STM induced photon emission from adsorbed porphyrin molecules on a Cu(100) surface in ultrahigh vacuum

被引：31

作者：

Fujita, D

Ohgi, T

Deng, WL

Nejo, H

Okamoto, T

Yokoyama, S

Kamikado, K

Mashiko, S

机构：

[1] Natl Res Inst Met, Tsukuba, Ibaraki 3050047, Japan

[2] Inst Phys & Chem Res, Wako, Saitama 3510198, Japan

[3] Commun Res Lab, Kobe, Hyogo 6512401, Japan

来源：

SURFACE SCIENCE | 2000年 / 454卷

关键词：

chemisorption; copper; electroluminescence; low index single crystal surfaces; photon emission; scanning tunneling microscopy;

D O I：

10.1016/S0039-6028(00)00274-0

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Photon emission induced by tunneling electrons has been observed from a submonolayer of Cu-tetra-[3,5-di-t-butylphenyl]porphyrin (Cu-TBPP) molecules chemisorbed on a Cu(100) surface in ultrahigh vacuum. Near-field photons generated in a nanometer-scale region with Cu-TBPP molecules were collected effectively through the apex of a conductive optical fiber tip. The photon emission mechanism can be attributed to the inelastic tunneling events involving the tip, the Cu-TBPP molecules, and the Cu(100) substrate. (C) 2000 Elsevier Science B.V. All rights reserved.

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页码：1021 / 1025

页数：5

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