Abstract
In this paper, organic thin films of a fluorescent material 5,6-Bis-[4-(naphthalene-1-yl-phenylamino)-phenyl]-pyrazine-2,3- dicarbonitrile (BNPPDC) were prepared by a vacuum deposition method. The typical I–V curve of the film exhibits a favorable roomtemperature bistability. Further recording experiments have been performed with a scanning tunneling microscope, which confirmed that the thin film of the donor–π–acceptor fluorescent material could certainly be applied for reversible nanoscale data storage. The average size of the recorded marks is about 7 nm. Mechanism analyses suggest that the formation of the recording dots is due to the local change of electrical property of the thin film, and the intermolecular charge transfer induced by an electric field is proposed as the reason for the change.
Keywords: Data storage, Scanning tunneling microscopy, Organic thin film, Bistability, ON/OFF current ratio, Donor–π–acceptor molecule.
Call for Papers in Thematic Issues
Catalytic C-H bond activation as a tool for functionalization of heterocycles
The major topic is the functionalization of heterocycles through catalyzed C-H bond activation. The strategies based on C-H activation not only provide straightforward formation of C-C or C-X bonds but, more importantly, allow for the avoidance of pre-functionalization of one or two of the cross-coupling partners. The beneficial impact of ...read more
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