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Research
Research interests include:
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Synthesis of semiconductor nanoparticles and their
optical properties
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Surface functionalization of nanoparticles and
their applications in sensors
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Optical properties of metallic nanoparticles
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Recycling and recovery of metal nanoparticles
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Catalysis by mono- & bi-metallic nanoparticles
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Photophysical properties of fluorescent probes on
the surface of metal nanoparticles
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Application of metal nanoparticles in surface
enhance Raman scattering (SERS) studies
Selected Publications
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Snigdhamayee Praharaj, Sudipa Panigrahi, Soumen Basu, Surojit
Pande, Subhra Jana, Sujit Kumar Ghosh and Tarasankar Pal, J. Photochem.
Photobiol. A: Chem (accepted): ‘Effect of Bromide and Chloride Ions for
the Dissolution of Colloidal Gold’
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Snigdhamayee Praharaj, Sudip Nath, Sudipa Panigrahi, Sujit Kumar
Ghosh, Soumen Basu, Surojit Pande, Subhra Jana and Tarasankar Pal,
Inorganic Chemistry, 45 (2006) 1439. ‘Layer-by-Layer Deposition of
Bimetallic Nanoshells on Functionalized Polystyrene Beads’
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Snigdhamayee Praharaj, Sudip Nath, Sudipa Panigrahi, Soumen Basu,
Surojit Pande, Subhra Jana and Tarasankar Pal, Chem. Comm., 28
(2006) 3836. ‘Room temperature synthesis of coinage metal (Ag, Cu)
chalcogenides’
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Snigdhamayee Praharaj, Sujit Kumar Ghosh, Sudip Nath, Subrata
Kundu, Sudipa Panigrahi, Soumen Basu and Tarasankar Pal, J. Phys. Chem. B.,
109 (2005) 13166. ‘Size-selective Synthesis and Stabilization of Gold
Organosol in CnTAC: Enhanced Molecular Fluorescence from Gold Bound
Fluorophore’
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Snigdhamayee Praharaj, Sudip Nath, Sujit Kumar Ghosh, Subrata Kundu
and T.Pal, Langmuir, 20 (2004) 9889. ‘Immobilization and
Recovery of Au Nanoparticles from Anion Exchange Resin: Resin- Bound
Nanoparticle Matrix as a Catalyst for the Reduction of 4-Nitrophenol’
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