nano-st 2008-05-15 01:19
34篇星级纳米综述-转铁
1。Carbon Nanotube Electronics
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PROCEEDINGS OF THE IEEE, VOL. 91, NO. 11, NOVEMBER 2003#B'b3Pg Pk)V5d,q$bQ-O
PHAEDON AVOURIS, MEMBER, IEEE, JOERG APPENZELLER, RICHARD MARTEL, AND SHALOM J. WIND, SENIOR MEMBER, IEEE~J n$s2}
We evaluate the potential of carbon nanotubes (CNTs) as the
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basis for a new nanoelectronic technology. After briefly reviewing the electronic structure and transport properties of CNTs, we discuss the fabrication of CNT field-effect transistors (CNTFETs) formed from individual single-walled nanotubes (SWCNTs), SWCNT bundles, or multiwalled (MW) CNTs. The performance characteristics of the CNTFETs are discussed and compared to those of corresponding silicon devices. We show that CNTFETs are very competitive with state-of-the-art conventional devices. We also discuss the switching mechanism of CNTFETs and show that it involves the modulation by the gate field of Schottky barriers at the metal-CNT junctions. This switching mechanism can account for the observed subthreshold and vertical scaling behavior of CNTFETs, as well as their sensitivity to atmospheric oxygen.4b
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The potential for integration of CNT devices is demonstrated by fabricating a logic gate along a single nanotube molecule. Finally,we discuss our efforts to grow CNTs locally and selectively, and a method is presented for growing oriented SWCNTs without the involvement of a metal catalyst.
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Keywords—Carbon nanotubes (CNTs), field-effect transistors (FETs), molecular electronics, nanoelectronics. M;i-Y%kAK(A|/s
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2。 (2005)Self-Assembled Monolayers of Thiolates on Metals as a Form of nanotechnology?lGkG.T+`j~
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Whitesides GM 和 Nuzzo RG关于自组装的综述。6Qf0hON*p
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3。 Functionalization of Single-Walled Carbon Nanotubes)VQ pM6E
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Abstract: Through chemical functionalization of single walled carbon nanotubes, the prerequisites for possible applications of such nanostructures are established. The derivatized tubes differ from the crude materials in their good solubility, which enables both a more extensive characterization and subsequent chemical reactivity. Current derivatization methods include defect and covalent sidewall functionalization, as well as noncovalent exo- and endohedral functionalization. In this way, for6n:U:y"I+]4ovY
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example, a range of nanotubes can be prepared: with sidewall substituents, wrapped with polymers, or with guest molecules included. The current state of the literature is presented in this Minireview.
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