• Organic/Inorganic semiconductor
• Photovoltaic material
• Nanomaterials
• Thin film devices

• 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, 98, 3, 035822 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.

Chemical Research Society of India (CRSI)

Society for Positron Annihilation and Nuclear Probes (SPAN)

Investigating the Effect of Molecular Doping in Halide Perovskites Based Energy Harvesting Devices. 30.09 Lacs, SRG-SERB Grant, 2023-25 (Ongoing)

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)