J
J. Fraser Stoddart
Researcher at Northwestern University
Publications - 1277
Citations - 106134
J. Fraser Stoddart is an academic researcher from Northwestern University. The author has contributed to research in topics: Catenane & Supramolecular chemistry. The author has an hindex of 147, co-authored 1239 publications receiving 96083 citations. Previous affiliations of J. Fraser Stoddart include Zhejiang University & Northwest University (United States).
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Journal ArticleDOI
Oligorotaxane Radicals under Orders
Yuping Wang,Marco Frasconi,Marco Frasconi,Wei Guang Liu,Junling Sun,Yilei Wu,Majed S. Nassar,Youssry Y. Botros,Youssry Y. Botros,William A. Goddard,Michael R. Wasielewski,J. Fraser Stoddart +11 more
TL;DR: Investigations suggest that UV/vis/NIR spectroscopic and electrochemical investigations suggest that the reduced oligopseudorotaxanes fold into highly ordered secondary structures as a result of the formation of BIPY•+ radical cation pairs.
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Models of charge transport and transfer in molecular switch tunnel junctions of bistable catenanes and rotaxanes
TL;DR: In this paper, simplified models of the transfer processes that could be present in bistable molecular switch tunnel junction (MSTJ) devices during one complete cycle of the device from its low- to high- and back to low-conductance state were considered.
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Mechanically induced intramolecular electron transfer in a mixed-valence molecular shuttle
Jonathan C. Barnes,Albert C. Fahrenbach,Scott M. Dyar,Marco Frasconi,Marc A. Giesener,Zhixue Zhu,Zhichang Liu,Karel J. Hartlieb,Ranaan Carmieli,Michael R. Wasielewski,J. Fraser Stoddart +10 more
TL;DR: Using electron paramagnetic resonance (EPR) spectroscopy, the process of IET was investigated by monitoring the line broadening at varying temperatures and determining the rate constant and activation energy for electron transfer.
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Iodide-catalysed self-assembly of donor-acceptor [3]catenanes
TL;DR: Charged donor-acceptor catenanes comprising the pi-accepting cyclobis(paraquat-4,4'-biphenylene) and pi-donating aromatic crown ether macrocycles have been prepared in high yields using thermodynamically controlled dynamic nucleophilic substitution.
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Multiply stranded and multiply encircled pseudorotaxanes
Peter R. Ashton,Matthew C. T. Fyfe,Peter T. Glink,Stephan Menzer,J. Fraser Stoddart,and Andrew J. P. White,David J. Williams +6 more
TL;DR: In this article, the self-assembly of four multicomponent rotaxane-like complexes, in which either three or four dibenzo[24]crown-8 rings encircle threadlike oligoammonium cations [PhCH2(NH2+CH2C6H4CH2)nNH2 +CH2Ph] (n = 2 or 3) to form multiply encircled pseudorotaxanes, or (b) 3 or four Dibenzylammonium ions are threaded simultaneously through large macrocycl