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Study of the Molecular Arrangement of the Metallo-organic Molecule Copper Phthalocyanine on Graphene through Electronic Transport, Atomic Force and Transmission Electron Microscopy

ORAL

Abstract

While the last decade and a half has seen great strides in exploiting graphene's unique electronic properties; more recent years have focused on inducing and tuning functionalities derived from strong electronic correlations, spin-orbit coupling by building heterostructures with two-dimensional materials. Here, we present electronic transport measurements as well as transmission electron microscopy (TEM) and atomic force microscopy (AFM) characterization of a hexagonal boron nitride/graphene/copper phthalocyanine (h-BN/Gr/CuPc) heterostructure. Copper phthalocyanine is a paramagnetic metal-organic molecule consisting of 32 carbons, 16 hydrogens, 8 nitrogens, and a central copper atom. The molecular arrangement of CuPc is known to be highly dependent on the interaction with the substrate and the temperature during deposition. We have observed a marked temperature dependence of the differential conductance of the h-BN/Gr/CuPc device that may be attributed to the rearrangement of the metallo-organic molecules on graphene at different temperatures.

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Authors

  • Francisco Ramirez

    California State University, Long Beach Department of Physics and Astronomy

  • Ina Flood

    Saleh Research Centre, University of Hawaii at Manoa, California State University, Long Beach, University of California Berkeley, University of Arizona, California State University, Long Beach Department of Physics and Astronomy, University of California Los Angeles Department of Physics and Astronomy, University of California, San Diego, University of California, Davis, Donostia International Physics Center, Yale University, Argonne National Laboratory, SLAC - Natl Accelerator Lab, Heidelberg University, Indiana University-Perdue University Indianapolis, Humboldt State University, Indiana University, Syracuse University, University of California Santa Cruz, STAR Teacher Program, Monta Vista High School, Saint Francis High School, Lawrenceville School, INAF, Ben-Gurion University, STScI, University of California, Los Angeles, Wuhan University, Harvey Mudd College, University of Maryland

  • Ina Flood

    Saleh Research Centre, University of Hawaii at Manoa, California State University, Long Beach, University of California Berkeley, University of Arizona, California State University, Long Beach Department of Physics and Astronomy, University of California Los Angeles Department of Physics and Astronomy, University of California, San Diego, University of California, Davis, Donostia International Physics Center, Yale University, Argonne National Laboratory, SLAC - Natl Accelerator Lab, Heidelberg University, Indiana University-Perdue University Indianapolis, Humboldt State University, Indiana University, Syracuse University, University of California Santa Cruz, STAR Teacher Program, Monta Vista High School, Saint Francis High School, Lawrenceville School, INAF, Ben-Gurion University, STScI, University of California, Los Angeles, Wuhan University, Harvey Mudd College, University of Maryland

  • Ina Flood

    Saleh Research Centre, University of Hawaii at Manoa, California State University, Long Beach, University of California Berkeley, University of Arizona, California State University, Long Beach Department of Physics and Astronomy, University of California Los Angeles Department of Physics and Astronomy, University of California, San Diego, University of California, Davis, Donostia International Physics Center, Yale University, Argonne National Laboratory, SLAC - Natl Accelerator Lab, Heidelberg University, Indiana University-Perdue University Indianapolis, Humboldt State University, Indiana University, Syracuse University, University of California Santa Cruz, STAR Teacher Program, Monta Vista High School, Saint Francis High School, Lawrenceville School, INAF, Ben-Gurion University, STScI, University of California, Los Angeles, Wuhan University, Harvey Mudd College, University of Maryland

  • Ina Flood

    Saleh Research Centre, University of Hawaii at Manoa, California State University, Long Beach, University of California Berkeley, University of Arizona, California State University, Long Beach Department of Physics and Astronomy, University of California Los Angeles Department of Physics and Astronomy, University of California, San Diego, University of California, Davis, Donostia International Physics Center, Yale University, Argonne National Laboratory, SLAC - Natl Accelerator Lab, Heidelberg University, Indiana University-Perdue University Indianapolis, Humboldt State University, Indiana University, Syracuse University, University of California Santa Cruz, STAR Teacher Program, Monta Vista High School, Saint Francis High School, Lawrenceville School, INAF, Ben-Gurion University, STScI, University of California, Los Angeles, Wuhan University, Harvey Mudd College, University of Maryland

  • Ina Flood

    Saleh Research Centre, University of Hawaii at Manoa, California State University, Long Beach, University of California Berkeley, University of Arizona, California State University, Long Beach Department of Physics and Astronomy, University of California Los Angeles Department of Physics and Astronomy, University of California, San Diego, University of California, Davis, Donostia International Physics Center, Yale University, Argonne National Laboratory, SLAC - Natl Accelerator Lab, Heidelberg University, Indiana University-Perdue University Indianapolis, Humboldt State University, Indiana University, Syracuse University, University of California Santa Cruz, STAR Teacher Program, Monta Vista High School, Saint Francis High School, Lawrenceville School, INAF, Ben-Gurion University, STScI, University of California, Los Angeles, Wuhan University, Harvey Mudd College, University of Maryland

  • Ina Flood

    Saleh Research Centre, University of Hawaii at Manoa, California State University, Long Beach, University of California Berkeley, University of Arizona, California State University, Long Beach Department of Physics and Astronomy, University of California Los Angeles Department of Physics and Astronomy, University of California, San Diego, University of California, Davis, Donostia International Physics Center, Yale University, Argonne National Laboratory, SLAC - Natl Accelerator Lab, Heidelberg University, Indiana University-Perdue University Indianapolis, Humboldt State University, Indiana University, Syracuse University, University of California Santa Cruz, STAR Teacher Program, Monta Vista High School, Saint Francis High School, Lawrenceville School, INAF, Ben-Gurion University, STScI, University of California, Los Angeles, Wuhan University, Harvey Mudd College, University of Maryland