Search Results - "De, Arijit K."

Inter‐Network Charge‐Transfer Excited State Formation Within a Two‐fold Catenated Metal–Organic Framework by Nath, Akashdeep, Chawla, Sakshi, K. De, Arijit, Deria, Pravas, Mandal, Sukhendu

“…Charge‐transfer excited state (CTES) defines the ability to split photon energy into work producing redox equivalents suitable for photocatalysis. Here, we…”
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Complementing two-photon fluorescence detection with backscatter detection to decipher multiparticle dynamics inside a nonlinear laser trap by Devi, Anita, Yadav, Sumit, De, Arijit K.

“…Using wide-field and point detection modalities, we show how optical trapping dynamics under femtosecond pulsed excitation can be explored by complementing…”
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Deciphering single- and multi-particle trapping dynamics under femtosecond pulsed excitation with simultaneous spatial and temporal resolution by Devi, Anita, Yadav, Sumit, De, Arijit K.

“…Recent theoretical and experimental studies have shed light on how laser trapping dynamics under femtosecond pulsed excitation are fine-tuned by optical and…”
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Microscopic quantum coherence in a photosynthetic-light-harvesting antenna by Dawlaty, Jahan M., Ishizaki, Akihito, De, Arijit K., Fleming, Graham R.

“…We briefly review the coherent quantum beats observed in recent two-dimensional electronic spectroscopy experiments in a photosynthetic-light-harvesting…”
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Theoretical investigation on nonlinear optical effects in laser trapping of dielectric nanoparticles with ultrafast pulsed excitation by Devi, Anita, De, Arijit K

“…The use of low-power high-repetition-rate ultrafast pulsed excitation in stable optical trapping of dielectric nanoparticles has been demonstrated in the…”
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Separating Vibrational Coherences in Ground/Excited Electronic States of Solvent/Solute Following Non‐Resonant/Resonant Impulsive Excitation by Dhamija, Shaina, Bhutani, Garima, De, Arijit K.

“…In a quest to track down the origin of coherent vibrational motions observed in femtosecond pump‐probe transients, whether they arise from ground/excited…”
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Unravelling the Role of Water in Ultrafast Excited‐State Relaxation Dynamics within Nano‐Architectures of Chlorophyll a by Silori, Yogita, Chawla, Sakshi, De, Arijit K.

“…Water plays a pivotal role in structural stability of supramolecular pigment assemblies designed for natural light harvesting (for example, chlorosome antenna…”
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Ultrafast Excited-State Dynamics of Tricarbocyanine Dyes Probed by Two-Dimensional Electronic Spectroscopy: Polar Solvation vs Photoisomerization by Silori, Yogita, Seliya, Pankaj, De, Arijit K

“…Photophysical properties of tricarbocyanine dyes in various solvents have been widely investigated using a variety of spectroscopic tools. However, the…”
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Unveiling the Role of Hidden Isomers in Large Stokes Shift in mKeima: Harnessing pH-Sensitive Dual-Emission in Bioimaging by Bhutani, Garima, Verma, Pratima, Jayachandran, Ajay, Paul, Sasthi, Chattopadhyay, Kausik, De, Arijit K.

“…Elucidating the origin of large Stokes shift (LSS) in certain fluorescent proteins absorbing in blue/blue-green and emitting in red/far-red has been quite…”
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Elucidating Contributions from Multiple Species during Photoconversion of Enhanced Green Fluorescent Protein (EGFP) under Ultraviolet Illumination by Dhamija, Shaina, De, Arijit K.

“…Photocycle in wild‐type green fluorescent protein (wt‐GFP) involves generation of a bright fluorescent deprotonated chromophore from feebly fluorescent…”
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Tuning effect of local environment to control mechanism of fluorescence depolarization: Rotational diffusion and resonance energy transfer within homo-aggregates of xanthenes by Silori, Yogita, De, Arijit K.

“…[Display omitted] •Reports complete reversal of trends in anisotropy traces with increasing fluorophore concentration and solvent viscosity.•Reports unusual…”
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A Revisit on Impulsive Stimulated Raman Spectroscopy: Importance of Spectral Dispersion of Chirped Broadband Probe by Dhamija, Shaina, Bhutani, Garima, Jayachandran, Ajay, De, Arijit K

“…The usefulness of a chirped broadband probe and spectral dispersion to obtain Raman spectra under nonresonant/resonant impulsive excitation is revisited. A…”
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Early Time Solvation Dynamics Probed by Spectrally Resolved Degenerate Pump‐Probe Spectroscopy by Silori, Yogita, Seliya, Pankaj, De, Arijit K.

“…The dynamic role of solvent in influencing the rates of physico‐chemical processes (for example, polar solvation and electron transfer) has been extensively…”
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Stable CsPbI3‑Mesoporous Alumina Composite Thin Film at Ambient Condition: Preparation, Characterization, and Study of Ultrafast Charge-Transfer Dynamics by Mishra, Samita, Takhellambam, Daimiota, De, Arijit K, Jana, Debrina

“…Among the all-inorganic lead halide perovskites, CsPbI3 has emerged as a competent photovoltaic material because of its enhanced stability and comparable…”
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Dynamics of a dielectric microsphere inside a nonlinear laser trap by Devi, Anita, Yadav, Sumit, De, Arijit K.

“…The 2018 Nobel Prize in Physics was awarded for the invention of optical trapping and generation of ultrashort pulses, which revolutionized many areas of…”
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Effect of Nanoscale Confinement on Ultrafast Dynamics of Singlet Fission in TIPS‐Pentacene by Silori, Yogita, Chawla, Sakshi, Yadav, Anita, De, Arijit K.

“…Singlet fission (SF) is a phenomenon for the generation of a pair of triplet excitons from anexcited molecule in singlet electronic state interacting with…”
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Elucidating photocycle in large Stokes shift red fluorescent proteins: Focus on mKeima by Bhutani, Garima, Verma, Pratima, Paul, Sasthi, Dhamija, Shaina, Chattopadhyay, Kausik, De, Arijit K.

“…Large Stokes shift red fluorescent proteins (LSS‐RFPs) are genetically encoded and exhibit a significant difference of a few hundreds of nanometers between…”
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Dual Photoreactive Ternary Ruthenium(II) Terpyridyl Complexes: A Comparative Study on Visible-Light-Induced Single-Step Dissociation of Bidentate Ligands and Generation of Singlet Oxygen by Chatterjee, Pritha, Mishra, Ramranjan, Chawla, Sakshi, Sonkar, Avinash Kumar, De, Arijit K., Patra, Ashis K.

“…The versatile and tunable ligand-exchange dynamics in ruthenium­(II)-polypyridyl complexes imposed by the modulation of the steric and electronic effects of…”
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Ultrafast symmetry-breaking charge separation in Perylenemonoimide-embedded multichromophores: impact of regioisomerism by Roy, Rupam, Chawla, Sakshi, Sharma, Vikas, Pal, Arun K, Silori, Yogita, Datta, Ayan, De, Arijit K, Koner, Apurba Lal

“…Symmetry-breaking charge separation (SB-CS) has recently evolved as an emerging concept offering its potential to the latest generation of organic…”
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Disappearance and reappearance of an optical trap for silver nanoparticles under femtosecond pulsed excitation: A theoretical investigation by Devi, Anita, Nair, Shruthi S, De, Arijit K.

“…Recently, the role of ultrafast pulsed excitation in laser trapping of dielectric nanoparticles has been explored and it was observed that the optical Kerr…”
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