Molecular simulation study of 1,5-diphenylcarbazide self-assembled monolayers on a copper surface

In this study, the adsorption process of 1,5- diphenylcarbazide (DPC) self-assembled monolayers on a copper surface was investigated by using molecular mechanics. The results indicated that the interaction of the α-electrons in the -NH-NH- group and the π-electrons in the phenyl ring could lead to s...

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Main Authors: Liu Guangzeng, Chen Shenhao, Hongfang Ma, Liu Xiuyu
Format: Article
Language:English
Published: Serbian Chemical Society 2007-01-01
Series:Journal of the Serbian Chemical Society
Subjects:
Online Access:http://www.doiserbia.nb.rs/img/doi/0352-5139/2007/0352-51390705475L.pdf
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author Liu Guangzeng
Chen Shenhao
Hongfang Ma
Liu Xiuyu
author_facet Liu Guangzeng
Chen Shenhao
Hongfang Ma
Liu Xiuyu
author_sort Liu Guangzeng
collection DOAJ
description In this study, the adsorption process of 1,5- diphenylcarbazide (DPC) self-assembled monolayers on a copper surface was investigated by using molecular mechanics. The results indicated that the interaction of the α-electrons in the -NH-NH- group and the π-electrons in the phenyl ring could lead to strong adsorption of the highly symmetric DPC molecules on a copper surface. The synergy effect of the phenyl ring and the -NH-NH- group made the whole DPC molecule lay in parallel orientation on a copper surface when the coverage was low. However, at high coverage, the phenyl ring was slightly tilted because of the repulsion of the DPC molecules, while the -NH-NH- groups remained parallel to the copper surface.
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spelling doaj.art-a9e2994d16a741b7b2f1973027eb6ba92022-12-21T17:23:47ZengSerbian Chemical SocietyJournal of the Serbian Chemical Society0352-51391820-74212007-01-0172547548410.2298/JSC0705475L0352-51390705475LMolecular simulation study of 1,5-diphenylcarbazide self-assembled monolayers on a copper surfaceLiu Guangzeng0Chen Shenhao1Hongfang Ma2Liu Xiuyu3Department of Chemistry, Shandong University, Jinan, ChinaDepartment of Chemistry, Shandong University, Jinan, China + State Key Laboratory for Corrosion and Protection, Shenyang, ChinaDepartment of Chemistry, Shandong University, Jinan, ChinaDepartment of Chemistry, Shandong University, Jinan, ChinaIn this study, the adsorption process of 1,5- diphenylcarbazide (DPC) self-assembled monolayers on a copper surface was investigated by using molecular mechanics. The results indicated that the interaction of the α-electrons in the -NH-NH- group and the π-electrons in the phenyl ring could lead to strong adsorption of the highly symmetric DPC molecules on a copper surface. The synergy effect of the phenyl ring and the -NH-NH- group made the whole DPC molecule lay in parallel orientation on a copper surface when the coverage was low. However, at high coverage, the phenyl ring was slightly tilted because of the repulsion of the DPC molecules, while the -NH-NH- groups remained parallel to the copper surface.http://www.doiserbia.nb.rs/img/doi/0352-5139/2007/0352-51390705475L.pdfself-assembled monolayers (sams) 15-diphenylcarbazidecoppermolecularmechanics
spellingShingle Liu Guangzeng
Chen Shenhao
Hongfang Ma
Liu Xiuyu
Molecular simulation study of 1,5-diphenylcarbazide self-assembled monolayers on a copper surface
Journal of the Serbian Chemical Society
self-assembled monolayers (sams) 1
5-diphenylcarbazide
copper
molecularmechanics
title Molecular simulation study of 1,5-diphenylcarbazide self-assembled monolayers on a copper surface
title_full Molecular simulation study of 1,5-diphenylcarbazide self-assembled monolayers on a copper surface
title_fullStr Molecular simulation study of 1,5-diphenylcarbazide self-assembled monolayers on a copper surface
title_full_unstemmed Molecular simulation study of 1,5-diphenylcarbazide self-assembled monolayers on a copper surface
title_short Molecular simulation study of 1,5-diphenylcarbazide self-assembled monolayers on a copper surface
title_sort molecular simulation study of 1 5 diphenylcarbazide self assembled monolayers on a copper surface
topic self-assembled monolayers (sams) 1
5-diphenylcarbazide
copper
molecularmechanics
url http://www.doiserbia.nb.rs/img/doi/0352-5139/2007/0352-51390705475L.pdf
work_keys_str_mv AT liuguangzeng molecularsimulationstudyof15diphenylcarbazideselfassembledmonolayersonacoppersurface
AT chenshenhao molecularsimulationstudyof15diphenylcarbazideselfassembledmonolayersonacoppersurface
AT hongfangma molecularsimulationstudyof15diphenylcarbazideselfassembledmonolayersonacoppersurface
AT liuxiuyu molecularsimulationstudyof15diphenylcarbazideselfassembledmonolayersonacoppersurface