journal article·2011-02-22

Simple Formation of C60 and C60-Ferrocene Conjugated Monolayers Anchored onto Silicon Oxide with Five Carboxylic Acids and Their Transistor Applications

Yoshimitsu Itoh, Bumjung Kim, Raluca I. Gearba, Noah J. Tremblay, Ron Pindak, Yutaka Matsuo, Eiichi Nakamura, Colin Nuckolls

Chemistry of Materials· Volume 23· Issue 4
Publisher page

Abstract

C 60 and C 60 -ferrocene conjugated molecule bearing five carboxylic acids successfully anchor onto a silicon oxide surface as a monolayer through a simple method of simply dipping an amino-terminated surface into the solution of the C 60 derivatives. The monolayer structure was characterized by UV−vis spectroscopy, X-ray reflectivity, X-ray photoelectron spectroscopy, and IR spectroscopy to reveal that the molecules are standing presenting its C 60 spherical face at the surface. The electronic effect of the C 60 monolayer and the ferrocene-functionalized C 60 monolayer in OFET devices was investigated. When an n -type OFET was fabricated on the ferrocene functionalized monolayer, we see an enhancement in the mobility. When a p -type OFET was made the ferrocene-functionalized C 60 monolayer showed a lowering of the carrier mobility.
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Research context

OpenAlex topics: Molecular Junctions and Nanostructures · Fullerene Chemistry and Applications · Graphene research and applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Deparment of Chemistry and The Center for Electron Transport in Molecular Nanostructures, Columbia University, New York, New York 10027, United States

Department of Chemistry, The Univeristy of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan

Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, United States

National Synchrotron Light Source, Brookhaven National Laboratory, Upton, New York 11973, United States

Nakamura Functional Carbon Cluster Project, ERATO, Japan Science and Technology Agency, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan

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