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Dr. Pushpendra Kumar
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Phonon Coupling with Excitons and Free Carriers in Formamidinium Lead Bromide Perovskite Nanocrystals
S Ghosh, Q Shi, B Pradhan, P Kumar, Z Wang, S Acharya, SK Pal, ...
J. Phys. Chem. Lett. 9, 4245–4250, 2018
632018
Exploring an Emissive Charge Transfer Process in Zero-Twist Donor-Acceptor Molecular Design as a Dual-State Emitter
S Kumar, P Singh, P Kumar, R Srivastava, SK Pal, S Ghosh
J. Phys. Chem. C 120 (23), 12723-12733, 2016
462016
Enhanced Radiative Recombination of Excitons and Free Charges Due to Local Deformations in the Band Structure of MAPbBr3 Perovskite Crystals
P Kumar, Q Shi, KJ Karki
J. Phys. Chem. C, 2019
182019
Variations in the composition of the phases lead to the differences in the optoelectronic properties of MAPbBr3 thin films and crystals
Q Shi, S Ghosh, P Kumar, LC Folkers, SK Pal, T Pullerits, KJ Karki
J. Phys. Chem. C 122 (38), 21817-21823, 2018
172018
Recent advances of multiphoton absorption in metal–organic frameworks
SJ Weishäupl, DC Mayer, Y Cui, P Kumar, H Oberhofer, RA Fischer, ...
Journal of Materials Chemistry C 10 (18), 6912-6934, 2022
142022
Highly mobile hot holes in Cs2AgBiBr6 double perovskite
H Zhang, E Debroye, W Zheng, S Fu, LD Virgilio, P Kumar, M Bonn, ...
Science Advances 7 (52), eabj9066, 2021
142021
Two-photon excitation spectroscopy of 1, 5--Diphenyl-1, 3, 5-hexatriene using phase modulation
P Kumar, KJ Karki
Journal of Physics Communications, 2019
142019
Quenching of the Excitonic Emission of ZnO Quantum Dots Due to Auger-Assisted Hole Transfer to CdS Quantum Dots
S Ghosh, M Ghosh, P Kumar, AS Sarkar, SK Pal
J. Phys. Chem. C 120 (48), 27717–27723, 2016
142016
Variation in the photocurrent response due to different emissive states in methylammonium lead bromide perovskites
Q Shi, S Ghosh, AS Sarkar, P Kumar, Z Wang, SK Pal, T Pullerits, KJ Karki
J. Phys. Chem. C 122 (7), 3818-3823, 2018
132018
Femtosecond insights into direct electron injection in dye anchored ZnO QDs following charge transfer excitation
P Kumar, S Kumar, S Ghosh, SK Pal
Phys. Chem. Chem. Phys. 18, 20672--20681, 2016
122016
Ab Initio Assessment of the Structural and Optoelectronic Properties of Organic–ZnO Nanoclusters
P Kumar, SK Pal
J. Phys. Chem. A 119 (39), 10067-10075, 2015
102015
Ultrafast Multiexponential Electron Injection Dynamics at Dye and ZnO QD Interface: A Combined Spectroscopic and First Principles Study
P Kumar, SK Pal
Phys. Chem. Chem. Phys. 18, 29571--29581, 2016
92016
Role of ZnS segment on charge carrier dynamics and photoluminescence property of CdSe@ CdS/ZnS quantum rods
P Kumar, R Ray, P Adel, F Luebkemann, D Dorfs, SK Pal
J. Phys. Chem. C 122 (11), 6379-6387, 2018
62018
Global analysis of quenching of the time-resolved emission of ZnO nanocrystals by adsorbed rhodamine B on the basis of Tachiya theory
P Kumar, T Pascher, M Tachiya, SK Pal
J. Photochem. Photobiol. A 296, 35-39, 2015
62015
Role of decoupled defect transitions of ZnO nanocrystals in energy transfer
P Kumar, SK Pal
J. Photochem. Photobiol. A 278, 46-52, 2014
62014
New Nonlinear Optical Crystal of Rhodamine 590 Acid Phthalate
B Nariyangadu, T Choedak, EJP Malar, J Chen, E Thyrhaug, P Kumar, ...
ACS Omega, 2020
32020
Temperature-Dependent Intensity Modulated Two-Photon Excited Fluorescence Microscopy for High Resolution Mapping of Charge Carrier Dynamics
Q Shi, P Kumar, T Pullerits
ACS Phys. Chem Au, XXX-XXX, 2023
22023
Automated Prediction of Lung Cancer Using Deep Learning Algorithms
S Das, P Kumar, S Pal, S Majumder
Applied Artificial Intelligence, 93-120, 2023
12023
IoT Based Street Light Controller and Monitoring system
G Sudha Rani, G Naveen Kumar, I Anusha, M Venkata Jyothi, ...
International Journal for Modern Trends in Science and Technology 10 (02 …, 2024
2024
Materials for optical, magnetic and electronic devices
SJ Weishäupl, DC Mayer, Y Cui, P Kumar, H Oberhofer, RA Fischer, ...
J. Mater. Chem 100 (10), 7024, 2022
2022
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Articles 1–20