Enhanced responsivity and detectivity of fast WSe2 phototransistor using electrostatically tunable in-plane lateral pn homojunction

S Ghosh, A Varghese, K Thakar, S Dhara… - Nature …, 2021 - nature.com
Layered transition metal dichalcogenides have shown tremendous potential for
photodetection due to their non-zero direct bandgaps, high light absorption coefficients and …

Probing charge traps at the 2D semiconductor/dielectric interface

JW John, A Mishra, R Debbarma, I Verzhbitskiy… - Nanoscale, 2023 - pubs.rsc.org
The family of 2-dimensional (2D) semiconductors is a subject of intensive scientific research
due to their potential in next-generation electronics. While offering many unique properties …

Multilayer ReS2 Photodetectors with Gate Tunability for High Responsivity and High-Speed Applications

K Thakar, B Mukherjee, S Grover… - … applied materials & …, 2018 - ACS Publications
Rhenium disulfide (ReS2) is an attractive candidate for photodetection applications owing to
its thickness-independent direct band gap. Despite various photodetection studies using two …

Black Phosphorus-Based Reusable Biosensor Platforms for the Ultrasensitive Detection of Cortisol in Saliva

SE Lee, Y Choi, Y Oh, D Lee, J Kim… - ACS Applied Materials & …, 2024 - ACS Publications
A black phosphorus (BP)-based reusable biosensor platform is developed for the repeated
and real-time detection of cortisol using antibody-conjugated magnetic particle (MP) …

All-Electrical High-Sensitivity, Low-Power Dual-Mode Gas Sensing and Recovery with a WSe2/MoS2 pn Heterodiode

S Dhara, H Jawa, S Ghosh, A Varghese… - … Applied Materials & …, 2021 - ACS Publications
Two-dimensional MoS2 gas sensors have conventionally relied on a change in field-effect-
transistor (FET) channel resistance or in the Schottky contact/pn homojunction barrier. We …

Reliable and highly sensitive biosensor from suspended MoS2 atomic layer on nano-gap electrodes

N Masurkar, NK Thangavel, S Yurgelevic… - Biosensors and …, 2021 - Elsevier
The uneven morphology and the trapped charges at the surface of the traditionally used
supporting substrate-based 2D biosensors produces a scattering effect, which leads to a …

Improved low-frequency noise in CVD bilayer MoS2 field-effect transistors

Q Gao, C Zhang, Z Yi, X Pan, F Chi, L Liu, X Li… - Applied Physics …, 2021 - pubs.aip.org
In MoS 2 field-effect transistors, the current or voltage fluctuations related to either mobility-or
number-dependent relationships are characterized by low-frequency noise. This noise can …

Low-frequency noise in hBN/MoS2/hBN transistor at cryogenic temperatures toward low-noise cryo-CMOS device applications

S Nakaharai, T Arakawa, A Zulkefli, T Iwasaki… - Applied Physics …, 2023 - pubs.aip.org
As an application of cryo-CMOS technology for use in future quantum computing, we have
explored low-frequency noise reduction in a two-dimensional (2D) system consisting of a …

Enhanced photoresponse of a dielectric-free suspended WSe2–ReS2 heterostructure photodetector

H Jawa, N Khandare, A Varghese, S Sahoo… - Applied Physics …, 2023 - pubs.aip.org
Optoelectronic devices based on layered two-dimensional (2D) van der Waals (vdW)
semiconductors and their heterostructures suffer from carrier scattering, trap**, and trap …

2D MoS2 under switching field conditions: Study of high-frequency noise velocity fluctuations

JM Iglesias, E Pascual, S Garcia-Sanchez… - Applied Physics …, 2023 - pubs.aip.org
The transient high-frequency noise response of two-dimensional MoS 2 under abrupt large
signal switching field conditions is studied by means of an ensemble Monte Carlo simulator …