Dynamics of the vesicles composed of fatty acids and other amphiphile mixtures: unveiling the role of fatty acids as a model protocell membrane

N Kundu, D Mondal, N Sarkar - Biophysical reviews, 2020 - Springer
Fundamental research at the interface of chemistry and biology has the potential to shine
light on the question of how living cells can be synthesized from inanimate matter thereby …

Facet engineering for decelerated carrier cooling in polyhedral perovskite nanocrystals

D Acharjee, A Das, MK Panda, M Barai, S Ghosh - Nano Letters, 2023 - ACS Publications
We report here the hot carrier (HC) cooling time scales within polyhedral CsPbBr3
nanocrystals (NCs) characterized by different numbers of facets (6 to 26) utilizing a …

Dodecahedron CsPbBr3 Perovskite Nanocrystals Enable Facile Harvesting of Hot Electrons and Holes

A Das, D Acharjee, MK Panda… - The Journal of …, 2023 - ACS Publications
This Letter reports the facile harvesting of hot carriers (HCs) in a composite of 12-faceted
dodecahedron CsPbBr3 nanocrystal (NC) and a scavenger molecule. We recorded∼ 3.3× …

Nature of biological water: a femtosecond study

K Bhattacharyya - Chemical Communications, 2008 - pubs.rsc.org
The quasi-bound biological or structuredwater molecules in a protein play a key role in
many biological processes. The dynamics of the biological water has been studied by …

Synthesis of Cs/Methylammonium/Formamidinium PbBr3 Perovskite Nanocrystals with Green Emissions: Implications for Display Applications

SK Mahankudo, A Das, K Mishra, M Barai… - ACS Applied Nano …, 2022 - ACS Publications
A facile synthesis of green-emitting all-inorganic (CsPbBr3) and organometallic
[methylammonium (MA) PbBr3 and formamidinium (FA) PbBr3] perovskite nanocrystals …

Investigation of Carrier Dynamics in CdSe/ZnS Core–Shell Quantum Dots via Scanning Fluorescence Correlation Spectroscopy

AB Mahato, D Acharjee, MK Panda… - The Journal of …, 2024 - ACS Publications
Photoluminescence (PL) studies at the single-molecule level are widely used to realize
carrier dynamics in nanocrystals, including quantum dots (QDs). Among the single-molecule …

Self-assembly of amphiphiles into vesicles and fibrils: investigation of structure and dynamics using spectroscopy and microscopy techniques

N Kundu, D Banik, N Sarkar - Langmuir, 2018 - ACS Publications
Amphiphiles are a class of molecules which are known to assemble into a variety of
nanostructures. The understanding and applications of self-assembled systems are based …

Does viscosity decoupling guarantee dynamic heterogeneity? A clue through an excitation and emission wavelength-dependent time-resolved fluorescence …

E Tarif, N Das, P Sen - The Journal of Physical Chemistry B, 2023 - ACS Publications
Traditionally, deviation from Stokes–Einstein–Debye (SED) relation in terms of viscosity
dependence of medium dynamics, ie, τ x∝(η T) p with p≠ 1, is taken as a signature of …

Subpicosecond hot hole transfer in a graphene quantum dot composite with high efficiency

K Mishra, D Acharjee, A Das… - The Journal of Physical …, 2022 - ACS Publications
Extraction of hot carriers is of prime importance because of its potential to overcome the
energy loss that limits the efficiency of an optoelectronic device. Employing a femtosecond …

A comparative study on dmso-induced modulation of the structural and dynamical properties of model bilayer membranes

S Kundu, S Malik, M Ghosh, S Nandi, A Pyne… - Langmuir, 2021 - ACS Publications
Modulating the structures and properties of biomembranes via permeation of small
amphiphilic molecules is immensely important, having diverse applications in cell biology …