论文标题
诱导锚定在AU上的单个O MEO DMBI分子的受控旋转（111）
Inducing the controlled rotation of single o MeO DMBI molecules anchored on Au(111)
论文作者
论文摘要
构建单分子机的关键步骤是逐步控制分子和纳米结构的旋转。在这里，我们使用了来自扫描隧道显微镜尖端的隧道电子，以实现复杂的O-Meo-DMBI分子的受控旋转。我们通过在低温下扫描隧道显微镜研究了单个O-Meo-DMBI分子在AU上的吸附。表面上分子的对映体形式可以通过在高偏置电压下通过STM成像分子来确定。我们通过横向操纵实验观察到，分子在表面上的化学物质，并通过其甲氧基组固定在Au（111）上，并用氧气键固定在Au（111）上。由非弹性隧道电子驱动，O-Meo-DMBI分子可以根据其对映体形式进行顺时针或逆时针旋转，逐步和单向旋转。
A key step towards building single molecule machines is to control the rotation of molecules and nanostructures step by step on a surface. Here, we used the tunneling electrons coming from the tip of a scanning tunneling microscope to achieve the controlled directed rotation of complex o-MeO-DMBI molecules. We studied the adsorption of single o-MeO-DMBI molecules on Au(111) by scanning tunneling microscopy at low temperature. The enantiomeric form of the molecule on the surface can be determined by imaging the molecule by STM at high bias voltage. We observed by lateral manipulation experiments that the molecules chemisorb on the surface and are anchored on Au(111) with an oxygen-gold bond via their methoxy-group. Driven by inelastic tunneling electrons, o-MeO-DMBI molecules can controllably rotate, stepwise and unidirectional, either clockwise or counterclockwise depending on their enantiomeric form.
