|Amino-functionalized graphene quantum dots: origin of tunable heterogeneous photoluminescence|
GS Kumar, R Roy, D Sen, UK Ghorai, R Thapa, N Mazumder, S Saha, ...
Nanoscale 6 (6), 3384-3391, 2014
|Synthesis of SnS thin films via galvanostatic electrodeposition and fabrication of CdS/SnS heterostructure for photovoltaic applications|
B Ghosh, R Roy, S Chowdhury, P Banerjee, S Das
Applied Surface Science 256 (13), 4328-4333, 2010
|Realizing Direct Gap, Polytype, Group IIIA Delafossite: Ab Initio Forecast and Experimental Validation Considering Prototype CuAlO2|
N Mazumder, D Sen, UK Ghorai, R Roy, S Saha, NS Das, ...
The Journal of Physical Chemistry Letters 4 (20), 3539-3543, 2013
|Edge effect enhanced electron field emission in top assembled reduced graphene oxide assisted by amorphous CNT-coated carbon cloth substrate|
R Roy, A Jha, D Banerjee, N Sankar Das, KK Chattopadhyay
AIP Advances 3 (1), 012115, 2013
|sp3 Bonded 2-Dimensional Allotrope of Carbon: A First-Principles Prediction|
D Sen, BK Das, S Saha, R Roy, A Mitra, KK Chattopadhyay
|A scheme of simultaneous cationic–anionic substitution in CuCrO2 for transparent and superior p-type transport|
P Mandal, N Mazumder, S Saha, UK Ghorai, R Roy, GC Das, ...
Journal of Physics D: Appl. Phys. 49, 275109, 2016
|Role of oxygen functionality on the band structure evolution and conductance of reduced graphene oxide|
R Roy, R Thapa, S Chakrabarty, A Jha, P Midya, EM Kumar, ...
Chemical Physics Letters, 2017
|Exploring the Emission Pathways in Nitrogen-Doped Graphene Quantum Dots for Bioimaging|
I Jennifer Gomez, M Vasquez Sulleiro, A Doleckova, N Pizurova, ...
The Journal of Physical Chemistry C, 2021
|Observation of Bright Green Luminescence in Eu2+ Complexed Graphene Oxide Composite through Reduction of Eu3+|
UK Ghorai, R Roy, N Mazumder, S Saha, S Das, KK Chattopadhyay
New Journal of Chemistry, 2015
|Unique quasi-vertical alignment of RGO sheets under an applied non-uniform DC electric field for enhanced field emission|
R Roy, A Jha, D Sen, D Banerjee, KK Chattopadhyay
Journal of Materials Chemistry C 2 (36), 7608-7613, 2014
|Local Field Enhancement-Induced Enriched Cathodoluminescence Behavior from CuI-RGO Nanophosphor Composite for Field-Emission Display Applications|
S Saha, R Roy, S Das, D Sen, UK Ghorai, N Mazumder, ...
ACS Applied Materials and Interfaces, 2016
|Curvature aided efficient axial field emission from carbon nanofiber–reduced graphene oxide superstructures on tungsten wire substrate|
A Jha, R Roy, D Sen, KK Chattopadhyay
Applied Surface Science 366, 448-454, 2016
|Resonant energy transfer in van der Waal stacked MoS2 – functionalized graphene quantum dots composite with ab-initio validation|
R Roy, R Thapa, S Biswas, S Saha, UK Ghorai, D Sen, EM Kumar, ...
|Negative capacitance in ZnO1-xChx (Ch = S, Se, Te): Role of localized charge recombination|
N Mazumder, P Mandal, R Roy, UK Ghorai, S Saha, KK Chattopadhyay
Journal of Applied Physics, 2017
|Raman Spectroscopic Observation of Gradual Polymorphic Transition and Phonon Modes in CuPc Nanorod|
UK Ghorai, N Mazumder, H Mamgain, R Roy, S Saha, KK Chattopadhyay
The Journal Physical Chemistry C, 2017
|Colossal magnetoresistance in amino-functionalized graphene quantum dots at room temperature: manifestation of weak anti-localization and doorway to spintronics|
R Roy, R Thapa, G Sandeep Kumar, N Mazumder, D Sen, S Sinthika, ...
|Temperature-dependent site selection of boron doping in chemically derived graphene|
S Sarkar, R Roy, BK Das, KK Chattopadhyay
Carbon 184, 253-265, 2021
|Evidence of flexoelectricity in graphene nanobubbles created by tip induced electric field|
R Roy, D Nečas, L Zajíčková
Carbon 179, 677/682, 2021
|Raman imaging and stress quantification in self-assembled graphene oxide fiber 'Latin Letters'|
R Roy, N Mazumder, G Sandeep Kumar, H Mamgain, UK Ghorai, D Sen, ...
Journal of Raman Spectroscopy, 2016
|Probing the emission dynamics in nitrogen doped carbon dots by reversible capping with mercury (II) through surface chemistry|
D Roy, A Das, R Roy, D Das, BK Das, UK Ghorai, KK Chattopadhyay, ...
New Journal of Chemistry, 2022