Conformational molecular switch of the azobenzene molecule

A scanning tunneling microscopy study

Byoung Young Choi, Se-Jong Kahng, Seungchul Kim, Hajin Kim, Hyo Won Kim, Young Jae Song, Jisoon Ihm, Young Kuk

Research output: Contribution to journalArticle

287 Citations (Scopus)

Abstract

We propose to utilize azobenzene as a nanomolecular switch which can be triggered by transmitting electrons above threshold biases. The effect is explained by an electron impact trans-cis conformational change of the isolated azobenzene molecules. The molecular electronic states of both isomers have been measured with spatially resolved scanning tunneling microscopy or spectroscopy, leading to suggested transition pathways of the electron-induced isomerization.

Original languageEnglish
Article number156106
JournalPhysical Review Letters
Volume96
Issue number15
DOIs
Publication statusPublished - 2006 May 12

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scanning tunneling microscopy
switches
molecular electronics
isomerization
electron impact
molecules
electrons
isomers
thresholds
spectroscopy

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Conformational molecular switch of the azobenzene molecule : A scanning tunneling microscopy study. / Choi, Byoung Young; Kahng, Se-Jong; Kim, Seungchul; Kim, Hajin; Kim, Hyo Won; Song, Young Jae; Ihm, Jisoon; Kuk, Young.

In: Physical Review Letters, Vol. 96, No. 15, 156106, 12.05.2006.

Research output: Contribution to journalArticle

Choi, Byoung Young ; Kahng, Se-Jong ; Kim, Seungchul ; Kim, Hajin ; Kim, Hyo Won ; Song, Young Jae ; Ihm, Jisoon ; Kuk, Young. / Conformational molecular switch of the azobenzene molecule : A scanning tunneling microscopy study. In: Physical Review Letters. 2006 ; Vol. 96, No. 15.
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