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Debjit Roy
Debjit Roy
Postdoc - UCLA (Shimon Weiss); Postdoc - NUS (Thorsten Wohland); PhD - IISERK (Prasun Mandal)
Verified email at g.ucla.edu
Title
Cited by
Cited by
Year
On the molecular origin of photoluminescence of nonblinking carbon dot
A Das, V Gude, D Roy, T Chatterjee, CK De, PK Mandal
The Journal of Physical Chemistry C 121 (17), 9634-9641, 2017
772017
Highly photoluminescent InP based core alloy shell QDs from air-stable precursors: Excitation wavelength dependent photoluminescence quantum yield, photoluminescence decay …
CK De, T Routh, D Roy, S Mandal, PK Mandal
The Journal of Physical Chemistry C 122 (1), 964-973, 2018
632018
Extent of Shallow/Deep Trap States beyond the Conduction Band Minimum in Defect-Tolerant CsPbBr3 Perovskite Quantum Dot: Control over the Degree of …
S Mandal, S Mukherjee, CK De, D Roy, S Ghosh, PK Mandal
The Journal of Physical Chemistry Letters 11 (5), 1702-1707, 2020
572020
Mechanical‐Bending‐Induced Fluorescence Enhancement in Plastically Flexible Crystals of a GFP Chromophore Analogue
B Bhattacharya, D Roy, S Dey, A Puthuvakkal, S Bhunia, S Mondal, ...
Angewandte Chemie, 2020
562020
Spectral and Temporal Optical Behaviour of Blue, Green, Orange, and Red Emitting CdSe Based Core/Gradient Alloy Shell/Shell Quantum Dots: Ensemble and Single Particle …
D Roy, T Routh, AV Asaithambi, S Mandal, PK Mandal
The Journal of Physical Chemistry C 120 (6), 3483-3491, 2016
452016
Carbon dot with pH independent near-unity photoluminescence quantum yield in an aqueous medium: electrostatics-induced Forster resonance energy transfer at submicromolar …
A Das, D Roy, M Mandal, C Jaiswal, M Ta, PK Mandal
The Journal of Physical Chemistry Letters 9 (17), 5092-5099, 2018
352018
“Where does the fluorescing moiety reside in a carbon dot?”–Investigations based on fluorescence anisotropy decay and resonance energy transfer dynamics
A Das, D Roy, CK De, PK Mandal
Physical Chemistry Chemical Physics 20 (4), 2251-2259, 2018
342018
Why does the photoluminescence efficiency depend on excitation energy in case of a quantum dot? A case study of CdSe-based core/alloy shell/shell quantum dots employing …
D Roy, A Das, CK De, S Mandal, PR Bangal, PK Mandal
The Journal of Physical Chemistry C 123 (11), 6922-6933, 2019
332019
Near-Unity Photoluminescence Quantum Yield and Highly Suppressed Blinking in a Toxic-Metal-Free Quantum Dot
PKM Swarnali Ghosh, Saptarshi Mandal, Soumen Mukherjee, Chayan K. De, Tridib ...
J. Phys. Chem. Lett. 12, 1426-1431, 2021
322021
Nearly suppressed photoluminescence blinking of small-sized, blue–green–orange–red emitting single CdSe-based core/gradient alloy shell/shell quantum dots: correlation between …
D Roy, S Mandal, CK De, K Kumar, PK Mandal
Physical Chemistry Chemical Physics 20 (15), 10332-10344, 2018
312018
Suppressed blinking under normal air atmosphere in toxic-metal-free, small sized, InP-based core/alloy-shell/shell quantum dots
CK De, D Roy, S Mandal, PK Mandal
The Journal of Physical Chemistry Letters 10 (15), 4330-4338, 2019
232019
Ultrafast dynamics and ultrasensitive single-particle intermittency in small-sized toxic metal free InP-based core/alloy-shell/shell quantum dots: excitation wavelength …
CK De, S Mandal, D Roy, S Ghosh, A Konar, PK Mandal
The Journal of Physical Chemistry C 123 (46), 28502-28510, 2019
222019
Chemical tweaking of a non-fluorescent GFP chromophore to a highly fluorescent coumarinic fluorophore: application towards photo-uncaging and stem cell imaging
T Chatterjee, D Roy, A Das, A Ghosh, PP Bag, PK Mandal
RSC Advances 3 (46), 24021-24024, 2013
182013
Instantaneous, room-temperature, open-air atmosphere, solution-phase synthesis of perovskite quantum dots through halide exchange employing non-metal based inexpensive HCl/HI …
S Mandal, D Roy, CK De, S Ghosh, M Mandal, A Das, PK Mandal
Nanoscale Advances 1 (9), 3506-3513, 2019
172019
On the nanoscopic environment a neutral fluorophore experiences in room temperature ionic liquids
A Ghosh, T Chatterjee, D Roy, A Das, PK Mandal
The Journal of Physical Chemistry C 118 (9), 5051-5057, 2014
152014
Unravelling Halide Dependent Charge Carrier Dynamics in CsPb (Br/Cl) 3 Perovskite Nanocrystals
S Mandal, S Ghosh, S Mukherjee, CK De, D Roy, T Samanta, PK Mandal
Nanoscale, 2021
142021
Innovative Strategy Toward Red Emission: Single-Benzenic, Ultrasmall meta-Fluorophores
M Mandal, T Chatterjee, D Roy, A Das, CK De, S Mandal, S Ghosh, A Sen, ...
The Journal of Physical Chemistry C 124 (49), 27049-27054, 2020
112020
Excitation-Energy-Dependent Photoluminescence Quantum Yield is Inherent to Optically Robust Core/Alloy-Shell Quantum Dots in a Vast Energy Landscape
D Roy, S Ghosh, CK De, S Mukherjee, S Mandal, PK Mandal
The Journal of Physical Chemistry Letters 13 (10), 2404-2417, 2022
102022
Near-Ergodic CsPbBr3 Perovskite Nanocrystal with Minimal Statistical Aging
S Mandal, S Ghosh, S Mukherjee, D Roy, CK De, K Mukhuti, PK Mandal
The Journal of Physical Chemistry Letters 12 (41), 10169-10174, 2021
72021
Membrane potential sensing: Material design and method development for single particle optical electrophysiology
D Roy, Z Shapira, S Weiss
The Journal of Chemical Physics 156 (8), 2022
62022
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