Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevLett.105.226103
Title: Delocalized π state between molecules through a surface confined pseudodihydrogen bond
Authors: Chen, L. 
Li, H.
Wee, A.T.S. 
Issue Date: 24-Nov-2010
Source: Chen, L., Li, H., Wee, A.T.S. (2010-11-24). Delocalized π state between molecules through a surface confined pseudodihydrogen bond. Physical Review Letters 105 (22) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevLett.105.226103
Abstract: When 3,4,9,10-perylene-tetracarboxylic-dianhydride (PTCDA) and coronene molecules coadsorb on the Ag(111) surface, one-dimensional PTCDA molecular oligomers with efficient electronic connection via noncovalent bonds are observed by low temperature scanning tunneling microscopy. Density functional theory calculations indicate the neighboring PTCDA molecules form oligomers due to strong PTCDA-metal interactions, which result in overlapping of π orbitals and pseudodihydrogen surface bonds between molecules. Our results provide a potential approach for electron transport from molecule to molecule directly through noncovalent bond. © 2010 The American Physical Society.
Source Title: Physical Review Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/52865
ISSN: 00319007
DOI: 10.1103/PhysRevLett.105.226103
Appears in Collections:Staff Publications

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