Concepts for Molecular Machines by Jubaraj Bikash Baruah

Author:Jubaraj Bikash Baruah
Language: eng
Format: epub
Publisher: World Scientific Publishing Co. Pte. Ltd.
Published: 2018-04-17T04:00:00+00:00

Figure 2.41. Donor acceptor pairs that form different charge-transfer complexes.

Figure 2.42. Examples of conformational molecular rectifiers: (a) due to different orientation of the cyano-group and (b) Different conformation due to change in orientation of naphthyl group.48

Conformational molecular rectifiers (CMR) of molecules attached to gold surfaces through their thiol groups are shown in Figure 2.42a and Figure 2.42b. These molecules are suitable for changing conformation once placed in a tunneling junction. Characteristic current-voltage plots of these molecules show significant rectification. In each examples shown in Figure 2.42, molecules are comprise of a dipolar rotating part whose orientations are dependent on electric field.

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