Chlorine Adsorption on Au(111):  Chlorine Overlayer or Surface Chloride?

We report the first scanning tunneling microscope (STM) investigation, combined with density functional theory calculations, to resolve controversy regarding the bonding and structure of chlorine adsorbed on Au(111). STM experiments are carried out at 120 K to overcome instability caused by mobile s...

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Veröffentlicht in:Journal of the American Chemical Society 2008-03, Vol.130 (11), p.3560-3565
Hauptverfasser: Gao, Weiwei, Baker, Thomas A, Zhou, Ling, Pinnaduwage, Dilini S, Kaxiras, Efthimios, Friend, Cynthia M
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container_issue 11
container_start_page 3560
container_title Journal of the American Chemical Society
container_volume 130
creator Gao, Weiwei
Baker, Thomas A
Zhou, Ling
Pinnaduwage, Dilini S
Kaxiras, Efthimios
Friend, Cynthia M
description We report the first scanning tunneling microscope (STM) investigation, combined with density functional theory calculations, to resolve controversy regarding the bonding and structure of chlorine adsorbed on Au(111). STM experiments are carried out at 120 K to overcome instability caused by mobile species upon chlorine adsorption at room temperature. Chlorine adsorption initially lifts the herringbone reconstruction. At low coverages (
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Am. Chem. Soc</addtitle><date>2008-03-19</date><risdate>2008</risdate><volume>130</volume><issue>11</issue><spage>3560</spage><epage>3565</epage><pages>3560-3565</pages><issn>0002-7863</issn><eissn>1520-5126</eissn><abstract>We report the first scanning tunneling microscope (STM) investigation, combined with density functional theory calculations, to resolve controversy regarding the bonding and structure of chlorine adsorbed on Au(111). STM experiments are carried out at 120 K to overcome instability caused by mobile species upon chlorine adsorption at room temperature. Chlorine adsorption initially lifts the herringbone reconstruction. At low coverages (&lt;0.33 ML), chlorine binds to the top of Au(111)-(1 × 1) surface and leads to formation of an overlayer with (×)R30° structure at 0.33 ML. At higher coverages, packing chlorine into an overlayer structure is no longer favored. 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subjects Adsorption
Chlorine - chemistry
Gold - chemistry
Microscopy, Scanning Tunneling - methods
Models, Chemical
Particle Size
Spectrophotometry
Surface Properties
X-Rays
title Chlorine Adsorption on Au(111):  Chlorine Overlayer or Surface Chloride?
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