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Controlled Doping of MS2 (M=W, Mo) Nanotubes and Fullerene-like Nanoparticles

Authors


  • We are grateful to the help of R. Popovitz-Biro (HRTEM/EELS), Hilla Friedman (SEM/EDS), Y. Feldman (XRD), H. Cohen and T. Bendikov (XPS), S. R. Cohen (AFM), and Y. Tsverin (some of the conductivity measurements). R.T. gratefully acknowledges the support of ERC project INTIF 226639, the Israel Science Foundation, AddNano project 229284 of the FP7 (EU) program (late tribological measurements), the Harold Perlman Foundation, and the Irving and Cherna Moskowitz Center for Nano and Bio-Nano Imaging. R.T. is the Drake Family Chair in Nanotechnology and director of the Helen and Martin Kimmel Center for Nanoscale Science; A.I.F. and R.V. acknowledge support by the U.S. Department of Energy (DOE) Grant No. DE-FG02-03ER15476. Use of the NSLS was supported by the U.S. DOE Grant No. DE-AC02-98CH10886. Beamlines X18B and X19A at the NSLS are supported in part by the Synchrotron Catalysis Consortium, U. S. DOE Grant No DE-FG02-05ER15688.

Abstract

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Schmierfähige Nanopartikel: Was geschieht, wenn man halbleitende hohle Fulleren-artige MoS2- und WS2-Nanopartikel dotiert? Die Dotierung dieser Nanopartikel mit Rhenium führte zu einem deutlichen Anstieg der Leitfähigkeit, einer reduzierten Agglomeration und einer starken Verringerung von Reibung und Abrieb (siehe Bild) bis hin zur Superschmierfähigkeit.

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