Abstract
Background: Synthesis, properties, structural peculiarities, and applications of nanobuds and related nanostructures are discussed. In addition, few relevant patents to the topic have been reviewed and cited. According to observed properties and those predicted by DFT calculations, the nanobuds are semiconducting and stable in normal conditions, can accept adatoms and molecules. They contain a relatively chemically inert carbon nanotubes and more active fullerene species and can be compatible with a variety of other materials, in particular polymers. In addition to nanobuds for SWCNTs, the nanobuds with graphene, small fullerenes or metal nanobud-like structures are also known.
Method: We have undertaken an extensive search of bibliographic databases for peer-reviewed research literature using a focused review question and inclusion/exclusion criteria. The characteristics of screened papers were described and critically compared. Results: Thirty-six papers were included in the review, mainly from high-impact international journals. The published articles correspond to the range 2006-2016; the term “nanobuds” appeared in 2006 after their discovery. The reports included approaches of the synthesis of carbon nanobuds, their formation mechanism, in situ engineering, different modes of attachment of fullerene on carbon nanotubes, DFT and MD calculations, nanobuds containing small fullerenes and graphene nanobuds, information about related noble metal nanobuds, and applications of carbon nanobuds. Conclusion: The findings of this review confirm the importance of novel less-common nanostructures on the basis of carbon for fundamental science, their unusual properties and current and possible applications.Keywords: Carbon nanotubes, DFT calculations, fullerenes, gas storage, inorganic adatoms, nanobuds, semiconductor, small fullerenes.
Graphical Abstract
Call for Papers in Thematic Issues
Advances in Vanadium and Titanium Resources for High-performance Materials via Nanostructuring and Nanoengineering (updated BMS-NANOTEC-2023-HT-31)
Vanadium and titanium-based materials are ideal candidates for structural and functional materials in aerospace, biomedical engineering, optics, catalysis, energy storage and conversion etc. Vanadium/titanium-based alloys, compounds and materials have a large family with different chemical compositions, dimensions, structures/morphologies, and chemical/physical/mechanical properties, which provides huge opportunities for the development of emerging ...read more
Green Nanotechnology and Nanomaterials for a Sustainable Environment
Green nanotechnology (GN) might wind up being the most efficient platform for achieving the goals of the 2030 Agenda. The goal of GN is to create goods and procedures that are secure, energy-efficient, waste-free, and emit fewer greenhouse gases. Such goods and procedures use renewable resources, and/or their environmental impact ...read more
Nano-coatings and Nanoscale Composites for Hazardous Environments
Automobile, defence, and aerospace sectors need lightweight material for fuel efficiency and lower emissions. Often these materials are added with nanoscale reinforcements or have to be coated with nanomaterials to improve the scratch resistance, self-healing behaviour and corrosion and wear resistance and are all much needed for hazardous environments without ...read more
NANOSTRUCTURED NEUROMORPHIC DEVICES: TOWARDS IN MATERIA COMPUTING
The efforts pursued in the last decade to build up brain-inspired systems with electronic hardware solutions to solve complex data processing tasks, have leaded to the development of a new generation of devices, as memristor crossbar arrays, and their different applications became more and more reliable. One of the basic ...read more
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