Potential induced changes in the electronic states of monolayer guanine on graphite in NaCl solution

N. J. Tao; Z. Shi

doi:10.1016/0039-6028(94)91276-9

Potential induced changes in the electronic states of monolayer guanine on graphite in NaCl solution

N. J. Tao, Z. Shi

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

Monolayer guanine on graphite has been studied in NaCl solution by scanning tunneling microscopy (STM) and atomic force microscopy (AFM) as a function of the substrate potential. The STM image of the monolayer changes dramatically as the potential varies, while the AFM image shows no changes over a broad potential range. The observation indicates that the electronic states of organic films can be modified and controlled at solid-liquid interfaces, and STM can provide a local measurement of potential dependent electronic states.

Original language	English (US)
Pages (from-to)	L217-L223
Journal	Surface Science
Volume	301
Issue number	1-3
DOIs	https://doi.org/10.1016/0039-6028(94)91276-9
State	Published - Jan 10 1994
Externally published	Yes

ASJC Scopus subject areas

Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films
Materials Chemistry

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10.1016/0039-6028(94)91276-9

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abstract = "Monolayer guanine on graphite has been studied in NaCl solution by scanning tunneling microscopy (STM) and atomic force microscopy (AFM) as a function of the substrate potential. The STM image of the monolayer changes dramatically as the potential varies, while the AFM image shows no changes over a broad potential range. The observation indicates that the electronic states of organic films can be modified and controlled at solid-liquid interfaces, and STM can provide a local measurement of potential dependent electronic states.",

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AB - Monolayer guanine on graphite has been studied in NaCl solution by scanning tunneling microscopy (STM) and atomic force microscopy (AFM) as a function of the substrate potential. The STM image of the monolayer changes dramatically as the potential varies, while the AFM image shows no changes over a broad potential range. The observation indicates that the electronic states of organic films can be modified and controlled at solid-liquid interfaces, and STM can provide a local measurement of potential dependent electronic states.

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Potential induced changes in the electronic states of monolayer guanine on graphite in NaCl solution

Abstract

ASJC Scopus subject areas

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