Diamondoids : synthesis, properties and applications - download pdf or read online

By Sven Stauss, Kazuo Terashima

ISBN-10: 1315364662

ISBN-13: 9781315364667

ISBN-10: 9814745189

ISBN-13: 9789814745185

ISBN-10: 9814745197

ISBN-13: 9789814745192

Over the earlier few a long time, carbon nanomaterials, most typically fullerenes, carbon nanotubes, and graphene, have won expanding curiosity in either technological know-how and undefined, because of their effective houses that cause them to appealing for lots of purposes in nanotechnology. one other category of the carbon nanomaterials family members that has slowly been gaining (re)newed curiosity is diamond molecules, also referred to as diamondoids, which encompass polycyclic carbon cages that may be superimposed on a cubic diamond lattice. Derivatives of diamondoids are utilized in pharmaceutics, yet because of their promising properties―well-defined constructions, excessive thermal and chemical balance, unfavourable electron affinity, and the chance to song their bandgap―diamondoids may also function molecular construction blocks in destiny nanodevices.

This e-book is the 1st of its variety to provide an exhaustive evaluate of the constructions, houses, and present and attainable destiny functions of diamondoids. It includes a short historic account of diamondoids, from the invention of the 1st diamondoid member, adamantane, to the isolation of upper diamondoids a couple of decade in the past. It summarizes the various techniques to synthesizing diamondoids. particularly, present examine at the traditional natural synthesis and new techniques in accordance with microplasmas generated in high-pressure and supercritical fluids are reviewed and the benefits and downsides of the various tools mentioned. The booklet will function a reference for complex undergraduate- and graduate-level scholars in chemistry, physics, fabrics technological know-how, and nanotechnology and researchers in macromolecular technology, nanotechnology, chemistry, biology, and drugs, in particular people with an curiosity in nanoparticles.

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After Balaban and Schleyer (1978). Molecules that contain at least one adamantane unit can be classified into the two main groups I and II: I: those that are partially superimposable II: those that are completely superimposable on the diamond lattice. 5 Flowchart illustrating the classification of diamondoid hydrocarbons or diamondoids. The classification here follows the exposition in Balaban and Schleyer (1978). The two main groups are those that are only partially superimposable on the diamond lattice (group I) and those that possess molecular structures that can be completely superimposed (group II).

1 Molecular structure of adamantane and representation of its HOMO and LUMO. 04). of this paper, we will first discuss in more detail the electronic structure of diamondoids, in particular adamantane. In addition to the presentation of the chemical properties, we will describe the reactivities of diamondoids and the implication of these for the formation of new compounds. 1 presents a ball-and-stick model of adamantane, and the shape of the highest occupied molecular orbital (HOMO) and the lowest unoccupied molecular orbital (LUMO), as obtained by ab initio calculations.

13, 7 ]decane. In the case of diamantane, the procedure is identical, except that identifying the largest closed cycle and the two main bridgeheads becomes more complicated, as illustrated in Fig. 7. As the molecular structure of diamantane contains five closed rings, its prefix is pentacyclo-. The longest cycle in the structure consists of 12 C atoms, and there are 8 bridgeheads (at positions 1, 2, 4, 6, 7, 9, 11, and 12). The two main bridgeheads are assigned to C atoms 1 and 9, and there are three bridges that are connected to them, one containing 7 C atoms (sequence 2 −3 −4 −5 −6 −7 ), one with three (10 −11 −12 ), and one with a single C atom (connecting C atoms 1 and 9).

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Diamondoids : synthesis, properties and applications by Sven Stauss, Kazuo Terashima

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