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conferenceseries.com
Volume 7, Issue 6 (Suppl) J Nanomed Nanotechnol
ISSN: 2157-7439 JNMNT, an open access journal Nanotek 2016
December 05-07, 2016
December 05-07, 2016 Phoenix, USA
13th International Conference on
Nanotek & Expo
A Pooja Shukla, J Nanomed Nanotechnol 2016, 7:6 (Suppl)
First-principles study of electronic transport and thermoelectricity in grain-boundary nanostructures for
device applications
A Pooja Shukla
SRM University, India
Grain boundaries are quasi-one-dimensional structures comprising different types of polygons that maintain the periodicity in
the ordered state. These are usually observed in graphene due to its polycrystalline nature. However, Grain Boundary (GB)
nanostructures can also be observed in the hexagonal analogues of silicon and germanium, known as silicene and germanene.
GBs, formed between single crystal regions, often offer an opportunity to tune the local electric and thermal properties via defect
engineering to realize new functionalities. A recent study shows that the carrier concentration gets enhanced significantly, once grain
boundaries are embedded in ordered nanostructures. Since high carrier concentration is essential for better electronic applications,
a systematic study of grain boundaries out of different nanostructures can be useful for better understanding the device mechanism
towards nanoelectronic applications. GBs being topological defects with largely a disordered character can potentially influence the
thermoelectric properties as well, since disorder scatters phonons more effectively than electrons. The aim of the proposed work is
hence to study the charge transport, electron-photon interaction and thermoelectricity in several grain-boundary nanostructures of
technological interest.
Biography
A Pooja Shukla is pursuing her PhD from SRM University and completed her MTech in Nanotechnology from SRM University. She is working as Research Scholar
in SRM Research Institute. She has published two papers in reputed journals and also achieved awards for best project in Nanotechnology.