Nanoparticles-chemistry, new synthetic approaches, gas phase clustering and novel applications |
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Authors: | A Sreekumaran Nair Chandramouli Subramaniam M J Rosemary Renjis T Tom V R Rajeev Kumar D M David Jeba Singh Jobin Cyriac Prashant Jain K A Kalesh Shreya Bhattacharya T Pradeep |
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Institution: | (1) Department of Chemistry and Sophisticated Analytical Instrument Facility, Indian Institute of Technology-Madras, 600 036 Chennai, India |
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Abstract: | In this paper, an overview of the synthesis, chemistry and applications of nanosystems carried out in our laboratory is presented.
The discussion is divided into four sections, namely (a) chemistry of nanoparticles, (b) development of new synthetic approaches,
(c) gas phase clusters and (d) device structures and applications. In ‘chemistry of nanoparticles’ we describe a novel reaction
between nanoparticles of Ag and Au with halocarbons. The reactions lead to the formation of various carbonaceous materials
and metal halides. In ‘development of new synthetic approaches’ our one-pot methodologies for the synthesis of core-shell
nanosystems of Au, Ag and Cu protected with TiO2 and ZrO2 as well as various polymers are discussed. Some results on the interaction of nanoparticles with biomolecules are also detailed
in this section. The third section covers the formation of gas phase aggregates/clusters of thiol-protected sub-nanoparticles.
Laser desorption of H2MoO4, H2WO4, MoS2, and WS2 giving novel clusters is discussed. The fourth section deals with the development of simple devices and technologies using
nanomaterials described above. |
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Keywords: | Nanoparticles nanochemistry gas phase clusters flow sensors optical limiters |
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