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|Title:||Delocalized π state between molecules through a surface confined pseudodihydrogen bond|
|Authors:||Chen, L. |
|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|
|Appears in Collections:||Staff Publications|
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