Orientation and stability of a bi-functional aromatic organic molecular adsorbate on silicon

被引：4

作者：

O'Donnell, K. M. ^{[1
]}

Hedgeland, H. ^{[2
,6
]}

Moore, G. ^{[2
,3
]}

Suleman, A. ^{[2
,3
]}

Siegl, M. ^{[2
,3
]}

Thomsen, L. ^{[4
]}

Warschkow, O. ^{[5
]}

Schofield, S. R. ^{[2
,3
]}

机构：

[1] Curtin Univ, Dept Phys Astron & Med Radiat Sci, Bentley, WA 6102, Australia

[2] UCL, London Ctr Nanotechnol, London WC1H 0AH, England

[3] UCL, Dept Phys & Astron, Mortimer St, London WC1E 6BT, England

[4] Australian Synchrotron, Clayton, Vic 3168, Australia

[5] Univ Sydney, Sch Phys, Ctr Quantum Computat & Commun Technol, Sydney, NSW 2006, Australia

[6] Open Univ, Dept Phys Sci, Walton Hall, Milton Keynes MK7 6AA, Bucks, England

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2016年 / 18卷 / 39期

基金：

英国工程与自然科学研究理事会; 澳大利亚研究理事会;

关键词：

SI(100)-2 X-1; AUSTRALIAN SYNCHROTRON; ADSORPTION; BENZONITRILE; ABSORPTION; DEVICES; BINDING; SURFACE; NEXAFS; FILMS;

D O I：

10.1039/c6cp04328c

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this work we combine scanning tunneling microscopy, near-edge X-ray absorption fine structure spectroscopy, X-ray photoemission spectroscopy and density functional theory to resolve a long-standing confusion regarding the adsorption behaviour of benzonitrile on Si(001) at room temperature. We find that a trough-bridging structure is sufficient to explain adsorption at low coverages. At higher coverages when steric hindrance prevents the phenyl ring lying flat on the surface, the 2+2 cycloaddition structure dominates.

引用

页码：27290 / 27299

页数：10

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