On-surface manipulation of atom substitution between cobalt phthalocyanine and the Cu(111) substrate

doi:10.1039/c7ra00636e

CAS OpenIR > 中科院上海应用物理研究所2011-2018年

	On-surface manipulation of atom substitution between cobalt phthalocyanine and the Cu(111) substrate
	Shen, KC; Narsu, B; Ji, GW; Sun, HL; Hu, JB; Liang, ZF; Gao, XY; Li, HY; Li, ZS; Song, B; Jiang, Z; Huang, H; Wells, JW; Song, F
	2017
Source Publication	RSC ADVANCES
ISSN	2046-2069
Volume	7 Issue:23 Pages:13827-13835
Subtype	期刊论文
Abstract	On-surface fabrication of controllable nanostructures is an appealing topic in the field of molecular electronics. Herein, the adsorption of cobalt phthalocyanine (CoPc) on a Cu(111) surface is investigated utilizing a combination of photoelectron spectroscopy (PES) and density functional theory (DFT). Interestingly, the scenario of atom exchange is discovered at the interface at room temperature (RT), namely the substitution of the cobalt atom in CoPc by a surface Cu adatom. Moreover, thermal annealing enhances the substitution process considerably which is demonstrated to be complete at about 573 K. As revealed by DFT calculations, the driving force for the observed interface transmetalation is most probably provided by the initial strong molecular-substrate interaction between Co atoms and the Cu(111) surface, the external thermodynamic energy gained from thermal sublimation and thermal annealing, and the tendency to form Co-Cu alloy at the interface. While CoPc has been successfully utilized in electrocatalysts for fuel cell applications and CuPc is commonly used as a leading material in organic solar cells, this report of interface transmetalation from CoPc to CuPc in a solid state environment may offer an encouraging approach towards the artificial engineering of organometallic nanostructures and related properties for surface catalysts, molecular electronics and so on.
DOI	10.1039/c7ra00636e
Indexed By	SCI
Language	英语
WOS ID	WOS:000396012500019
Citation statistics
Document Type	期刊论文
Identifier	http://ir.sinap.ac.cn/handle/331007/27400
Collection	中科院上海应用物理研究所2011-2018年
Recommended Citation GB/T 7714	Shen, KC,Narsu, B,Ji, GW,et al. On-surface manipulation of atom substitution between cobalt phthalocyanine and the Cu(111) substrate[J]. RSC ADVANCES,2017,7(23):13827-13835.
APA	Shen, KC.,Narsu, B.,Ji, GW.,Sun, HL.,Hu, JB.,...&Song, F.(2017).On-surface manipulation of atom substitution between cobalt phthalocyanine and the Cu(111) substrate.RSC ADVANCES,7(23),13827-13835.
MLA	Shen, KC,et al."On-surface manipulation of atom substitution between cobalt phthalocyanine and the Cu(111) substrate".RSC ADVANCES 7.23(2017):13827-13835.

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