Biomedical Engineering Reference
In-Depth Information
was limited to a few nanometres because of competing fast non-radiative
relaxation responsible for low photoluminescence quantum yield. On the
other hand, low-energy PL bands were produced in the same type of tubes
by pulsed excitation.
106
They corresponded to dark excitons that became
bright due to defects on the tubes, while displaying longer lifetimes and lack
of thermal equilibrium with the bright state.
9.2.4 USA
The Smalley Institute
@Rice University for Nanoscale Science and Technology
Expertise: Synthesis, functionalisation and optical properties of CNTs
As reported on the website, research activity at the Smalley Institute
is aimed at actively supporting and promoting researchers using
nanotechnology to explore ive grand challenges - (i) energy, (ii) water,
(iii) environment, (iv) disease and (v) education - by providing experienced
and knowledgeable leadership, a solid administrative framework, world-class
scientiic infrastructure, and productive community, industry and government
relations. In order to guarantee the achievement of many ambitious goals,
the Smalley Institute comprises several centres (e.g., Center for Biological
and Environmental Nanotechnology [CBEN], International Council on
Nanotechnology [ICON]) and components and is afiliated with various
organisations (e.g., Advanced Energy Consortium [AEC] or Consortium for
Nanoma Terials for Aerospace Commerce and Technology [CONTACT]) with
unique objectives.
The high quality of the research developed in this institute is provided by
world-class researchers in physics, chemistry, biology and engineering who
collaborate on a variety of projects dealing with the ield of nanotechnology.
A huge number of articles have been published by this research group in the
years 2007-2009, and their complete evaluation would require a whole book
rather than a chapter. For that reason, we have selected a few (not exhaustive)
highlighting publications, chosen on the basis of the topics covered by this
book, i.e., synthesis, functionalisation and optical properties of CNTs. Many
more articles, including polarisers, lithium batteries, hydrogen storage, etc.,
have been omitted in this section.
9.2.4.1
Synthesis of CNTs
Researchers at the Smalley Institute are involved in the growth of CNTs through
different procedures and techniques. For example, mechanical abrasion
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