Narrow-Line Single-Molecule Transducer between Electronic Circuits and Surface Plasmons

被引：78

作者：

Chong, Michael C. ^{[1
]}

Reecht, Gael ^{[1
]}

Bulou, Herve ^{[1
]}

Boeglin, Alex ^{[1
]}

Scheurer, Fabrice ^{[1
]}

Mathevet, Fabrice ^{[2
]}

Schull, Guillaume ^{[1
]}

机构：

[1] Univ Strasbourg, Inst Phys & Chim Mat Strasbourg, CNRS, UMR 7504, F-67034 Strasbourg, France

[2] Univ Paris 06, CNRS, Inst Parisien Chim Mol, Chim Polymeres,UMR 8232, F-94200 Ivry, France

来源：

PHYSICAL REVIEW LETTERS | 2016年 / 116卷 / 03期

关键词：

METAL; PHOTONS;

D O I：

10.1103/PhysRevLett.116.036802

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A molecular wire containing an emitting molecular center is controllably suspended between the plasmonic electrodes of a cryogenic scanning tunneling microscope. Passing current through this circuit generates an ultranarrow-line emission at an energy of approximate to 1.5 eV which is assigned to the fluorescence of the molecular center. Control over the linewidth is obtained by progressively detaching the emitting unit from the surface. The recorded spectra also reveal several vibronic peaks of low intensities that can be viewed as a fingerprint of the emitter. Surface plasmons localized at the tip-sample interface are shown to play a major role in both excitation and emission of the molecular excitons.

引用

页数：5

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