Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.3573779
Title: Scanning tunneling microscopy and photoelectron spectroscopy investigation of the sexithiophene:C60 donor-acceptor nanostructure formation on graphite
Authors: Wang, R.
Mao, H.Y. 
Huang, H. 
Qi, D.C. 
Chen, W. 
Issue Date: 15-Apr-2011
Citation: Wang, R., Mao, H.Y., Huang, H., Qi, D.C., Chen, W. (2011-04-15). Scanning tunneling microscopy and photoelectron spectroscopy investigation of the sexithiophene:C60 donor-acceptor nanostructure formation on graphite. Journal of Applied Physics 109 (8) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3573779
Abstract: The organic donor-acceptor nanostructure formation processes of C 60 and -sexithiophene (6T) on graphite are monitored by in situ low-temperature scanning tunneling microscopy and synchrotron-based photoelectron spectroscopy experiments. It is found that the intermolecular interaction between C60 and 6T plays a key role in the formation of organic nanostructures on graphite. Room temperature deposition of C 60 on the 6T monolayer on the weakly interacting graphite substrate results in the coexistence of three energetically stable structural motifs with a well-defined supramolecular arrangement, including C60 zigzag filament, C60 hexagon and C60-pair filament, and hence the formation of C60:6T molecular glass on graphite. Our results show that only the thermally stable C60 zigzag filaments can develop into a long-range ordered two-dimensional C60 zigzag chain array by annealing the system at 350 K. © 2011 American Institute of Physics.
Source Title: Journal of Applied Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/94754
ISSN: 00218979
DOI: 10.1063/1.3573779
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