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Functional Self-Assembled Monolayers in Field Effect Transistors

Juan J. De Pablo, University of Wisconsin-Madison, DMR 0520527. Byoung-Nam Park, Peerasak Paoprasert, Insik In, Jodi Zwickey, Paula E. Colavita, Robert J. Hamers, Padma Gopalan, and Paul. G. Evans. Functional Self-Assembled Monolayers in Field Effect Transistors.

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Functional Self-Assembled Monolayers in Field Effect Transistors

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  1. Juan J. De Pablo, University of Wisconsin-Madison, DMR 0520527 Byoung-Nam Park, Peerasak Paoprasert, Insik In, Jodi Zwickey, Paula E. Colavita, Robert J. Hamers, Padma Gopalan, and Paul. G. Evans Functional Self-Assembled Monolayers in Field Effect Transistors B. Park, et al., Adv. Mater. 19, 4353 (2007). The electronic behavior of field effect transistors (above) depends on properties of interfaces, including, Park et al. have found, electronic states introduced using self-assembled monolayer techniques. States associated with a C60-terminated monolayer (at left) participate in photoinduced charge transfer leading to large changes in the electronic properties of a pentacene transistor. The transistors are sensitive probes of the physics of the charge transfer process, which is the essential step in organic optoelectronic devices including light emitting diodes and solar cells. This work was supported by the National Science Foundation through the University of Wisconsin Materials Research Science and Engineering Center, DMR-0520527.

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