Closed Mechanoelectrochemical Cycles of Individual Single‐Chain Macromolecular Motors by AFM
2007; Wiley; Volume: 46; Issue: 44 Linguagem: Inglês
10.1002/anie.200702387
ISSN1521-3773
AutoresWeiqing Shi, Marina I. Giannotti, Xi Zhang, Mark A. Hempenius, Holger Schönherr, G. Julius Vancsó,
Tópico(s)Nanopore and Nanochannel Transport Studies
ResumoAngewandte Chemie International EditionVolume 46, Issue 44 p. 8400-8404 Communication Closed Mechanoelectrochemical Cycles of Individual Single-Chain Macromolecular Motors by AFM† Weiqing Shi, Weiqing Shi Department of Materials Science and Technology of Polymers, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands, Fax: (+31) 53-489-3823 Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing 100084, P.R. ChinaSearch for more papers by this authorMarina I. Giannotti Dr., Marina I. Giannotti Dr. Department of Materials Science and Technology of Polymers, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands, Fax: (+31) 53-489-3823Search for more papers by this authorXi Zhang Prof. Dr., Xi Zhang Prof. Dr. Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing 100084, P.R. ChinaSearch for more papers by this authorMark A. Hempenius Dr., Mark A. Hempenius Dr. Department of Materials Science and Technology of Polymers, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands, Fax: (+31) 53-489-3823Search for more papers by this authorHolger Schönherr Dr., Holger Schönherr Dr. Department of Materials Science and Technology of Polymers, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands, Fax: (+31) 53-489-3823Search for more papers by this authorG. Julius Vancso Prof. Dr., G. Julius Vancso Prof. Dr. [email protected] Department of Materials Science and Technology of Polymers, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands, Fax: (+31) 53-489-3823Search for more papers by this author Weiqing Shi, Weiqing Shi Department of Materials Science and Technology of Polymers, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands, Fax: (+31) 53-489-3823 Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing 100084, P.R. ChinaSearch for more papers by this authorMarina I. Giannotti Dr., Marina I. Giannotti Dr. Department of Materials Science and Technology of Polymers, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands, Fax: (+31) 53-489-3823Search for more papers by this authorXi Zhang Prof. Dr., Xi Zhang Prof. Dr. Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing 100084, P.R. ChinaSearch for more papers by this authorMark A. Hempenius Dr., Mark A. Hempenius Dr. Department of Materials Science and Technology of Polymers, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands, Fax: (+31) 53-489-3823Search for more papers by this authorHolger Schönherr Dr., Holger Schönherr Dr. Department of Materials Science and Technology of Polymers, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands, Fax: (+31) 53-489-3823Search for more papers by this authorG. Julius Vancso Prof. Dr., G. Julius Vancso Prof. Dr. [email protected] Department of Materials Science and Technology of Polymers, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands, Fax: (+31) 53-489-3823Search for more papers by this author First published: 02 November 2007 https://doi.org/10.1002/anie.200702387Citations: 56 † The authors thank Dr. M. Péter and Dr. R. G. H. Lammertink for their contribution to the synthesis of PFS100, and Jing Song and Yujie Ma for their contributions and invaluable discussions. Financial support by the Netherlands Organization for Scientific Research (NWO Echo project 700.54.021; NWO middelgroot grant 700.54.102), the European Commission (IIF Marie Curie Fellowship, MIF1-CT-2004-008919), and the MESA+ Institute for Nanotechnology is gratefully acknowledged. Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Graphical Abstract Motor cycles: Mechanoelectrochemical loops of single-chain macromolecular motors based on individual end-grafted poly(ferrocenyldimethylsilane) are shown by AFM to have an efficiency of up to 26 %. Upon oxidation of a prestretched chain, the chain length increases and the force decreases significantly as a result of intramolecular electrostatic repulsion between oxidized ferrocene units (see picture). References 1 1a H. Y. Wang, G. Oster, Nature 1998, 396, 279– 282; 1bP. D. Boyer, Annu. Rev. 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Vancso, Langmuir 2004, 20, 6278– 6287. 18Polymer chains were also successfully stretched if the tip touched the surface; see, for example, Figure 2 a. 19Contact rupture force refers to breaking of the weakest link (polymer–AFM tip desorption in this case). 20W. Zhang, X. Zhang, Prog. Polym. Sci. 2003, 28, 1271– 1295. 21H. B. Li, W. K. Zhang, W. Q. Xu, X. Zhang, Macromolecules 2000, 33, 465– 469. 22L. Sonnenberg, J. Parvole, O. Borisov, L. Billon, H. E. Gaub, M. Seitz, Macromolecules 2006, 39, 281– 288. 23D. A. Foucher, B. Z. Tang, I. Manners, J. Am. Chem. Soc. 1992, 114, 6246– 6248. 24Unpublished results. 25 25aT. Odijk, Macromolecules 1979, 12, 688– 693; 25bJ. Skolnick, M. Fixman, Macromolecules 1977, 10, 944– 948. 26The Kuhn length and segment elasticities according to the m-FJC model used in reference [13] for neutral and oxidized PFS100 were 0.38 and 0.65 nm, and 30 and 45 nN nm−1, respectively. 27The dependence of the fit parameters on the magnitude of the extension and force is well known; see, for example: T. Hugel, M. Grosholz, H. Clausen-Schaumann, A. Pfau, H. E. Gaub, M. Seitz, Macromolecules 2001, 34, 1039– 1047. 28H. J. Butt, M. Jaschke, Nanotechnology 1995, 6, 1– 7. Citing Literature Volume46, Issue44November 12, 2007Pages 8400-8404 ReferencesRelatedInformation
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