Conductance of a molecular junction
Conductance of a molecular junction
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DOI：
10.1126/science.278.5336.252
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发表时间：
1997-10-10
期刊：
影响因子：
56.9
通讯作者：
Tour, JM
中科院分区：
文献类型：
--
作者：
Reed, MA;Zhou, C;Tour, JM
将苯-1，4-二硫醇分子自组装到机械可控断裂结的两个面对的金电极上以形成静态稳定的金-硫-芳基-硫-金系统，从而允许直接观察通过分子的电荷传输。室温下的电流-电压测量表明在约0.7伏下具有高度可再现的表观间隙，电导-电压曲线在两个偏置方向上都显示出两个台阶，这项研究提供了包含单个分子的结的电导的定量测量，这是分子尺度电子学新兴领域的基础性一步。
Molecules of benzene-1,4-dithiol were self-assembled onto the two facing gold electrodes of a mechanically controllable break junction to form a statically stable gold-sulfur-aryl-sulfur-gold system, allowing for direct observation of charge transport through the molecules, Current-voltage measurements at room temperature demonstrated a highly reproducible apparent gap at about 0.7 volt, and the conductance-voltage curve showed two steps in both bias directions, This study provides a quantative measure of the conductance of a junction containing a single molecule, which is a fundamental step in the emerging area of molecular-scale electronics.