Carbon nanotubes and nanoelectronics
Widely regarded as the wonder material of the 21st century, carbon nanotubes (CNTs) and the intramolecular junctions that connect CNTs for integration have been hailed as the ideal candidates for the next generation of nanoelectronics.
A recent study published in the journal, Advanced Materials — edited by Professor Li-Jun Wan of Tohoku University and director of The Institute of Chemistry, Chinese Academy of Sciences (ICCAS) — provides a comprehensive overview of the synthesis, properties and applications of intramolecular junctions of CNTs.
Discovered in 1991, carbon nanotubes have been the object of intense research by scientists globally because of its remarkable combination of superlative mechanical, thermal and electronic properties.
Devices based on CNTs or intramolecular junctions of CNTs play a significant role in future molecular electronics or nanoelectronics. With the miniaturisation of electronic devices playing a crucial role in modern technology, the excellent properties of CNTs make it a perfect material for nanoscale structures.
An important aspect of the research focuses on the intramolecular junctions of CNTs. The junctions provide reliable connections, enabling the construction of a stable architecture for CNT-based integrated circuits — making it an essential component to the realisation of CNT-based electronics.
Intramolecular junctions of CNTs usually exhibit properties that pristine CNTs lack, and can thus function as vital components of the circuits and expand the applications of CNTs. Besides connecting different CNTs for integration, these junctions also act as functional building blocks in the circuit.
There are, however, some unresolved issues that still hamper the research of CNT integration. The emphasis and direction of future research needs to focus on, among others, controlled synthesis and assembly techniques, and must seek to clarify the properties of intramolecular junctions and their mechanisms.
This paper is published in Advanced Materials. The article abstract is available free online.
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