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Unidirectional Real-Time Photoswitching of Diarylethene Molecular Monolayer Junctions with Multilayer Graphene Electrodes

Cited 24 time in Web of Science Cited 23 time in Scopus
Authors

Koo, Jeongmin; Jang, Yeonsik; Martin, Leon; Kim, Dongku; Jeong, Hyunhak; Kang, Keehoon; Lee, Woocheol; Kim, Junwoo; Hwang, Wang-Taek; Xiang, Dong; Scheer, Elke; Kabdulov, Mikhail; Huhn, Thomas; Pauly, Fabian; Lee, Takhee

Issue Date
2019-03
Publisher
American Chemical Society
Citation
ACS Applied Materials and Interfaces, Vol.11 No.12, pp.11645-11653
Abstract
We fabricate and characterize vertical molecular junctions consisting of self-assembled monolayers of diarylethene (DAE) contacted by a multilayer graphene (MLG) electrode on the top and gold on the bottom. The DAE molecular junctions show two stable electrical states, a closed state (high conductance) or an open state (low conductance), which are created upon illumination with UV or visible light, respectively. For the Au-DAE-MLG junction structure, we observe that the current levels between the two conductance states are separated by 2 orders of magnitude. However, in a real-time measurement, we observe only unidirectional switching behavior from the open to the closed state.
ISSN
1944-8244
URI
https://hdl.handle.net/10371/202545
DOI
https://doi.org/10.1021/acsami.8b19372
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  • College of Engineering
  • Department of Materials Science & Engineering
Research Area Molecular doping in emerging semiconductors, Next-generation electronic devices, Transport phenomena in organic semiconductors

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