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  1. No Access

    Article

    p-T-dependent structural transformations of Zn-monochalcogenides to switch their semiconductor–metal transition: a DFT study

    Motivated by the wide-band-gap semiconductor properties of Zn-monochalcogenides (Zn-X; X:S, Se and Te), especially for their crucial industrial applications, we use a first-principles approach to investigate t...

    Pratik Kr. Das, Sudip Kumar Mondal, Nibir Mandal, A. Arya in Applied Physics A (2023)

  2. No Access

    Article

    Effect of charge transfer and structural rigidity on divergent luminescence response of a metal organic framework towards different metal ions: luminescence lifetime decay experiments and DFT calculations

    We have thoroughly studied the luminescence behaviour of a cadmium based MOF, [Cd(C12N2H8) (C7N1O4H3)] {C12N2H8 = 1,10-phenanthroline, C7N1O4H3 = 2,5-pyridine dicarboxylate}, 1. Both steadystate and time-resolved...

    Prakash Majee, Debal Kanti Singha… in Photochemical & Photobiological Sciences (2019)

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    Chapter

    Study of Biological Assemblies by Ultrafast Fluorescence Spectroscopy

    Application of ultrafast time resolved fluorescence spectroscopy to the study of dynamics in biological assemblies is discussed. The recent results obtained using femtosecond time resolution and large scale co...

    Sudip Kumar Mondal, Kalyanasis Sahu, Kankan Bhattacharyya in Reviews in Fluorescence 2007 (2009)

  4. No Access

    Article

    Excited-state proton transfer from pyranine to acetate in methanol

    Excited-state proton transfer (ESPT) of pyranine (8-hydroxypyrene-1,3,6-trisulphonate, HPTS) to acetate in methanol has been studied by steady-state and time-resolved fluorescence spectroscopy. The rate consta...

    Sudip Kumar Mondal, Subhadip Ghosh, Kalyanasis Sahu… in Journal of Chemical Sciences (2007)