Abhijit Chatterjee

RESEARCH INTERESTS

· Design, synthesis, and photophysics of novel thermally activated delayed fluorescence (TADF), multi-resonance TADF (MR-TADF), and hyperfluorescence emitters.

· Utilizing ultrafast spectroscopic techniques to investigate the excited state photophysics of TADF, MR-TADF, and hyperfluorescence emitters and fabricate efficient OLED devices for real-life application.

• Doctoral student, Department of Chemistry, IISER Pune, Pune, Maharashtra, India, August 2019 – Present, Currently working on developing new strategies for molecular design to enhance the triplet harvesting efficiency of organic emitters and their aggregates through TADF and RTP. Additionally, researching and developing novel hyperfluorescent-based and MR-TADF emitters.
• Master’s student, Department of Chemistry, IISER Pune, Pune, Maharashtra, India, December 2018 – July 2019, Utilizing the blue emission from the locally excited (LE) state and greenish-yellow emission from the charge transfer (CT) state, near-white light emission was obtained from a single naphthalimide based CT type molecule in solvents with higher polarity.

• Design, synthesis, and photophysics of novel thermally activated delayed fluorescence (TADF), multi-resonance TADF (MR-TADF), and hyperfluorescent emitters
• Utilizing ultrafast spectroscopic techniques to investigate the excited state photophysics of TADF, MR-TADF, and hyperfluorescent emitters and fabricate efficient OLED devices for real-life application

• Abhijit Chatterjee, Pankaj Mandal, Partha Hazra, Multifunctional nature of donor-acceptor regio-isomers: TADF, Mechanochromism, Second Harmonic Generation and its potential application in two-photon cell imaging, Emerging Materials 2023 (EM2023), IISER Pune, Maharashtra, India, Poster presentation
• Abhijit Chatterjee, Partha Hazra, Emergence of Aggregation Induced Emission (AIE), Room Temperature Phosphorescence (RTP) and Mechanochromism from a Single Organic Luminogen by Directed Structural Modification, International Conference on Aggregation-Induced Emission-Fundamentals and Applications (ICAIEFA 2022), BITS Pilani, Goa campus, Goa, India, Poster presentation
• Abhijit Chatterjee, Partha Hazra, Emergence of Aggregation Induced Emission (AIE), Room Temperature Phosphorescence (RTP) and Mechanochromism from a Single Organic Luminogen by Directed Structural Modification, Low Dimensional Materials Conference (LDM 2022), IISER Pune, Maharashtra, India, Poster presentation
• Abhijit Chatterjee, Partha Hazra, Multifunctional nature of donor-acceptor regio-isomers: TADF, Mechanochromism, Second Harmonic Generation and its potential application in two-photon cell imaging, Mini-symposium on Organometallic Chemistry and Catalysis 2023, IISER Pune, Maharashtra, India, Poster presentation

• Won the best poster award in the international conference on aggregation induced emission, ICAIEFA-2022, held in Goa, India in December, 2022
• Recipient of IDEAS Scholarship in IISER Pune in 2018-2019 for academic distinction in the MS program in Chemistry in the academic year 2017-2018
• Recipient of Institute fellowship of IISER Pune, from August 2017 to July 2023
• All India ranked- 391 in IIT JAM, 2017 out of 11512 students who appeared in it
• Recipient of DST-INSPIRE scholarship for higher education, Govt. of India (2014-2017)

• Mentor, Sundaravalli N., Molecular Design and Theoretical Investigations of Room Temperature Phosphorescent Organic Luminogens, December 2022 – May 2023
• Mentor, Anil Kumar, Design, Synthesis and Optical Properties of Two Novel Triphenylamine Donor Based D-A-A' type Luminogens, August 2021 – April 2022
• Mentor, Meenu Meena, Design, Synthesis and Optical Properties of Novel Aggregation Induced Emissive Organic Luminogen, August 2021 – April 2022
• Mentor, Sundaravalli N., Modulation of Emission Characteristics by Donor Substitution in Multiple Resonant Thermally Activated Delayed Fluorescent Emitters, August 2023 – April 2024

• Abhijit Chatterjee, Joy Chatterjee, Subrahmanyam Sappati, Riteeka Tanwar, Madan D. Ambhore, Habibul Arfin, Rintu M. Umesh, Mayurika Lahiri, Pankaj Mandal, Partha Hazra, Engineering TADF, mechanochromism, and second harmonic up-conversion properties in regioisomeric substitution space, Chem. Sci., 2023, 14, 13832-13841, https://pubs.rsc.org/en/content/articlelanding/2023/sc/d3sc04280d
• Abhijit Chatterjee, Joy Chatterjee, Subrahmanyam Sappati, Tariq Sheikh, Rintu M. Umesh, Madan D. Ambhore, Mayurika Lahiri, Partha Hazra, Emergence of Aggregation Induced Emission (AIE), Room-Temperature Phosphorescence (RTP), and Multistimuli Response from a Single Organic Luminogen by Directed Structural Modification, J. Phys. Chem. B, 2021, 125, 46, 12832–12846, https://pubs.acs.org/doi/10.1021/acs.jpcb.1c08126
• Joy Chatterjee, Abhijit Chatterjee, Riteeka Tanwar, Prakash Panwaria, Sajid Saikia, Madan D. Ambhore, Pankaj Mandal, Partha Hazra, Activation of TADF in Photon Up-converting Crystals of Dinuclear Cu(I)-iodide Complexes by Ligand Engineering, J. Phys. Chem. Lett., 2024, 15, 23, 6069–6080
• Anindita Bhowmick, Abhijit Chatterjee, Sidharth S. Pathak, Ramakrishna G. Bhat, A visible light-driven direct synthesis of industrially relevant glutaric acid diesters from aldehydes, Chem. Commun., 2023, 59, 11875-11878
• Joy Chatterjee, Abhijit Chatterjee, Partha Hazra, Intrinsic-to-extrinsic emission tuning in luminescent Cu nanoclusters by in-situ ligand engineering, Phys. Chem. Chem. Phys., 2021, 23, 25850-25865, https://pubs.rsc.org/en/content/articlelanding/2021/cp/d1cp03596g
• Javed Shaikh, Abhijit Chatterjee, Anindita Bhowmick, Debasish Laha, Ramakrishna G. Bhat, Palladium-Catalyzed C3-(sp2)-H Alkenylation of Pyrroles: A Direct Access to Novel Organic Thermally Activated Delayed Fluorescence (TADF) Materials, Manuscript under submission
• Souvik Panda Mahapatra, Saikat Pahan, Abhijit Chatterjee, Souvik Roy, DRGKoppalu R. Puneeth Kumar, Hosahudya Gopi, Exploring Macroscopic Dipoles of Designed Cyclic Peptide Ordered Assemblies to Harvest Piezoelectric Properties, Angewandte Chemie International Edition, Just accepted, https://doi.org/10.1002/anie.202409969
• Javed Y. Shaikh, Anindita Bhowmick, Abhijit Chatterjee, Nitin A. Thombare, Ramakrishna G. Bhat, Transient Directing Group Enabled C3-(sp2)−H Alkenylation of Five Membered Heterocyclic Aldehydes: An Access to Mechanochromic Luminogen, Adv. Synth.Catal., 2023, 365, 2922–29
• Joy Debnath, Dhananjaya Keshamasetthy, Jacob Combs, Katherine Leon, Daniela Vullo, Abhijit Chatterjee, Robert McKenna, Claudiu T. Supuran, A comparative study of diaryl urea molecules with and without sulfonamide group on Carbonic anhydrase IX and XII inhibition and its consequence on breast cancer cells, Bioorganic Chemistry, 2024, 145, 107192
• Abhijit Chatterjee, Santhosh Aedelli, Joy Chatterjee, Sachin Thorat, Ashwath K, Rajamalli P., Partha Hazra, A combined theoretical and experimental investigation of aggregation-induced delayed fluorescence properties in novel charge-transfer based organic luminogens and their application in efficient green & orange OLED fabrication and time-resolved bio-imaging, Manuscript under submission
• Abhijit Chatterjee, Partha Hazra, Engineering the energetics of FRET efficiency in hyperfluorescence process for yellow and red OLED devices, Manuscript under submission

• Prof. Partha Hazra, Professor, Department of Chemistry, IISER Pune, Pune, Maharashtra, India, p.hazra@iiserpune.ac.in, http://sites.iiserpune.ac.in/~p.hazra/
• Prof. Ramakrishna G. Bhat, Professor, Department of Chemistry, IISER Pune, Pune, Maharashtra, India, rgb@iiserpune.ac.in, https://ragobh.wixsite.com/rgb-group
• Prof. Ramanathan Vaidhyanathan, Professor, Department of Chemistry, IISER Pune, Pune, Maharashtra, India, vaidhya@iiserpune.ac.in, https://vaidhyar2019.wixsite.com/mysite