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24/01/2020 by SSSIHL Research

Amalgamation of plasmonic and photonic crystal-based sensing technologies

Dr. Sai Sathish Ramamurthy, Asst. Professor, STAR Lab, Dept. of Chemistry, SSSIHL in collaboration with Dr. Shivakiran Bhaktha B N, Photonics Lab, IIT Kharagpur and alumnus SSSIHL, have been working on amalgamation of plasmonic and photonic crystal-based sensing technologies.

The novelty of this work is the creation of a highly precise platform for the detection (1 femtomolar) of environmentally hazardous aluminium ions in drinking water. In common parlance, it is not just the equivalent of finding a needle in a haystack, but even the eye of the needle. This is done using nanocavities; ‘hot-spots’ as they are called.

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Under their supervision, Sri Seemesh Bhaskar, Dr. S Venkatesh (SSSIHL) and Mrs. Pratyusha Das (IIT Kharagpur), have theoretically and experimentally investigated electromagnetic modes supported by photonic crystals in different nano-architectures.

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Read the paper published in ACS The Journal of Physical Chemistry C: https://pubs.acs.org/doi/abs/10.1021/acs.jpcc.9b11092

#SSSIHLResearch #SSSIHLChemistry #photoniccrystal#femtomolarsensing

Academic Year 2019/20 Chemistry

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