Dr. Kalyanasis Sahu

Associate Professor

Department of Chemistry

Indian Institute of Technology Guwahati

Guwahati 781039

Assam, INDIA

 

E-mail: ksahu@iitg.ernet.in

 

Phone: +91-361-2583302

Professional & Academic Profile:

Associate Professor (March 2015-): Department of Chemistry, Indian Institute of Technology Guwahati, India.

Assistant Professor (Aug 2011-Feb 2015): Department of Chemistry, Indian Institute of Technology Guwahati, India.

Post-doc. (Sept 2009-July 2011): Department of Chemistry, University of South Carolina, USA. (with Prof. Mark A. Berg)

Post-doc. (July 2008-Sept 2009): Department of Chemistry, Columbia University, USA (with Prof. Kenneth B. Eisenthal and Prof. V. Faye McNeill).

Lecturer (Sept 2006-July 2008): Basirhat College, West Bengal, India.

Ph.D.  (Chemistry) (Thesis Title: Solvation Dynamics in Binary and Complex Liquids; Supervisor: Prof. Kankan Bhattacharyya), IACS, Kolkata, 2008.

M.Sc. (Chemistry): University College of Science & Technology, Calcutta University, 2003.

B.Sc. (Chemistry): Ramakrishna Mission Residential College, Narendrapur, West Bengal, India, 2001.

 

Research Interests:

 

Excited-state Hydrogen Bonding

Photoinduced Electron Transfer

Nanoparticle-fluorophore interaction

Excited State Proton Transfer

 

 

Selected Publications:

 

Phukon, A.; Sahu, K., The strikingly different miscibility of n-octanol in highly-confined and quasi-confined water, ChemComm 2015, 51, 14103-14106.

 

Phukon, A.; Barman, N.; Sahu, K., Wet Interface of Benzylhexadecyldimethylammonium Chloride Reverse Micelle Revealed by Excited State Proton Transfer of a Localized Probe. Langmuir 2015, 31, 12587-12596.

 

Barman, N.; Hossen, T.; Mondal, K.; Sahu, K., Modulation of Ultrafast Photoinduced Electron Transfer in H-Bonding Environment: Pet from Aniline to Coumarin 153 in the Presence of an Inert Co-Solvent Cyclohexane. Phys. Chem. Chem. Phys. 2015, 17, 32556-32563.

 

Singha, D.; Barman, N.; Phukon, A.; Sahu, K.,* Selective Probing of Reverse Micelle Interfacial Layer Upon Silver Nanoparticle Formation Using Dynamic Stokes Shift Measurements. J. Phys. Chem. C 2014, 118, 10366-10374.

 

Barman, N.; Singha, D.; Sahu, K.,* Faster Photoinduced Electron Transfer in a Diluted Mixture Than in a Neat Donor Solvent: Effect of Excited-State H-Bonding. Physical Chemistry Chemical Physics 2014, 16, 6159-6166.

 

Singha, D.; Barman, N.; Sahu, K.,* A facile synthesis of high optical quality silver nanoparticles by ascorbic acid reduction in reverse micelles at room temperature Journal of Colloid and Interface Science 2014, 413, 37-42.

 

 

 

 

Awards and recognition:

 

MSc (Calcutta University, 2003): First Class First

GATE 2003, All India Rank 4

NET-CSIR 2003

Total Citation (Scopus): 952 (as of 02.10.2015 from 42 documents) h-index: 18