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Regensburg 2016 – scientific programme

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DS: Fachverband Dünne Schichten

DS 24: 1D Metal Wires on Semiconductors II
(Joint session of DS and O, organized by O)

DS 24.4: Talk

Tuesday, March 8, 2016, 14:45–15:00, S052

Selective One-Dimensional Growth of an Alkyl-Sugar Functionalized Ferrocene of Graphite — •Thiruvancheril Gopakumar, Prithwidip Saha, Khushboo Yadav, Shibin Chako, and Ramesh Ramapanicker — Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, India

Ferrocene molecules are interesting class of semi-conducting organo-metallic molecules because of their excellent redox efficiency. In addition the redox potentials may be manipulated substantially by altering functional groups attached directly to Ferrocene. Here we show, using AFM, selective one-dimensional growth of an alkyl-sugar functionalized Ferrocene molecule on graphite basal plane. The assembly is driven by formation of Ferrocene dimers. The one-dimensional growth selectivity is further enhanced by adding a keto (-C=O) group in the alkyl part of alkyl-sugar group. The growth of elongated molecular islands is only limited by terrace edges or other molecular islands and is controlled by additional inter-dimer hydrogen bonding between keto group and alkyl -C-H groups.

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