Carbon nanotubes are one of the most intriguing new materials with extraordinary properties being discovered in the last decade. The unique structure of carbon nanotubes provides nanotubes with extraordinary mechanical and electrical properties. The outstanding properties that these materials possess have opened new interesting researches areas in nanoscience and nanotechnology. Although nanotubes are very promising in a wide variety of fields, application of individual nanotubes for large scale production has been limited....
The extraordinary mechanical properties and unique electrical properties of carbon nanotubes (CNTs)
have stimulated extensive research activities across the world since their discovery by Sumio Iijima of the
NEC Corporation in the early 1990s. Although early research focused on growth and characterization,
these interesting properties have led to an increase in the number of investigations focused on application
development in the past 5 years.
The emerging field of nanotechnology is affirming its increasing importance day
by day. In this context fullerenes and carbon nanotubes (CNTs) play an important
role. These new allotropic forms of carbon have been discovered in the last two
decades, and, since then, they have stimulated the curiosity and interest of physicists
This book is the first of a new series entitled “Carbon Materials:
Chemistry and Physics”, the purpose of which is to analyze the new frontiers of
Since their discovery in 1991, carbon nanotubes have been considered as one of the most promising materials for a wide range of applications, in virtue of their outstanding properties. During the last two decades, both single-walled and multi-walled CNTs probably represented the hottest research topic concerning materials science, equally from a fundamental and from an applicative point of view. There is a prevailing opinion among the research community that CNTs are now ready for application in everyday world.
Carbon nanotubes are rolled up graphene sheets with a quasi-one-dimensional structure of
nanometer-scale diameters. More than twenty years have passed since the pioneering work on
carbon nanotubes by Prof. Iijima in 1991. During all these years, carbon nanotubes have at‐
tracted a lot of attention from physicists, chemists, material scientists, and electronic device
engineers because of their excellent structural, electronic, optical, chemical, and mechanical
Carbon nanotubes were identified for the first time in 1991 by Sumio Iijima at
the NEC Research Laboratory, using high resolution transmission electron microscopy,
while studying the soot made from by-products obtained during the
synthesis of fullerenes by the electric arc discharge method. In this soot, Iijima
clearly observed the so-called multiwalled nanotubes, molecular carbon tubes
with diameters in the nanometer range, consisting of carbon atoms arranged
in a seamless graphitic structure rolled up to form concentric cylinders.
Since the discovery of carbon nanotubes about a decade and a half ago by Sumio Iijima, the scientiﬁc community involved in various aspects of research related to carbon nanotubes and related technologies has observed a steady progress of the science, as is typical for any new and novel material.
Properties of CNT:
• Electrical :
– High electric conductivity (higher than copper)
– Easy process for Conductive Semi-conductive
• Thermal :
– High thermal conductivity (higher than silicon)
– Stable at high temperature
• Physical :
– 100 times stronger than steel but very light
– Elastic behavior (Pressing CNT tip bend and recover to
its original state)
• Chemical :
– Rarely react with other compounds
– Chemically stable
Carbon nanotubes (CNTs), discovered in 1991, have been a subject of intensive
research for a wide range of applications. Carbon nanotubes have emerged as the main
target of many researchers around the world in pursue to the next nanoscale device.
CNTs are one-dimensional (1D) graphene sheets rolled into a tubular form and due to
their exceptional electrical and mechanical properties, the possible application in a
wide spectrum of electron devices is certainly the focus of future research generations....
Vật liệu kháng khuẩn dựa trên cơ sở" bạc nano hạt (Nanoparticle silver)" hiện đang được đầu tư nghiên cứu rất nhiều trên thế giới nhờ khả năng diệt khuẩn rất tốt và không gây độc đối với sức khỏe con người.Trong đề tài nghiên cứu này, chúng tôi đã tổng hợp thành công vật liệu "Silver nanoparticles/ carbon nanotubes/ cotton" và thiết kế hệ thống lọc nước sử dụng loại vật liệu này.
Nanomaterials, which are materials with structural units on a nanometer scale in at least one direction,
is the fastest growing area in materials science and engineering. Material properties become different
on the nanoscale: for example, the theoretical strength of materials can be reached or quantum effects
may appear. One-dimensional and quasi-one-dimensional materials such as nanotubes and nanowires
demonstrate many extreme properties that can be tuned by controlling their structure and diameter.
This book provides excellent review on the techniques for fabrication aimed to specific
applications for current technology. A tremendous amount of work is presented on
different modeling and simulation based on the applied semiconductor physics of
carbon nanotubes. In the past decades, although carbon nanotubes have undergone massive research,
considering the success of silicon, it has, nonetheless, been difficult to appreciate the
potential influence of carbon nanotubes in current technology....
This book has been outlined as follows: fabrication techniques followed by an analysis
on the physical properties of carbon nanotubes, including density of states and
electronic structures. Ultimately, the book pursues a significant amount of work in the
industry applications of carbon nanotubes. A list of the chapters is given below.
In contrast to our previous study (Barth & Marx, 2008) dealing with a currently decreasing
research field (high-temperature superconductors) we analyzed here a topic which has
raised a strongly increasing interest among researchers: research activities around carbon
nanotubes (CNTs or NTs). Carbon nanotubes (often named only nanotubes) are graphite
sheets rolled up into cylinders with diameters of the order of a few nanometers and up to
some millimeters in length with at least one end capped with a hemisphere of the fullerene
Readers of this book should have a strong background on physical electronics and
semiconductor device physics. Philanthropists and readers with strong background in
quantum transport physics and semiconductors materials could definitely benefit from
the results presented in the chapters focusing on the different applications of carbon
Various mesoscopic systems have their own unique characteristics, some of
which are of importance due to bridging function over classical and quantum
mechanics. It is quite natural that human beings living in macroscopic world
could hardly grasp the phenomena occurring in the microscopic world in an
intuitive manner. This situation offers a vital sense in the "observation" problem
necessarily accompanied with the classical means. The fundamental core of the
argument between Einstein-Podolsky-Rosen and Bohr starting in 1935 actually
lies in this point.
Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: A Facile Synthesis of Polypyrrole/Carbon Nanotube Composites with Ultrathin, Uniform and Thickness-Tunable Polypyrrole Shells