Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
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Phosphine Sulfides as an Anchor Unit for Single Molecule Junctions
Aiko FukazawaManabu KiguchiSatoshi TangeYasunori IchihashiQiang ZhaoTakuya TakahashiTatsuya KonishiKei MurakoshiYuta TsujiAleksandar StaykovKazunari YoshizawaShigehiro Yamaguchi
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Supplementary material

2011 Volume 40 Issue 2 Pages 174-176


Phenylene and biphenyl compounds with dibenzophosphole sulfide (DBPS) as an anchoring group for single molecule junctions were synthesized. The conductance measurements revealed that the phosphine sulfide indeed acts as an anchoring group for Au electrodes. Theoretical calculations including metal electrodes demonstrated that the LUMO level of the DBPS-terminated biphenyl is close to the Au Fermi level, leading to the electron conduction of the Au–molecule–Au junction based on the resonance-tunneling mechanism.

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© 2011 The Chemical Society of Japan
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