Dr. Kalyanasis Sahu

Assistant 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:

Assistant Professor (August 2011-) 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:

 

Time-resolved Absorption and Fluorescence Spectroscopy.

Non-linear Spectroscopy at the air-liquid interfaces.

Photo-physics in self-organized media.

Multiple Population Period Transient Spectroscopy (MUPPETS).

Quantum dot, ionic liquids, proteins, lipid vesicles, sol-gel glass etc

 

Recent Publications:

 

S. J. Kern, K. Sahu, M. A. Berg; Heterogeneity of the Electron-Trapping Kinetics in CdSe Nanoparticles Nano Letters 2011, 11, 3493.  

 

K. Sahu, S. J. Kern, M. A. Berg; Heterogeneous Reaction Rates in an Ionic Liquid: Quantitative Results from Two-Dimensional Multiple Population-Period Transient Spectroscopy J. Phys. Chem. A 2011, 115, 7984.

 

K. Sahu, M. A. Berg; Thermal gratings and phase in high-order, transient-grating spectroscopy J. Chem. Phys. 2011, 134, 144502.

 

K. Sahu, V. F. McNeill, K. B. Eisenthal; Competitive Adsorption at the Air-Water Interface: A Second Harmonic Generation Study J. Phys. Chem. C 2011, 115, 9701.

 

K. Sahu, V. F. McNeill, K. B. Eisenthal; Effect of Salt on the Adsorption Affinity of an Aromatic Carbonyl Molecule to the Air−Aqueous Interface: Insight for Aqueous Environmental Interfaces; J. Phys. Chem. C 2010, 114, 18258.

 

K. Sahu, S. K. Mondal, S. Ghosh, K. Bhattacharyya; Ultrafast Dynamics in Biological Systems and in Nano-Confined Environments Bull. Chem. Soc. Jpn. 2007, 80, 1033.

 

A. Adhikari, K. Sahu, S. Dey, S. Ghosh, U. Mandal and K. Bhattacharyya; Femtosecond Solvation Dynamics in a neat Ionic Liquid and Ionic Liquid Microemulsion: Excitation Wavelength Dependence, J. Phys. Chem. B 2007, 111, 12809.