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Phys Rev Lett. 2004 Oct 1;93(14):147402. Epub 2004 Sep 27.

Quantum mechanical single-gold-nanocluster electroluminescent light source at room temperature.

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1
School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, USA.

Erratum in

  • Phys Rev Lett. 2004 Oct 8;93(15):159901.

Abstract

Electrically contacted gold-nanocluster arrays formed within electromigration-induced break junctions exhibit bright, field-dependent electroluminescence in the near infrared (650-800 nm). Intensity autocorrelation of spatially isolated individual nanocluster emission driven at high electrical frequency (f(ac)= approximately 200 MHz) reveals antibunched electroluminescence at room temperature. These results demonstrate the single quantum nature of several-atom gold molecules and suggest their use as room-temperature electrically driven single-photon sources.

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