Physical Chemistry Chemical Physics Lab

                                                                                                                2015


64."Glass transition dynamics and conductivity scaling in ionic deep eutectic solvents:The case of (acetamide + lithium nitrate/sodium thiocyanate) melts" by Satya N. Tripathy, Zaneta Wojnarowska, Justyna Knapik, Hideaki Shirota, Ranjit Biswas, and Marian Paluch, Journal of Chemical Physics2015, 142, 184504/1-10.


63. "Heterogeneity in (2-Butoxyethanol + Water) Mixtures: Hydrophobicity-Induced Aggregation or Criticality-Driven Concentration Fluctuations?" by Sandipa Indra and Ranjit Biswas, Journal of Chemical Physics, 2015, 142204501. 


62. "Orientational Jumps in (Acetamide + Electrolyte) Deep Eutectics: Anion Dependence" by Suman Das, Ranjit Biswas and Biswaroop Mukherjee, Journal of Physical Chemistry B (Accepted).

61. "Dielectric Relaxations of (Acetamide + Electrolyte) Deep Eutectic Solvents in the Frequency Window, 0.2 < v/GHz < 50: Anion and Cation Dependence" by Kallol Mukherjee, Anuradha Das, Samiran Choudhury, Anjan Barman and Ranjit Biswas,  Journal of Physical Chemistry B, 2015, 119(25), 8063-8071

60. "Solvent Sorting in (mixed solvent + electrolyte) systems: Time-resolved fluorescence measurements and theory" by Harun Al Rasid Gazi, Hemant K Kashyap and Ranjit Biswas, Journal of Chemical Science, 2015, 127, 61-70.

 

58. Reorientational Jump Dynamics and Its Connections to Hydrogen Bond Relaxation in Molten Acetamide: An All-AtomMolecular Dynamics Simulation Study” by Suman Das, Ranjit Biswas and Biswaroop Mukherjee, Journal of Physical Chemistry B, 2015, 119, 274-283.


57. "Low-Frequency Collective Dynamics in Deep Eutectic Solvents of Acetamide and Electrolytes: A Femtosecond Raman-Induced Kerr Effect Spectroscopic Study" by Ranjit Biswas, Anuradha Das, and Hideaki Shirota, Journal of Chemical Physics, 2015, 141, 134506/1-11. 


56. "Hydrogen bond dynamics of water in presence of an amphiphile, Tetramethylurea: Signature of confinement-induced effects" by Sandipa Indra and Ranjit Biswas, Molecular Simulation, 2015, 41, 471-482.


2014


 55.  "Stokes shift dynamics in (non-dipolar ionic liquid + dipolar solvent) binary mixtures: A semi-molecular theory" by Tamisra Pal and Ranjit Biswas , Journal of Chemical Physics, 2014, 141, 164502/1-10.


54. "Slow Solvation in Ionic Liquids: Connections to Non-Gaussian Moves and Multi-point Correlations" by Tamisra Pal and Ranjit Biswas, Journal of Chemical Physics, 2014, 141, 104501/1-12.


53. "Dielectric relaxation in ionic liquids: Role of ion-ion and ion-dipole interactions, and effects of heterogeneity" by Snehasis Daschakraborty and Ranjit Biswas, Journal of Chemical Physics, 2014, 140, 014504/1-11. 


51. "Interaction and Dynamics of (Alkylamide + Electrolyte) Deep Eutectics: Dependence on Alkyl Chain-length, Temperature and Anion Identity" by Biswajit Guchhait, Suman Das, Snehasis Daschakraborty and Ranjit Biswas, Journal of Chemical Physics, 2014, 140, 104514/1-12.


50. "Effects of Acid Concentration on Intramolecular Charge Transfer Reaction of 4-(azetidinyl) benzonitrile in Solution" by Biswajit Guchhait, Tuhin Pradhan and Ranjit Biswas, Journal of Chemical Sciences, 2014, 126, 55-63 .


 2013

49. "Stokes shift Dynamics of Ionic Liquids: Solute Probe Dependence, and Effects of Self-Motion, Dielectric Relaxation Frequency Window and Collective Intermolecular Solvent Modes" by  Snehasis Daschakraborty, Tamisra Pal and Ranjit Biswas, Journal of Chemical Physics, 2013, 139, 164503/1-12.

 

48"Asymmetric Binary Mixtures Under Cylindrical Confinement: A Molecular Dynamics Simulation Study" by   Snehasis Daschakraborty and Ranjit Biswas, ISRAPS Bulletin, 2013, 25, 84-91.


47. "Fast Fluctuations in Deep Eutectic Melts: Multi-Probe Fluorescence Measurements and All-Atom Molecular Dynamics Simulation Study" by  Anuradha Das, Suman Das and Ranjit Biswas, Chemical Physics Letters, 2013, 581, 47-51.


46. "Fluorescence Spectroscopic Studies (Amide + Electrolyte) Deeps Eutectic Systems" by  Biswajit Guchhait and Ranjit Biswas, ISRAPS Bulletin, 2013, 25, 31-39. 


43. Rank Dependent Orientational Relaxation in an Ionic Liquid: An All-atom Simulation Study by Tamisra Pal and Ranjit BiswasTheoretical Chemistry Accounts, 2013, 132, 1348/1-12.


42. “Dipolar Solute Rotation Ionic Media and Common Polar Solvents : Emergence of Universality by Amit Das, Ranjit Biswas, and Jaydeb Chakrabarti, Chemical Physics Letters, 2013, 558, 36-41.


41. “Transport Properties of Binary Mixtures of Asymmetric Partilcles: A Simulation Study ” by Snehasis Daschakraborty and Ranjit Biswas,  as a chapter in the book "Concepts and Methods in Modern Theoretical Chemistry, Vol. 2", 2013, edited by Prof. Ghosh and Chattaraj,  CRC PressTaylor and Francis Group.


 2012

40. “Intermolecular/ Interionic Vibrations 1-Methyl-3-n-octylimidazolium Tetrafluoroborate Ionic Liquid and H20 Mixtures” by Hideaki Shirota and Ranjit Biswas, Journal of Physical Chemistry B, 2012, 11613765 -13773.


39. Specific Conductivities and Viscosities of 0.1LiNO3+0.9[xAcetamide+(1-x)Urea] as Functions of Mole Fraction, x, and Temperature” by Sanchayita Rajkhowa, Anuradha Das, Mahiuddin Sekh and Ranjit Biswas, Journal of Chemical & Engineering Data, 2012, 57, 3467-3472.


38. “Ultrafast Solvation Response in Room Temperature Ionic Liquids: Possible Origin, and Importance of the Collective and the Nearest Neighbour Solvent Modes” by Snehasis Daschakraborty and Ranjit Biswas, Journal of Chemical Physics, 2012, 137114501-114510.


37. “Stokes shift dynamics of [Na][TOTO] - a new class of ionic liquids: A comparative study with more common imidazolium analogs” by Snehasis Daschakraborty and Ranjit Biswas, Chemical Physics Letter, 2012, 545, 54-59.


36. Does Polar Interaction Influence Medium Viscosity ? A computer Simulation Investigation Using Model Liquids by Snehasis Dascharaborty and Ranjit Biswas, Journal of Chemical Sciences,  2012, 124, 763-771. 


SD_RB_JCS_2012_124_763_771 (3).pdf SD_RB_JCS_2012_124_763_771 (3).pdf
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35. “Excited State Intramolecular Charge Transfer Reaction in Non-aqueous Reverse Micelles: Efects of Solvent Confinement and Electrolyte Concentration” by Tuhin Pradhan, Harun Al Rasid Gazi, Biswajit Guchhait and Ranjit Biswas, Journal of Chemical Sciences, 2012, 124, 355-373.


TP_HAG_BG_RB_JCS_2012_124_355_373.pdf TP_HAG_BG_RB_JCS_2012_124_355_373.pdf
Size : 606.495 Kb
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34. "Medium decoupling of dynamics at temperatures ~100K above glass-transition temperature: A case study with (acetamide + lithium bromide/nitrate) melts" by Biswajit Guchhait, Snehasis Daschakraborty and Ranjit Biswas, Journal of Chemical Physics, 2012, 136, 174503.


33. "Solute rotation in polar liquids: Microscopic Basis for the Stokes-Einstein-Debye model" by Amit Das, Ranjit Biswas and Jaydeb Chakrabarti, Journal of Chemical Physics, 2012, 136, 014505. 


                                                                           2011

32. “Heterogeneity and Viscosity Decoupling in (Acetamide + Electrolyte) Molten Mixtures: A Model Simulation Study” by Tamisra Pal and Ranjit Biswas, Chemical Physics Letters, 2011, 517, 180-185.


31. “Stokes’ Shift Dynamics in Alkylimidazolium Aluminate Ionic Liquids: Domination of Solute-IL Dipole-Dipole Interaction” by Snehasis Daschakraborty and Ranjit Biswas, Chemical Physics Letters, 2011, 510, 202-207.


30. “Influence of Chain Length of Alcohols on Stokes’ Shift Dynamics in Catanionic Vesicles” by Namrata Sarma, Sekh Mahiuddin, Harun Al Rasid Gazi, Biswajit Guchhait and Ranjit Biswas, Journal of Physical Chemistry B, 2011, 115, 9040-9049.


29. “Stokes’ Shift Dynamics in (Ionic Liquid + Polar Solvent) Binary Mixtures: Composition Dependence” by Snehasis Daschakraborty and Ranjit Biswas, Journal of Physical Chemistry B, 2011, 115, 4011-4024.


28. “Fluorescence Dynamics in Supercooled (Acetamide + Calcium Nitrate) Molten Mixtures” by Harun Al Rasid Gazi, Biswajit Guchhait, Snehasis Daschakraborty and Ranjit Biswas, Chemical Physics Letters, 2011, 501, 358-363.


27. “Heterogeneity in Binary Mixtures of (Water + Tertiary Butanol): Temperature Dependence Across Mixture Composition” by Harun Al Rasid Gazi and Ranjit Biswas, Journal of Physical Chemistry A, 2011, 115, 2447-2455.


26. “Excited State Charge Transfer Reaction in (Mixed Solvent + Electrolyte) Systems: Role of Reactant-Solvent and Reactant-Ion Interactions” by Harun Al Rasid Gazi and Ranjit Biswas, Journal of Chemical Sciences, 2011, 123, 265-277.


HG_RB_JCS_2011_123_265-277.pdf HG_RB_JCS_2011_123_265-277.pdf
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25. “Theory of Dipolar Solute Rotation in Supercritical Fluoroform” by Amit Das, Ranjit Biswas and Jaydeb Chakrabarti, Journal of Physical Chemistry A, 2011, 115, 973-978.


                                                                           2010

24.  “Stokes’ Shift Dynamics in Imidazolium Ionic Liquids: Temperature Dependence” by Hemant K. Kashyap and Ranjit Biswas, Journal of Physical Chemistry B, 2010, 114 , 16811-16823.


23. “Excited State Intramolecular Charge Transfer Reaction of 4- (morpholenyl)benzonitrile in Solution: Effects of Hetero Atom in the Donor Moiety” by Tuhin Pradhan, Harun Al Rasid Gazi and Ranjit Biswas, Journal of Chemical Sciences, 2010, 122, 481-490.


TP_HG_RB_JCS_2010_122_481_490.pdf TP_HG_RB_JCS_2010_122_481_490.pdf
Size : 509.088 Kb
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22. “Solvation Dynamics in Imidazolium and Phosphonium Ionic Liquids: Effects of Solute Motion” by Hemant Kashyap and Ranjit Biswas, Indian Journal of Chemistry, 2010, 49A, 685-694, invited article.


HKK_RB_IJCA_2010_49_685_694.pdf HKK_RB_IJCA_2010_49_685_694.pdf
Size : 254.688 Kb
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21. “Fluorescence Spectroscopic Studies of (Acetamide + Sodium/ Potassium Thiocyantes) Molten Mixtures: Composition and Temperature Dependence” by Biswajit Guchhait, Harun Al Rasid Gazi, Hemant Kashyap and Ranjit Biswas, Journal of Physical Chemistry B, 2010, 114, 5066-5081.


20. “Separation of Dipole-Dipole and Ion-Dipole Interaction Contributions to Solvation Energy Relaxation in Room  

Temperature Ionic Liquids” by Hemant K. Kashyap and Ranjit Biswas, Journal of Physical Chemistry B, 2010, 114, 254-268.


                                                                          2009

19. “Excited State Intramolecular Charge Transfer Reaction in Non-aqueous Electrolyte Solutions: Temperature Dependence” by Tuhin Pradhan, Harun Al Rasid Gazi and Ranjit Biswas, Journal of Chemical Physics, 2009, 131, 054507- 054515. 


18. “Twisted Intramolecular Charge Transfer Reaction in Deuterated Solvents: Isotope Effects” by Tuhin Pradhan and Ranjit Biswas, Journal of Chemical Sciences, 2009, 121, 95-101.


17. “Intramolecular Charge Transfer Reaction of 4-(1-azetidinyl)benzonitrile in Solution of Low Electrolyte Concentration: A Novel Interplay Between Friction and Solvation” by Tuhin Pradhan and Ranjit Biswas, Journal of Solution Chemistry, 2009, 38, 517-530.
 

TP_RB_JOSL_2009_38_517.pdf TP_RB_JOSL_2009_38_517.pdf
Size : 647.409 Kb
Type : pdf

                                                                                                                 2008

16. “Dipolar Solvation Dynamics in Room Temperature Ionic Liquids: An Effective Medium Calculation Using Dielectric Relaxation Data” by Hemant Kashyap and Ranjit Biswas, Journal of Physical Chemistry B, 2008, 112, 12431-12438.


15. "Intramolecular Charge Transfer Reaction, Polarity, and Dielectric Relaxation in AOT/Water/Heptane Reverse Micelles: Pool Size Dependence by Ranjit Biswas, Nashiour Rohman, Tuhin Pradhan and Richard Buchner, Journal of Physical Chemistry B, 2008, 112, 9379-9388.


14. "Solvent Density Mode Instability in Non-polar Solutions” by Susmita Kar, Ranjit Biswas and J. Chakrabarti, PRAMANA, 2008, 71, 211-232.


SK_RB_JC_2008_PRAMANA_71_211_232.pdf SK_RB_JC_2008_PRAMANA_71_211_232.pdf
Size : 291.269 Kb
Type : pdf

13.  Spectroscopic Studies of Catanionic Reverse Microemulsion:Correlation with the Superactivity of Horseradish Peroxidase Enzyme in a Restricted Environment by Ranjit Biswas, Arup R. Das, Tuhin Pradhan, Didier Touraud, Werner Kunz and Sekh Mahiuddin, Journal of Physical Chemistry B, 2008, 112, 6620-6628.



12. "Structural Transition in Alcohol-Water Binary Mixtures: A Spectroscopic Study” by Tuhin Pradhan, Piue Ghoshal and Ranjit Biswas, Journal of Chemical Sciences, 2008, 120, 275-287.


TP_PG_RB_JCS_2008_120_275_287.pdf TP_PG_RB_JCS_2008_120_275_287.pdf
Size : 342.997 Kb
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11. Excited State Intramolecular Charge Transfer Reaction in Binary Mixtures of Water and Tertiary Butanol (TBA): Alcohol Mole Fraction Dependence by Tuhin Pradhan, Piue Ghoshal and Ranjit Biswas, Journal of Physical Chemistry A, 2008, 112, 915-924.

10. An Integrated and Open-ended Experiment – Study of Chemical Waves in Time and Space” by B. M. Deb, M. Sadhukhan, S. S. Sinha, S. Sengupta and R. Biswas, Resonance, 2008, 13, 54-80.


                                                                                                               2007

9. "Ions in a Binary Asymmetric Dipolar Mixture:Mole Fraction Dependent Born Energy of Solvation and Solvent Polarization Structure" by Hemant Kashyap and Ranjit Biswas, Journal of Chemical Physics, 2007, 127, 184502/1-15.

HKK_RB_JCP_2007_127_184502.pdf HKK_RB_JCP_2007_127_184502.pdf
Size : 1120.841 Kb
Type : pdf

8. "Non-ideality in Born Free Energy of Solvation in Alcohol-Water and Dimethyl Sulfoxide-Acetonitrile Mixtures: Solvent Size Ratio and Ion Size Dependence" by Hemant Kashyap and Ranjit Biswas, Journal of Chemical Sciences, 2007, 119, 391-399.


HKK_RB_JCS_2007_119_391_399.pdf HKK_RB_JCS_2007_119_391_399.pdf
Size : 306.979 Kb
Type : pdf

7. “A Novel Approach to Solvation Time Scale in Nonpolar Solvents via Instability of Solvent Density Modes” by Ranjit Biswas and Jaydeb Chakrabarti, Journal of Physical Chemistry B, 2007, 111, 13743-13747. 


4. “Band-gap Variation in Mg- and Cd-Doped ZnO Nanostructures and Molecular Clusters” by M. K. Yadav, M. Ghosh, R.

 Biswas, A. K. Raychaudhuri and A. Mookerjee, Physical Review B, 2007, 76, 195450/1-9.


PRB_2007_76_195450.pdf PRB_2007_76_195450.pdf
Size : 1093.571 Kb
Type : pdf

2006

3. “Limiting Ionic Conductivity and Solvation Dynamics in Formamide” by Hemant K. Kashyap, Tuhin Pradhan, and Ranjit Biswas, Journal of Chemical Physics, 2006, 125, 174506/1-10. 


HKK_RB_JCP_2006_125_174506.pdf HKK_RB_JCP_2006_125_174506.pdf
Size : 190.926 Kb
Type : pdf

2005

2.  “Solvent Dependence of the Spectra and Kinetics of Excited-State Charge Transfer in Three(Alkylamino)benzonitriles” by K. Dahl, R. Biswas, N. Ito and M. Maroncelli, Journal of Physical Chemistry B, 2005, 109, 1563-1585.


KD_RB_MM_JPCB_2005_109_1563-1585.pdf KD_RB_MM_JPCB_2005_109_1563-1585.pdf
Size : 437.636 Kb
Type : pdf

2004

1. “Caging Enzyme Function : α – Chymotrypsin in Reverse Micelle” by Ranjit Biswas and Samir Kumar Pal, Chemical Physics Letters, 2004, 387, 221-226.


RB_SKP_CPL_2004_387_221_226.pdf RB_SKP_CPL_2004_387_221_226.pdf
Size : 348.122 Kb
Type : pdf
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