Picosecond time resolved conductance measurements of redox molecular junctions

被引：10
|
作者：
Arielly, Rani [1 ]
Nachman, Nirit [1 ]
Zelinskyy, Yaroslav [2 ]
May, Volkhard [2 ]
Selzer, Yoram [1 ]
机构：
[1] Tel Aviv Univ, Sch Chem, IL-69978 Tel Aviv, Israel
[2] Humboldt Univ, Inst Phys, Newtonstr 15, D-12489 Berlin, Germany
来源：
JOURNAL OF CHEMICAL PHYSICS | 2017年 / 146卷 / 09期
基金：
以色列科学基金会;
关键词：
ELECTRON-TRANSFER; HOT CARRIERS; TRANSPORT; RECTIFICATION; HYSTERESIS; WIRES;
D O I：
10.1063/1.4972073
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：
Due to bandwidth limitations of state of the art electronics, the transient transport properties of molecular junctions are experimentally a terra incognita, which can only be explored if novel picosecond current-probing techniques are developed. Here we demonstrate one such approach: the laser pulse pair sequence scheme. The method is used to monitor in picosecond resolution the oxidation state of a redox molecule, 6-ferrocenyl-1-hexanethiol, within a junction and to quantify its redox rate constant, which is found to be (80 ps)(-1). Published by AIP Publishing.
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页数：6
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