Amino acid adsorption effects on nanotube electronics

College

College of Science

Department/Unit

Physics

Document Type

Article

Source Title

Shinku/Journal of the Vacuum Society of Japan

Volume

49

Issue

7

First Page

440

Last Page

442

Publication Date

11-16-2006

Abstract

We discuss effects of the adsorption of glycine, histidine, phenylalanine, and cysteine on the electronic structure of the metallic (3,3) carbon nanotube through calculations within density functional theory. Results show good nanotube electronic structure stability in the presence of the biomolecules. Molecule-nanotube band mixing and band degeneracy lifting are observed, though the limited extents to which these effects are manifested on the system electronics affirm the weak, noncovalent connection at their interface.

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Digitial Object Identifier (DOI)

10.3131/jvsj.49.440

Disciplines

Physics

Keywords

Carbon nanotubes—Absorption and adsorption; Electronic structure

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