Molecular Graph Paper

Lindner, Marcin and Valasek, Michal and Mayor, Marcel and Frauhammer, Timo and Wulfhekel, Wulf and Gerhard, Lukas. (2017) Molecular Graph Paper. Angewandte Chemie International Edition, 56 (28). pp. 8290-8294.

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Official URL: https://edoc.unibas.ch/63277/

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We present a self-assembled template that consists of tetraphenylmethane derivatives and adopts a periodic lateral arrangement on a Au(111) surface with acetyl groups sticking out of the molecular film. By using the tip of a scanning tunneling microscope, these acetyl groups can be removed in a spatially controlled way without significantly affecting the remaining molecular assembly. The chemically modified molecules can be readily distinguished from the original ones such that information can be engraved in the molecular film. Both the modified nature of an individual molecule and the order of the molecular film are shown to persist at room temperature. The mesh size of this molecular graph paper can be tuned by varying the length of the molecular spacer so that writing and reading information on the nanoscale with variable letter sizes becomes possible.
Faculties and Departments:05 Faculty of Science > Departement Chemie
05 Faculty of Science > Departement Chemie > Chemie > Molecular Devices and Materials (Mayor)
UniBasel Contributors:Mayor, Marcel
Item Type:Article, refereed
Article Subtype:Research Article
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:25 Feb 2020 08:13
Deposited On:16 Apr 2018 08:25

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