Molecule-substrate coupling between metal phthalocyanines and epitaxial graphene grown on Ru(0001) and Pt(111)

K. Yang; W. D. Xiao; Y. H. Jiang; H. G. Zhang; L. W. Liu; J. H. Mao; H. T. Zhou; S. X. Du; H. J. Gao

doi:10.1021/jp304068a

Molecule-substrate coupling between metal phthalocyanines and epitaxial graphene grown on Ru(0001) and Pt(111)

K. Yang, W. D. Xiao, Y. H. Jiang, H. G. Zhang, L. W. Liu, J. H. Mao, H. T. Zhou, S. X. Du, H. J. Gao^*

^*Corresponding author for this work

CAS - Institute of Physics

Research output: Contribution to journal › Article › peer-review

79 Citations (Scopus)

Abstract

Self-assembly of metal phthalocyanine (MPc) molecules on monolayer graphene (MG) epitaxially grown on Ru(0001) and Pt(111) is investigated by means of low-temperature scanning tunneling microscopy. At low coverage, dispersive single molecules, dispersive molecular chains, and small patches of Kagome lattice are observed for iron phthalocyanine (FePc), manganese phthalocyanine (MnPc), nickel phthalocyanine (NiPc), and phthalocyanine (H ₂Pc) on MG/Ru(0001). In contrast, although MG/Pt(111) exhibits various domains with different moiré patterns and corrugations, FePc molecules always form densely packed two-dimensional islands with a square lattice on MG/Pt(111) at submonolayer coverage. The different self-assembling behaviors of MPc molecules on MG/Ru(0001) and MG/Pt(111) originate from a subtle balance between molecule-molecule and molecule-substrate interactions tuned by central metal ions of the MPc molecules and the metal substrates.

Original language	English
Pages (from-to)	14052-14056
Number of pages	5
Journal	Journal of Physical Chemistry C
Volume	116
Issue number	26
DOIs	https://doi.org/10.1021/jp304068a
Publication status	Published - 5 Jul 2012
Externally published	Yes

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title = "Molecule-substrate coupling between metal phthalocyanines and epitaxial graphene grown on Ru(0001) and Pt(111)",

abstract = "Self-assembly of metal phthalocyanine (MPc) molecules on monolayer graphene (MG) epitaxially grown on Ru(0001) and Pt(111) is investigated by means of low-temperature scanning tunneling microscopy. At low coverage, dispersive single molecules, dispersive molecular chains, and small patches of Kagome lattice are observed for iron phthalocyanine (FePc), manganese phthalocyanine (MnPc), nickel phthalocyanine (NiPc), and phthalocyanine (H 2Pc) on MG/Ru(0001). In contrast, although MG/Pt(111) exhibits various domains with different moir{\'e} patterns and corrugations, FePc molecules always form densely packed two-dimensional islands with a square lattice on MG/Pt(111) at submonolayer coverage. The different self-assembling behaviors of MPc molecules on MG/Ru(0001) and MG/Pt(111) originate from a subtle balance between molecule-molecule and molecule-substrate interactions tuned by central metal ions of the MPc molecules and the metal substrates.",

author = "K. Yang and Xiao, {W. D.} and Jiang, {Y. H.} and Zhang, {H. G.} and Liu, {L. W.} and Mao, {J. H.} and Zhou, {H. T.} and Du, {S. X.} and Gao, {H. J.}",

year = "2012",

month = jul,

day = "5",

doi = "10.1021/jp304068a",

language = "English",

volume = "116",

pages = "14052--14056",

journal = "Journal of Physical Chemistry C",

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T1 - Molecule-substrate coupling between metal phthalocyanines and epitaxial graphene grown on Ru(0001) and Pt(111)

AU - Yang, K.

AU - Xiao, W. D.

AU - Jiang, Y. H.

AU - Zhang, H. G.

AU - Liu, L. W.

AU - Mao, J. H.

AU - Zhou, H. T.

AU - Du, S. X.

AU - Gao, H. J.

PY - 2012/7/5

Y1 - 2012/7/5

N2 - Self-assembly of metal phthalocyanine (MPc) molecules on monolayer graphene (MG) epitaxially grown on Ru(0001) and Pt(111) is investigated by means of low-temperature scanning tunneling microscopy. At low coverage, dispersive single molecules, dispersive molecular chains, and small patches of Kagome lattice are observed for iron phthalocyanine (FePc), manganese phthalocyanine (MnPc), nickel phthalocyanine (NiPc), and phthalocyanine (H 2Pc) on MG/Ru(0001). In contrast, although MG/Pt(111) exhibits various domains with different moiré patterns and corrugations, FePc molecules always form densely packed two-dimensional islands with a square lattice on MG/Pt(111) at submonolayer coverage. The different self-assembling behaviors of MPc molecules on MG/Ru(0001) and MG/Pt(111) originate from a subtle balance between molecule-molecule and molecule-substrate interactions tuned by central metal ions of the MPc molecules and the metal substrates.

AB - Self-assembly of metal phthalocyanine (MPc) molecules on monolayer graphene (MG) epitaxially grown on Ru(0001) and Pt(111) is investigated by means of low-temperature scanning tunneling microscopy. At low coverage, dispersive single molecules, dispersive molecular chains, and small patches of Kagome lattice are observed for iron phthalocyanine (FePc), manganese phthalocyanine (MnPc), nickel phthalocyanine (NiPc), and phthalocyanine (H 2Pc) on MG/Ru(0001). In contrast, although MG/Pt(111) exhibits various domains with different moiré patterns and corrugations, FePc molecules always form densely packed two-dimensional islands with a square lattice on MG/Pt(111) at submonolayer coverage. The different self-assembling behaviors of MPc molecules on MG/Ru(0001) and MG/Pt(111) originate from a subtle balance between molecule-molecule and molecule-substrate interactions tuned by central metal ions of the MPc molecules and the metal substrates.

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DO - 10.1021/jp304068a

M3 - Article

AN - SCOPUS:84863676418

SN - 1932-7447

VL - 116

SP - 14052

EP - 14056

JO - Journal of Physical Chemistry C

JF - Journal of Physical Chemistry C

IS - 26

ER -

Molecule-substrate coupling between metal phthalocyanines and epitaxial graphene grown on Ru(0001) and Pt(111)

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