Engineering sensitivity and spectral range of photodetection in van der Waals materials and hybrids

S Sett, A Parappurath, NK Gill, N Chauhan… - Nano …, 2022 - iopscience.iop.org
Exploration of van der Waals heterostructures in the field of optoelectronics has produced
photodetectors with very high bandwidth as well as ultra-high sensitivity. Appropriate …

High‐Efficiency Infrared Sensing with Optically Excited Graphene‐Transition Metal Dichalcogenide Heterostructures

S Kakkar, A Majumdar, T Ahmed, A Parappurath… - Small, 2022 - Wiley Online Library
Binary van der Waals heterostructures of graphene (Gr) and transition metal dichalcogenide
(TMDC) have evolved as a promising candidate for photodetection with very high …

Monolayer Graphene–MoSSe van der Waals Heterostructure for Highly Responsive Gate-Tunable Near-Infrared-Sensitive Broadband Fast Photodetector

S Masanta, C Nayak, P Agarwal, K Das… - ACS Applied Materials …, 2023 - ACS Publications
Transition metal dichalcogenides (TMDCs) are potential two-dimentional materials as
natural partners of graphene for highly responsive van der Waals (vdW) heterostructure …

Engineering Multifunctionality in MoSe2 Nanostructures Via Strategic Mn Doping for Electrochemical Energy Storage and Photosensing

S Masanta, C Nayak, S Maitra, S Rudra… - ACS Applied Nano …, 2023 - ACS Publications
To achieve advanced functionalities in nanostructured MoSe2 for enhanced electrochemical
charge storage and improved photosensing, here we propose an effective strategy, ie, the …

Interlayer charge transfer and photodetection efficiency of graphene–transition-metal-dichalcogenide heterostructures

A Parappurath, S Mitra, G Singh, NK Gill, T Ahmed… - Physical Review …, 2022 - APS
Graphene and transition-metal-dichalcogenide-(TMD) based van der Waals
heterostructures in field-effect-transistor (FET) architecture exhibits extremely high sensitivity …

Graphene- van der Waals Hybrid Heterostructure for Photodetector and Memory Device Applications

S Mitra, S Kakkar, T Ahmed, A Ghosh - Physical Review Applied, 2020 - APS
The intriguing electronic properties of graphene and the strong light-matter interaction in
layered transition-metal dichalcogenide (TMDC) make them a natural partner for hybrid …

[HTML][HTML] Moiré coupling and other emergent phenomena in stacked van der Waals materials

M Yankowitz, KF Mak - APL Materials, 2022 - pubs.aip.org
Discovering new materials and controlling their properties have been of profound human
interest for millennia. Over the past two decades, substantial research efforts have focused …

Band structure sensitive photoresponse in twisted bilayer graphene proximitized with WSe 2

A Parappurath, B Ghawri, S Bhowmik, A Singha… - Nanoscale, 2023 - pubs.rsc.org
The ability to tune the twist angle between different layers of two-dimensional (2D) materials
has enabled the creation of electronic flat bands artificially, leading to exotic quantum …

[HTML][HTML] Direct CVD growth of MoS2 on chemically and thermally reduced graphene oxide nanosheets for improved photoresponse

H Fan, J Wang, X Li, H You, X Li, C Pei, X Huang, H Li - APL Materials, 2021 - pubs.aip.org
The direct chemical vapor deposition (CVD) of transition metal dichalcogenides (TMDCs) on
graphene or graphene oxide (GO) allows for the scalable production of van der Waals …

Anomalous electrical transport in orientationally controlled trinary hybrids of graphene and twisted bilayer molybdenum disulphide

S Sett, S Kundu, S Kakkar, NK Gill, M Jain… - Bulletin of Materials …, 2021 - Springer
Moiré superlattices of two-dimensional (2D) materials oriented at low twist angles generate
a large-scale interference pattern leading to strong interlayer coupling, which influences the …