Adsorption and dehydrogenation of tetrahydroxybenzene on Cu(111)

被引：37

作者：

Bebensee, Fabian ^{[1
,2
]}

Svane, Katrine ^{[1
,2
]}

Bombis, Christian ^{[1
,2
]}

Masini, Federico ^{[1
,2
]}

Klyatskaya, Svetlana ^{[3
]}

Besenbacher, Flemming ^{[1
,2
]}

Ruben, Mario ^{[3
,4
]}

Hammer, Bjork ^{[1
,2
]}

Linderoth, Trolle ^{[1
,2
]}

机构：

[1] Aarhus Univ, Sino Danish Ctr Mol Nanostruct Surfaces, Interdisciplinary Nanosci Ctr iNANO, Aarhus C, Denmark

[2] Aarhus Univ, Dept Phys & Astron, Aarhus C, Denmark

[3] KIT, Inst Nanotechnol, Karslruhe, Germany

[4] Univ Strasbourg, CNRS, IPCMS, Strasbourg, France

来源：

CHEMICAL COMMUNICATIONS | 2013年 / 49卷 / 81期

基金：

新加坡国家研究基金会;

关键词：

PHASE-TRANSFORMATIONS; TRIMESIC ACID; DEPROTONATION; NETWORKS; SURFACES; HYDROGEN; METHANOL;

D O I：

10.1039/c3cc45052j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Adsorption of tetrahydroxybenzene (THB) on Cu(111) and Au(111) surfaces is studied using a combination of STM, XPS, and DFT. THB is deposited intact, but on Cu(111) it undergoes gradual dehydrogenation of the hydroxyl groups as a function of substrate temperature, yielding a pure dihydroxy-benzoquinone phase at 370 K. Subtle changes to the adsorption structure upon dehydrogenation are explained from differences in molecule-surface bonding.

引用

页码：9308 / 9310

页数：3

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