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Collective reactivity of molecular chains self-assembled on a surface

Maksymovych, P and Sorescu, DC and Jordan, KD and Yates, JT (2008) Collective reactivity of molecular chains self-assembled on a surface. Science, 322 (5908). 1664 - 1667. ISSN 0036-8075

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Abstract

Self-assembly of molecules on surfaces is a route toward not only creating structures, but also engineering chemical reactivity afforded by the intermolecular interactions. Dimethyldisulfide (CH SSCH ) molecules self-assemble into linear chains on single-crystal gold surfaces. Injecting low-energy electrons into individual molecules in the self-assembled structures with the tip of a scanning tunneling microscope led to a propagating chemical reaction along the molecular chain as sulfur-sulfur bonds were broken and then reformed to produce new CH SSCH molecules. Theoretical and experimental evidence supports a mechanism involving electron attachment followed by dissociation of a CH SSCH molecule and initiation of a chain reaction by one or both of the resulting CH S intermediates. 3 3 3 3 3 3 3


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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Maksymovych, P
Sorescu, DC
Jordan, KDjordan@pitt.eduJORDAN
Yates, JT
Centers: Other Centers, Institutes, Offices, or Units > Center for Molecular and Materials Simulations
Date: 12 December 2008
Date Type: Publication
Journal or Publication Title: Science
Volume: 322
Number: 5908
Page Range: 1664 - 1667
DOI or Unique Handle: 10.1126/science.1165291
Schools and Programs: Dietrich School of Arts and Sciences > Chemistry
Refereed: Yes
ISSN: 0036-8075
PubMed ID: 19074343
Date Deposited: 07 Nov 2012 19:24
Last Modified: 30 Mar 2021 12:55
URI: http://d-scholarship.pitt.edu/id/eprint/16152

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