Birla Institute of Technology, Mesra
Dr. Joydeep Dhar
Assistant Professor, Chemistry
PhD (IISc. Bangalore), M.Sc. (IIT Madras)
Contact Address
Permanent Address Bansberia, Hooghly, West Bengal, India
Local Address BIT Mesra, Ranchi 835215, Jharkhand, India
Phone (Office) 6200717236
Phone Residence 7044120238
Email Id
Joined Institute on : 4-Jan-2018

  Work Experience
Teaching : 5.5 Years

Research : 7.5 Years

Individual: 5 Years

  Research Areas
  • Organic/Inorganic semiconductor
  • Photovoltaic material
  • Nanomaterials
  • Thin film devices
  Award and Honours
  • CSIR (NET) JRF-SRF PhD Fellowship (2009-2014)
  • DST-SERB International Travel Grant Award (2013)
  • Dr. D. S. Kothari Postdoctoral Fellowship from University Grant Commission (Govt. of India), 2015

1. Moshat, S.; Ray, P. P..; Sil, S.; Dhar, J., Sanyal, D. Physica Scripta 2023, DOI: 10.1088/1402-4896/acb6c2 Positron Annihilation Studies of Methylammonium Lead Bromide Perovskite

2. Sil, S.; Moshat, S.; Ray, P. P.; Dhar, J.; Sanyal, D. J. Phys. D: Appl. Phys. 2021, 54, 465502 Investigating the Effect of Applied Bias on Methylammonium Lead Iodide Perovskite by Electrical and Positron Annihilation Spectroscopic Studies.

3. Bandyopadhyay, B.; Luitel, H.; Sil, S.; Dhar, J.; Chakrabarti, M.; Nath, P.; Ray, P. P.; Sanyal, D. Phys. Rev. B 2020, 101, 094417 NMR Study of Defect-Induced Magnetism in Methylammonium Lead Iodide Perovskite.

4. Sil, S.; Luitel, H.; Dhar, J.; Chakrabarti, M.; Ray, P. P.; Bandyopadhyay, B.; Sanyal, D. Phys. Lett. A 2020, 384, 126278 Defect Induced Room Temperature Ferromagnetism in Methylammonium Lead Iodide Perovskite.

5. Dhar, J.; Sil, S.; Hoque, N. A.; Dey, A.; Das, S.; Ray, P. P.; Sanyal, D. ChemistrySelect 2018, 3, 5304-5312 Lattice Defect Induced Piezo-Response in Methylammonium Lead Iodide based Nanogenerator.

6. Dey, A.; Dhar, J.; Sil, S.; Jana, R.; Ray P. P. J. Mater. Eng. Perform. 2018, 1–7 Bias Voltage-Dependent Impedance Spectroscopy Analysis of Hydrothermally Synthesized ZnS Nanoparticles.

7. Sil, S.; Dey, A.; Datta, J.; Das, M.; Jana, R.; Halder, S.; Dhar, J.; Sanyal, D.; Ray, P. P. Mater. Res. Bull. 2018, 106, 337–345 Analysis of Interfaces in Bornite (Cu5FeS4) Fabricated Schottky Diode Using Impedance Spectroscopy Method and Its Photosnsitive Behavior.

8. Dey, A.; Jana, R.; Dhar, J.; Das, P.; Ray, P. P. Mater. Today: Proc. 2018, 5, 9958–9964 Gaussian Distribution of Inhomogeneous Barrier Height of Al/ZnS/ITO Schottky Barrier Diodes.

9. Dhar, J.; Sil, S.; Dey, A.; Ray, P. P.; Sanyal, D. J. Phys. Chem. Lett. 2017, 8, 1745–1751 Positron Annihilation Spectroscopic Investigation on the Origin of Temperature-Dependent Electrical Response in Methylammonium Lead Iodide Perovskite. 

10. Dhar, J.; Sil, S.; Dey, A.; Sanyal, D.; Ray, P. P. J. Phys. Chem. C 2017, 121, 5515–5522 Investigation of Ion Mediated Charge Transport in Methylammonium Lead Iodide Perovskite.

11. Mukhopadhyay, T.; Musser, A. J.; Puttaraju, B.; Dhar, J.; Friend, R. H.; Patil, S. J. Phys. Chem. Lett. 2017, 8, 984–991 Is the Chemical Strategy for imbuing ‘Polyene’ Character in Diketopyrrolopyrrole Based Chromophores sufficient for Singlet Fission?

12.  Dhar, J.; Salzner, U.; Patil, S. J. Mater. Chem. C 2017, 5, 7404–7430 Trends in Molecular Design Strategies for Ambient Stable n-Channel Organic Field Effect Transistors.

13. Dey, A.; Das, M.; Datta, J.; Jana, R.; Dhar, J.; Sil, S.; Biswas, D.; Banerjee, C. Ray, P. P. Electron. Mater. Lett. 2016, 12, 456–461 Development of Large Area Nanostructured Silicon-Hydrogen Alloy Material with Improved Stability for Solar Cell Application by Argon Dilution Method.  

14. Dhar, J.; Karothu, D. P.; Patil, S. Chem. Commun. 2015, 51, 97-100 Herringbone to Cofacial Solid State Packing via H-bonding in Diketopyrrolopyrrole (DPP) Based Molecular Crystals: Influence on Charge Transport.

15. Dhar, J.; Swathi, K.; Karothu, D. P.; Narayan K. S.; Patil S. ACS Appl. Mater. Interfaces 2015, 7, 670-681 Modulation of Electronic and Self-Assembly Properties of a Donor-Acceptor-Donor Based Molecular Material via Atomistic Approach.

16. Dhar, J.; Mukhopadhay, T.; Yaccobi-Gross, N.; Anthopoulos, T. D.; Salzner, U.; Swaraj, S.; Patil, S. J. Phys. Chem. B 2015, 119, 11307–11316 Effect of Chalcogens on Electronic and Photophysical Properties of Vinylene-Based Diketopyrrolopyrrole Copolymers.

17. Dhar, J.; Kanimozhi, C.; Yaccobi-Gross, N.; Anthopoulos, T. D.; Salzner, U.; Patil, S. Isr. J. Chem. 2014, 54, 817–827 Selenium in Diketopyrrolopyrrole-Based Polymers: Influence on Electronic Properties and Charge Carrier Mobilities.

18. Dhar, J.; Kumar, S.; Patil, S. J. Phys. Chem. C 2014, 118, 15079−15085 Correlation between Optical Properties and Nanomorphology of Fluoranthene-Based Conjugated Copolymer.

19. Dhar, J.; Venkatramaiah, N.; Anitha, A. and Patil, S. J. Mater. Chem. C 2014, 2, 3457–3466 Photophysical, Electrochemical and Solid State Properties of Diketopyrrolopyrrole Based Molecular Materials: Importance of the Donor Group.

20. Dhar, J.; Patil, S. ACS Appl. Mater. Interfaces 2012, 4, 1803–1812 Self-Assembly and Catalytic Activity of Metal Nanoparticles Immobilized in Polymer Membrane Prepared via Layer-by-Layer Approach.

21. Manna, U.; Dhar, J.; Nayak, R.; Patil, S. Chem. Commun. 2010, 46, 2250–2252 Multilayer Single-Component Thin Films and Microcapsules via Covalent Bonded Layer-by-Layer Self-Assembly.

  Member of Professional Bodies

Chemical Research Society of India (CRSI)

  Current Sponsored Projects

Dr. J. Dhar (PI); Band-Gap Engineering of Lead-Free Perovskite Quantum Dots for Optoelectronic Application. 11.45 Lacs, AICTE-TEQIP CRS Project, India, (Completed)