2016
DOI: 10.1038/nchem.2552
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Force-induced tautomerization in a single molecule

Abstract: Heat transfer, electrical potential and light energy are common ways to activate chemical reactions. Applied force is another way, but dedicated studies for such a mechanical activation are limited, and this activation is poorly understood at the single-molecule level. Here, we report force-induced tautomerization in a single porphycene molecule on a Cu(110) surface at 5 K, which is studied by scanning probe microscopy and density functional theory calculations. Force spectroscopy quantifies the force needed t… Show more

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Cited by 118 publications
(127 citation statements)
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“…Over approximately the past decade, static force‐extension measurements of single polymer chains have been extensively performed by many researchers . Many articles have already been published on the use of SMFS for characterizing polymers and bio‐macromolecules, such as protein folding, elasticity of macromolecules, DNA mechanics, and the identification of individual molecules . Herein, our focus is on analyzing the physical properties of single polymer chains.…”
Section: Introductionmentioning
confidence: 99%
“…Over approximately the past decade, static force‐extension measurements of single polymer chains have been extensively performed by many researchers . Many articles have already been published on the use of SMFS for characterizing polymers and bio‐macromolecules, such as protein folding, elasticity of macromolecules, DNA mechanics, and the identification of individual molecules . Herein, our focus is on analyzing the physical properties of single polymer chains.…”
Section: Introductionmentioning
confidence: 99%
“…Unbekannte Moleküle kçnnen planarisiert werden, indem man nichtplanare Gruppen oder solche,d ie eine sterische Hinderung darstellen, dissoziieren lässt. Einzelmoleküle kçnnen Umschaltverhalten zeigen, je nach Art der geschlossenen Bindung, [114,119,[134][135][136] der eingenommenen Adsorptionsgeometrie oder Molekülkonformation [83,[137][138][139][140][141] oder dem Ladungszustand. [133] Eine Dehydrierung oder die ¾nderung der Adsorptionsgeometrie durch Manipulation kann auch als "Fingerabdruck-"Methode zur Identifizierung von molekularen Einheiten verwendet werden.…”
Section: Manipulation Von Atomen Fürd Ie Molekülsyntheseunclassified
“…Activating a chemical bond, the most significant elementary step on electronic scales, represents advanced knowledge toward controlled chemistry forming a cornerstone for not only optimal catalysis but also nearly all branches of chemical physics ranging from extrinsic activation using controlled photons, electrons, or forces to intrinsic bond activation using adsorption systems . Generally, all strategies used to activate diatomic molecules of p‐block elements rely on manipulating their π and σ electrons, which lies in the heart of materials' performance of catalyzing a reaction.…”
Section: Introductionmentioning
confidence: 99%