期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 135, 期 16, 页码 5974-5977出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja401484j
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资金
- PHC GERMAINE DE STAEL Program [26452ZG]
- Swiss National Science Foundation [200021-124643, NFP 62]
- French Foundation for Nanosciences (Grenoble-POLYSUPRA Project)
- DCM (Grenoble)
- Swiss National Science Foundation (SNF) [200021_124643] Funding Source: Swiss National Science Foundation (SNF)
The conductance properties of a photoswitchable dimethyldihydropyrene (DHP) derivative have been investigated for the first time in single-molecule junctions using the mechanically controllable break junction technique. We demonstrate that the reversible structure changes induced by isomerization of a single bispyridine-substituted DHP molecule are correlated with a large drop of the conductance value. We found a very high ON/OFF ratio (>10(4)) and an excellent reversibility of conductance switching.
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