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|Title:||Molecular-scale investigation of C60p-sexiphenyl organic heterojunction interface|
|Citation:||Zhong, J.Q., Huang, H., Mao, H.Y., Wang, R., Zhong, S., Chen, W. (2011-04-21). Molecular-scale investigation of C60p-sexiphenyl organic heterojunction interface. Journal of Chemical Physics 134 (15) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3582789|
|Abstract:||In situ low-temperature scanning tunneling microscopy (LT-STM) and ultraviolet photoelectron spectroscopy (UPS) experiments have been carried out to investigate the interface properties at the C60/p-sexiphenyl (6P) organic-organic heterojunction interface, including the interfacial energy level alignment and the supramolecular packing structures. As revealed by UPS measurements, the vacuum level is almost aligned at the C60/6P interface, suggesting that the interface is dominated by weak intermolecular interactions, such as van der Waals and π-π interactions. In situ LT-STM experiments also indicate the formation of a molecularly sharp C60/6P interface with hexagonally-close-packed C60 layers nucleated atop 6P layer on graphite. © 2011 American Institute of Physics.|
|Source Title:||Journal of Chemical Physics|
|Appears in Collections:||Staff Publications|
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