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CAS OpenIR  > 中科院上海应用物理研究所2011-2017年  > 期刊论文
题名:
On-surface manipulation of atom substitution between cobalt phthalocyanine and the Cu(111) substrate
作者: 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
刊名: RSC ADVANCES
出版日期: 2017
卷号: 7, 期号:23, 页码:13827-13835
DOI: 10.1039/c7ra00636e
文章类型: 期刊论文
英文摘要: 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.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000396012500019
ISSN号: 2046-2069
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/27400
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
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,2017-01-01,7(23):13827-13835.
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