1999
DOI: 10.1557/s0883769400052891
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Advances in the Creation of Filled Nanotubes and Novel Nanowires

Abstract: Soon after the identification of carbon nanotubes, produced by arc-discharge techniques, the possibility of introducing metals into the inner core of the tubes was considered (Figure 1). This idea followed logically from the successful observation of fullerenes containing endohedral metals. The introduction of metals or metal carbides and oxides into multiwalled nanotubes [usually 2–70 nm outside diameter (OD), <60 microns in length] may significantly alter their conducting, electronic, and mechanical prope… Show more

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Cited by 58 publications
(27 citation statements)
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“…M e t a l -c a r b o n n a n o p a r t i c l e s . The encapsulation of crystalline metals in graphitic shells, either in nanotubes or in onions, is a subject of considerable interest [21]. Among techniques such as coevaporation of carbon together with metals at high temperature, irradiation of metal-carbon composites has shown to produce metal crystals that are completely encapsulated by graphitic shells [22].…”
Section: T R a N S F O R M A T I O N O F G R A P H I T E T O D I A M mentioning
confidence: 99%
“…M e t a l -c a r b o n n a n o p a r t i c l e s . The encapsulation of crystalline metals in graphitic shells, either in nanotubes or in onions, is a subject of considerable interest [21]. Among techniques such as coevaporation of carbon together with metals at high temperature, irradiation of metal-carbon composites has shown to produce metal crystals that are completely encapsulated by graphitic shells [22].…”
Section: T R a N S F O R M A T I O N O F G R A P H I T E T O D I A M mentioning
confidence: 99%
“…The filling of CNTs was accepted as an ingenious idea right from the early days of CNT research [9][10][11][12][13][14], and attempts at complete filling of CNTs are an ongoing research activity, rewarded with only partial success [15]. The confined existence of particles inside CNTs might introduce interesting new properties which have not been seen in these systems previously [16].…”
Section: Introductionmentioning
confidence: 99%
“…Filling carbon nanotubes (CNTs) has prompted significant progress in preparation of novel materials with potential control over their intrinsic mechanical and physical properties [1][2][3]. The confined environments of nanotubes permit the formation of unique encapsulated low dimensional structures with unusual properties compared with the bulk with possible applications as nano-catalysts, electronic devices and magnetic tapes [4,5].…”
mentioning
confidence: 99%
“…In most previous reports, certain organometallic compounds containing Fe, Co and Ni have been used for the production of CNT encapsulated binary alloy nanowires [14,15]. We have previously reported a simple and cost effective method to synthesize MWNTs in large yield and good purity by catalytic decomposition of acetylene using certain Zr based AB 2 and Mischmetal (Mm) based AB 2 /AB 5 alloy hydride catalysts, prepared through hydrogen decrepitation technique [16][17][18]. These alloy hydride particles are catalytically very active, due to the presence of transition metals such as Fe, Co or Ni and are free from being oxidized due to their novel preparation technique.…”
mentioning
confidence: 99%