Current rectification in a Langmuir-Schaefer monolayer of fullerene-bis-4-diphenylamino-4 ''-(N-ethyl-N-2 '''-ethyl)amino-1,4-diphenyl-1,3-butadienemalonate between Au electrodes

Honciuc  A; Jaiswal  A; Gong  AAshworth  HSpangler  CWPeterson  IRDalton  LRMetzger  RM

首页> 外文期刊>The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical >Current rectification in a Langmuir-Schaefer monolayer of fullerene-bis-4-diphenylamino-4 ''-(N-ethyl-N-2 '''-ethyl)amino-1,4-diphenyl-1,3-butadienemalonate between Au electrodes

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Current rectification in a Langmuir-Schaefer monolayer of fullerene-bis-4-diphenylamino-4 ''-(N-ethyl-N-2 '''-ethyl)amino-1,4-diphenyl-1,3-butadienemalonate between Au electrodes

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摘要

Langmuir-Schaefer (LS) monolayer films of fullerene-bis-4-diphenylamino-4"-(N-ethyl-N-2"'-ethyl)amino-1,4-diphenyl-1,3-butadiene malonate, 1, sandwiched between two Au electrodes, exhibit pronounced current asymmetries (rectification) between positive and negative bias at room temperature, with no decay of the rectification after several cycles. The device shows symmetrical through-space tunneling for a bias up to +/-3 V, and asymmetrical, unimolecular, "U" type rectifier behavior in the voltage range from +/-3.0 to +/-5.4 V. with rectification ratios up to 16.5. The rectification is ascribed to the asymmetric placement of the relevant molecular orbitals, with respect to the metallic electrodes.

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《The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical》 |2005年第2期|857-871|共15页
作者
Honciuc A; Jaiswal A; Gong AAshworth HSpangler CWPeterson IRDalton LRMetzger RM;
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作者单位

Univ Alabama, Dept Chem, Lab Mol Elect, Tuscaloosa, AL 35487 USA;

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正文语种英语
中图分类物理化学（理论化学）、化学物理学;
关键词
SCANNING-TUNNELING-MICROSCOPY; SELF-ASSEMBLED MONOLAYERS; AIR-WATER-INTERFACE; BLODGETT-FILMS; ELECTRICAL RECTIFICATION; HEXADECYLQUINOLINIUM TRICYANOQUINODIMETHANIDE; GOLD ELECTRODES; 2-PHOTON ABSORPTION; DIPOLE-MOMENTS; C-60;

Current rectification in a Langmuir-Schaefer monolayer of fullerene-bis-4-diphenylamino-4 ''-(N-ethyl-N-2 '''-ethyl)amino-1,4-diphenyl-1,3-butadienemalonate between Au electrodes

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