Frontiers of graphene and 2D material-based gas sensors for environmental monitoring

DJ Buckley, NCG Black, EG Castanon, C Melios… - 2D …, 2020 - iopscience.iop.org
Abstract The World Health Organization reported that 4.2 million deaths every year were a
direct result of exposure to ambient air pollution (NO 2, SO 2, NH 3, CO 2, CO, CH 4). There …

A systematic review on 2D materials for volatile organic compound sensing

YR Kumar, K Deshmukh, T Kovářík… - Coordination Chemistry …, 2022 - Elsevier
Volatile organic compounds (VOCs) are organic chemicals that are toxic and detrimental to
the human body and the environment. Therefore, a great mandate for the selective as well …

Sensing methodologies in agriculture for monitoring biotic stress in plants due to pathogens and pests

B Kashyap, R Kumar - Inventions, 2021 - mdpi.com
Reducing agricultural losses is an effective way to sustainably increase agricultural output
efficiency to meet our present and future needs for food, fiber, fodder, and fuel. Our ever …

Gas sensor based on lossy mode resonances by means of thin graphene oxide films fabricated onto planar coverslips

I Vitoria, EE Gallego, S Melendi-Espina, M Hernaez… - Sensors, 2023 - mdpi.com
The use of planar waveguides has recently shown great success in the field of optical
sensors based on the Lossy Mode Resonance (LMR) phenomenon. The properties of …

Nanopatterned optical fiber tip for guided mode resonance and application to gas sensing

S Tabassum, R Kumar, L Dong - IEEE Sensors Journal, 2017 - ieeexplore.ieee.org
This paper reports on an efficient and convenient method of patterning nanostructures on
the cleaved facet of an optical fiber to realize a high-performance fiber-optic gas sensor. The …

Plasmonic crystal-based gas sensor toward an optical nose design

S Tabassum, R Kumar, L Dong - IEEE Sensors Journal, 2017 - ieeexplore.ieee.org
This paper presents a high-sensitivity gas sensor based on plasmonic crystal incorporating
a thin layer of graphene oxide (GO). The plasmonic crystal consists of a periodic array of …

[HTML][HTML] Towards Point-of-Care Single Biomolecule Detection Using Next Generation Portable Nanoplasmonic Biosensors: A Review

S Takaloo, AH Xu, L Zaidan, M Irannejad, M Yavuz - Biosensors, 2024 - mdpi.com
Over the past few years, nanoplasmonic biosensors have gained widespread interest for
early diagnosis of diseases thanks to their simple design, low detection limit down to the …

Determination of dynamic variations in the optical properties of graphene oxide in response to gas exposure based on thin-film interference

S Tabassum, L Dong, R Kumar - Optics express, 2018 - opg.optica.org
We present an effective yet simple approach to study the dynamic variations in optical
properties (such as the refractive index (RI)) of graphene oxide (GO) when exposed to gases …

Sensor localization using time of arrival measurements in a multi-media and multi-path application of in-situ wireless soil sensing

H Sahota, R Kumar - Inventions, 2021 - mdpi.com
The problem of localization of nodes of a wireless sensor network placed in different
physical media (anchor nodes above ground and sensor nodes underground) is addressed …

Influence of gold nanoholes and nanoslits arrays on Raman spectra and optical reflectance of graphene oxide

LT Quispe, JW Menezes, W Chong, LBR Zegarra… - Optics …, 2018 - opg.optica.org
We report the effect of gold nanostructured substrates, fabricated by interference lithography
technique (IL), on the Raman spectra and optical reflectance of graphene oxide (GO) layers …