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Solid State Chemistry and
Sustainable Energy Conversion
We are a solid-state chemistry group with a passion for exploring the intricate chemistry of technologically important inorganic solids for sustainable energy conversion. To address the growing need for sustainable energy solutions, our research group at IIT Gandhinagar focuses on the synthesis and investigation of inorganic solids, particularly metal chalcogenides and topological quantum materials (TQMs). We aim to understand their structure–property correlations and leverage these insights for applications in heterogeneous catalysis toward net-zero emissions and thermoelectric energy conversion.
Major research areas:
Solid-state chemistry of modular metal chalcogenides
Topological quantum materials for sustainable energy applications
Electrochemical hydrogen evolution and CO₂ reduction
Thermoelectric applications
Select Publications:
M. Samanta,* H. Tan, S. Laha, H. A. Vignolo-González, L. Grunenberg, S. Bette, V. Duppel, P. Schützendübe, A. Gouder, B. Yan, B. V. Lotsch.* The Weyl Semimetals MIrTe4 (M = Nb, Ta) as Efficient Catalysts for Dye-Sensitized Hydrogen Evolution, Adv. Energy Mater. 2023, 13, 2300503, https://doi.org/10.1002/aenm.202300503. (*corresponding author)
M. Samanta, K Biswas.* Low Thermal Conductivity and High Thermoelectric Performance in (GeTe)1-2x(GeSe)x(GeS)x: Competition between Solid Solution and Phase Separation, J. Am. Chem. Soc., 2017, 139, 9382, https://doi.org/10.1021/jacs.7b05143
M. Samanta, K. Pal, P. Pal, U. V. Waghmare, K. Biswas.* Localized vibrations of Bi bilayer leading to ultralow lattice thermal conductivity and high thermoelectric performance in weak topological insulator n-type BiSe, J. Am. Chem. Soc., 2018, 140, 5866, https://doi.org/10.1021/jacs.8b02691 (Spotlight & Cover)
S. Perumal,# M. Samanta,# T. Ghosh, U. Sandhya Shenoy, A. K. Bohra, S. Bhattacharya, A. Singh, U. V. Waghmare, K. Biswas.* Realization of High Thermoelectric Figure of Merit in GeTe by Complementary Co-doping of Bi and In. Joule ( Cell Press ), 2019, 3, 2565, https://doi.org/10.1016/j.joule.2019.08.017, (# - Equal Contribution).
M. Samanta, K. Pal, U. V. Waghmare, K. Biswas.* Intrinsically Low Thermal Conductivity and High Carrier Mobility in Dual Topological Quantum Material, n‐type BiTe. Angew. Chemie. Int. Ed., 2020, 59, 4822, https://doi.org/10.1002/anie.202000343 (VIP Article)
M. Samanta, T. Ghosh, R. Arora, Umesh V. Waghmare, K. Biswas.* Realization of both n- and p-type GeTe Thermoelectrics: Electronic Structure Modulation by AgBiSe2 Alloying. J. Am. Chem. Soc. 2019, 141, 19505, https://doi.org/10.1021/jacs.9b11405
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