic acid, indole carboxylic acid, and isatin will be discussed. Finally, future systems and directions of study will be discussed.