Densely packed overlayer of iron phthalocyanine molecules grown on single-layer graphene

Liwei Liu; Wende Xiao; Jinhai Mao; Haigang Zhang; Yuhang Jiang; Haitao Zhou; Kai Yang; Hongjun Gao

doi:10.1016/j.cclet.2017.06.012

Densely packed overlayer of iron phthalocyanine molecules grown on single-layer graphene

Liwei Liu, Wende Xiao^*, Jinhai Mao, Haigang Zhang, Yuhang Jiang, Haitao Zhou, Kai Yang, Hongjun Gao

^*此作品的通讯作者

物理学院

CAS - Institute of Physics

科研成果: 期刊稿件 › 文章 › 同行评审

3 引用（Scopus）

摘要

The formation of densely packed overlayer of iron phthalocyanine (FePc) molecules on single-layer graphene (SLG) epitaxially grown on Ru(0001) is studied by means of low temperature scanning tunneling microscopy. We show that the FePc molecules form single molecular arrays, ordered honeycomb lattice, Kagome lattice and square lattice with increasing molecular coverage. The densely packed square lattice of the molecular layer is modulated by the moiré pattern of SLG/Ru(0001). The superposition of the square lattice of the molecular layer on the hexagonal lattice of SLG moiré pattern leads to the formation of a larger strip moiré pattern. This coverage-dependent self-assembling behavior of FePc on SLG/Ru(0001) is mainly driven by the inhomogeneous electronic structure of graphene moiré pattern, due to spatial-dependent interfacial charge transfer between SLG and Ru(0001) substrate.

源语言	英语
页（从-至）	183-186
页数	4
期刊	Chinese Chemical Letters
卷	29
期	1
DOI	https://doi.org/10.1016/j.cclet.2017.06.012
出版状态	已出版 - 1月 2018

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title = "Densely packed overlayer of iron phthalocyanine molecules grown on single-layer graphene",

abstract = "The formation of densely packed overlayer of iron phthalocyanine (FePc) molecules on single-layer graphene (SLG) epitaxially grown on Ru(0001) is studied by means of low temperature scanning tunneling microscopy. We show that the FePc molecules form single molecular arrays, ordered honeycomb lattice, Kagome lattice and square lattice with increasing molecular coverage. The densely packed square lattice of the molecular layer is modulated by the moir{\'e} pattern of SLG/Ru(0001). The superposition of the square lattice of the molecular layer on the hexagonal lattice of SLG moir{\'e} pattern leads to the formation of a larger strip moir{\'e} pattern. This coverage-dependent self-assembling behavior of FePc on SLG/Ru(0001) is mainly driven by the inhomogeneous electronic structure of graphene moir{\'e} pattern, due to spatial-dependent interfacial charge transfer between SLG and Ru(0001) substrate.",

keywords = "Coverage-dependent, Graphene, Metal phthalocyanine, Scanning tunneling microscopy, Self-assembly",

author = "Liwei Liu and Wende Xiao and Jinhai Mao and Haigang Zhang and Yuhang Jiang and Haitao Zhou and Kai Yang and Hongjun Gao",

note = "Publisher Copyright: {\textcopyright} 2018 The Author",

year = "2018",

month = jan,

doi = "10.1016/j.cclet.2017.06.012",

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volume = "29",

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TY - JOUR

T1 - Densely packed overlayer of iron phthalocyanine molecules grown on single-layer graphene

AU - Liu, Liwei

AU - Xiao, Wende

AU - Mao, Jinhai

AU - Zhang, Haigang

AU - Jiang, Yuhang

AU - Zhou, Haitao

AU - Yang, Kai

AU - Gao, Hongjun

PY - 2018/1

Y1 - 2018/1

N2 - The formation of densely packed overlayer of iron phthalocyanine (FePc) molecules on single-layer graphene (SLG) epitaxially grown on Ru(0001) is studied by means of low temperature scanning tunneling microscopy. We show that the FePc molecules form single molecular arrays, ordered honeycomb lattice, Kagome lattice and square lattice with increasing molecular coverage. The densely packed square lattice of the molecular layer is modulated by the moiré pattern of SLG/Ru(0001). The superposition of the square lattice of the molecular layer on the hexagonal lattice of SLG moiré pattern leads to the formation of a larger strip moiré pattern. This coverage-dependent self-assembling behavior of FePc on SLG/Ru(0001) is mainly driven by the inhomogeneous electronic structure of graphene moiré pattern, due to spatial-dependent interfacial charge transfer between SLG and Ru(0001) substrate.

AB - The formation of densely packed overlayer of iron phthalocyanine (FePc) molecules on single-layer graphene (SLG) epitaxially grown on Ru(0001) is studied by means of low temperature scanning tunneling microscopy. We show that the FePc molecules form single molecular arrays, ordered honeycomb lattice, Kagome lattice and square lattice with increasing molecular coverage. The densely packed square lattice of the molecular layer is modulated by the moiré pattern of SLG/Ru(0001). The superposition of the square lattice of the molecular layer on the hexagonal lattice of SLG moiré pattern leads to the formation of a larger strip moiré pattern. This coverage-dependent self-assembling behavior of FePc on SLG/Ru(0001) is mainly driven by the inhomogeneous electronic structure of graphene moiré pattern, due to spatial-dependent interfacial charge transfer between SLG and Ru(0001) substrate.

KW - Coverage-dependent

KW - Graphene

KW - Metal phthalocyanine

KW - Scanning tunneling microscopy

KW - Self-assembly

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U2 - 10.1016/j.cclet.2017.06.012

DO - 10.1016/j.cclet.2017.06.012

M3 - Article

AN - SCOPUS:85028441034

SN - 1001-8417

VL - 29

SP - 183

EP - 186

JO - Chinese Chemical Letters

JF - Chinese Chemical Letters

IS - 1

ER -

Densely packed overlayer of iron phthalocyanine molecules grown on single-layer graphene

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