ARNAB MANDAL

Nanocrystals and Applications:

• Synthesis and characterization of metal halide perovskites (MHP) nanocrystals (NCs) with different dimensionalities (0D, 1D, 2D) by colloidal synthesis
• Synthesis and characterization of III-V semiconductor nanocrystals with a variety of compositions and structures
• Mechanistic elucidation of the optical properties of NCs (MHPs and III-V) and fabrication of light-emitting diodes (LEDs)

Layered Perovskites and Applications:

• Synthesis, characterization, and study of the effect of spacer ligands (both aliphatic and aromatic) of hybrid 2D layered perovskites (RP/DJ/ACI phase) and perovskitoids, especially for lead-free systems
• Optical property elucidation and optoelectronic applications [perovskite solar cells, photodetectors, and light emitting diodes]

• Qualification of IIT JAM (All India rank -161)
• DST-INSPIRE Fellowship
• CSIR-UGC NET (All India rank-56 and 42)
• Graduate Aptitude Test in Engineering (GATE), [2015,2016]

• Qualitative and quantitative Synthesis of nanomaterials by colloidal synthesis
• Synthesis of hybrid single crystals (micrometre-size crystals containing organic and inorganic counterparts)
• Structural characterization by powder X-ray diffraction (XRD) analysis, scanning electron microscopy (SEM), transmission electron microscopy (TEM), etc.
• Optical property measurements of nanomaterials and microcrystals by (UV-vis absorption spectra, photoluminescence spectra, quantum yield measurement, low-temperature spectral analysis, etc.)
• Synthesis of fluorescent materials with appreciable PLQY, which are applicable in LED technologies
• Conversion of light energy to electrical energy through different photovoltaic devices such as perovskite solar cells, and photodetectors
• Measurement of thermal conductivity for hybrid perovskites

• Nanocrystals and Applications
• Layered Perovskites and Applications

• Dion-Jacobson Tin-Halide Perovskites for Biased and Self-Powered Photodetection, Mandal, A.; Khuntia, S. K.; Mondal, D.; Mahadevan, P.; Bhattacharyya, S., J. Am. Chem. Soc., 2023, 145, 45, 24990-25002
• Phase transitions between Dion Jacobson Hybrid Layered Double Perovskites and 1D Perovskites for Potential-Biased and Self-Powered Ultraviolet and Visible Photodetection, Mandal, A.; Gupta, S.; Bhattacharyya, S., Chem. Sci., 2023, 14, 9770-9779
• Nano-Perovskite Photoactive Films for Optoelectronics and Photovoltaics, Mandal, A.; Hazra, V.; Bhattacharyya, S., J. Phys. Chem. C, 2023, 127, 11767-11779, Invited Perspective
• Spacer Switched Two-Dimensional Tin Bromide Perovskites Leading to Ambient-Stable near-Unity Photoluminescence Quantum Yield, Mandal, A.; Roy, S.; Mondal, A.; Gupta, S.; Pal, B.; Bhattacharyya, S., J. Phys. Chem. Lett., 2022, 13, 9103-9113
• Cs4CuSb2Cl12−xIx (x = 0-10) Nanocrystals for Visible Light Photodetection, Mandal, A.; Mondal, A.; Bhattacharyya, R.; Bhattacharyya, S., Nanotechnology, 2022, 33, 415403
• Thickness-Attuned CsPbBr3 Nanosheets with Enhanced p-Type Field Effect Mobility, Mandal, A.; Ghosh, A.; Senanayak, S.; Friend, R.; Bhattacharyya, S., J. Phys. Chem. Lett., 2021, 12, 1560-1566
• Photodetectors with High Responsivity by Thickness Tunable Mixed Halide Perovskite Nanosheets, Mandal, A.; Ghosh, A.; Ghosh, D.; Bhattacharyya, S., ACS Appl. Mater. Interfaces, 2021, 13, 43104-43114
• Core/Shell Nanocrystal Tailored Carrier Dynamics in Hysteresisless Perovskite Solar Cells with ∼20% Efficiency and Long Operational Stability, Ghosh, A.; Chaudhary, D. K.; Mandal, A.; Prodhan, S.; Chauhan, K. K.; Vihari, S.; Gupta, G.; Datta, P. K.; Bhattacharyya, S., J. Phys. Chem. Lett., 2019, 11, 591-600
• Thermal Nonlinear Refraction in Cesium Lead Halide Perovskite Nanostructure Colloids, Roy, S.; Mandal, A.; Raj R., A.; Bhattacharyya, S.; Pal, B., J. Phys. Chem. C, 2020, 124, 15558-15564
• Heterovalent Substitution in Mixed Halide Perovskite Quantum Dots for Improved and Stable Photovoltaic Performance, Ghosh, D.; Ali, M. Y.; Ghosh, A.; Mandal, A.; Bhattacharyya, S., J. Phys. Chem. C, 2021, 125, 5485-5493
• An Unconventional Route to an Ambipolar Azaheterocycle and its in Situ Generated Radical Anion, Das, S.; Choudhury, A.; Mandal, A.; Kumar, C.; Ranjan Sahoo, S.; Bedi, A.; Shekhar Karmakar, H.; Gopal Ghosh, N.; Dey, S.; Krishnan Iyer, P.; et al., Org. Biomol. Chem., 2021, 19, 5114-5120
• 4nπ Stable Multitasking Azapentacene: Acidochromism, Hole Mobility, and Visible Light Photoresponse, Das, S.; Mandal, A.; Alam, M. T.; Kumar, C.; Sarkar, A.; Senanayak, S. P.; Bhattacharyya, S.; Zade, S. S., ACS Appl.Mater. Interfaces, 2022, 14, 37982-37989
• Carrier Thermalization and Zero-Point Bandgap Renormalization in Halide Perovskites from the Urbach Tails of the Emission Spectrum, Mukhuti, K.; Mandal, A.; Roy, B.; Bhattacharyya, S.; Bansal, B., Appl. Phys. Lett., 2022, 121, 182104
• New Lead-free Hybrid Layered Double Perovskite Halides: Synthesis, Structural Transition and Ultralow Thermal Conductivity, Mandal, A.; Goswami, S.; Das, S.; Swain, D.; Biswas, K., Angew. Chem. Int. Ed., 2024, e202406616
• Optoelectronic insights of lead-free layered halide perovskites, Hazra, H.; Mandal, A.; Bhattacharyya, S., Chem. Sci., 2024, 15, 7374-7393
• Synthesis and Soft Crystal Structure-Induced Broad Emission in (NH3C6H12NH3)InBr5
• 2H2O, Biswas, S.; Mandal, A.; Swain, D.; Biswas, K., Chem. Commun., 2024, 60, 7757-7760, # = equal contribution

• Prof. Sayan Bhattacharyya, Professor, Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER), Kolkata, Kolkata, West Bengal, 741246, India, sayanb@iiserkol.ac.in
• Prof. Kanishka Biswas, Professor, New Chemistry Unit, Jawaharlal Nehru Centre For Advanced Scientific Research, Bangalore, Karnataka, 560064, India, kanishka@jncasr.ac.in
• Prof. Priya Mahadevan, Professor, Department of Condensed Matter Physics and Materials Science, S. N. Bose National Centre for Basic Sciences, JD Block, Sector III, Salt Lake, Kolkata, West Bengal, 700106, India, id-priya.mahadevan@gmail.com

ARNAB MANDAL, 08/07/2024, Bengaluru, India

English, Bengali and Hindi