Recent progress and future perspectives for the development of micro-supercapacitors for portable/wearable electronics applications

S Rani, N Kumar, Y Sharma - Journal of Physics: Energy, 2021 - iopscience.iop.org
The rapid development of ultra-thin, lightweight, and flexible energy storage systems for
portable/wearable electronic devices has been significantly stimulated due to an increase in …

Bifunctional Sensing Mechanism of SnO2–ZnO Composite Nanofibers for Drastically Enhancing the Sensing Behavior in H2 Gas

A Katoch, JH Kim, YJ Kwon, HW Kim… - ACS applied materials & …, 2015 - ACS Publications
SnO2–ZnO composite nanofibers fabricated using an electrospinning method exhibited
exceptional hydrogen (H2) sensing behavior. The existence of tetragonal SnO2 and …

Highly sensitive and selective H2 sensing by ZnO nanofibers and the underlying sensing mechanism

A Katoch, SW Choi, HW Kim, SS Kim - Journal of hazardous materials, 2015 - Elsevier
We report, and propose a mechanism for, the exceptional hydrogen gas (H 2) sensing ability
of ZnO nanofibers. In comparison to SnO 2 nanofibers, ZnO nanofibers show outstanding H …

Modelling spatiotemporal patterns of water quality and its impacts on aquatic ecosystem in the cold climate region of Alberta, Canada

TW Meshesha, J Wang, ND Melaku - Journal of Hydrology, 2020 - Elsevier
Cold climate regions offer various ecosystem services. The water quality parameters such as
dissolved oxygen (DO), water temperature (T w), and dissolved organic carbon (DOC) have …

Electrical Performance of Large-Area Y2O3 Memristive Crossbar Array With Ultralow C2C Variability

S Kumar, A Agarwal… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Here, we report the electrical performance analysis of a Y 2 O 3-based memristive crossbar
array (MCA) of () on a large Si (100) wafer having a 3-inch diameter by utilizing dual-ion …

The effect of oxygen partial pressure on band gap modulation of Ga2O3 grown by pulsed laser deposition

TKO Vu, DU Lee, EK Kim - Journal of Alloys and Compounds, 2019 - Elsevier
The influence of oxygen partial pressure and annealing on the properties of thin films of β-
Ga 2 O 3 grown by pulsed laser deposition were studied. The Ga 2 O 3 samples were …

Realization of synaptic learning and memory functions in Y2O3 based memristive device fabricated by dual ion beam sputtering

M Das, A Kumar, R Singh, MT Htay… - Nanotechnology, 2018 - iopscience.iop.org
Single synaptic device with inherent learning and memory functions is demonstrated based
on a forming-free amorphous Y 2 O 3 (yttria) memristor fabricated by dual ion beam …

Persistent photoconductivity in Al-doped ZnO photoconductors under air, nitrogen and oxygen ambiance: Role of oxygen vacancies induced DX centers

V Bhatt, M Kumar, J Kim, HJ Chung, JH Yun - Ceramics International, 2019 - Elsevier
Here we report the synthesis and fabrication of ZnO photoconductors with high
transparency, high performance and low cost upon Al do** (3, 5, 7 wt.%) into the ZnO …

Selective detection of sub-1-ppb level isoprene using Pd-coated In2O3 thin film integrated in portable gas chromatography

H Jung, H Min, J Hwang, J Kim, YS Choe, HS Lee… - Applied Surface …, 2022 - Elsevier
Monitoring breath isoprene concentration plays a role in non-invasive diagnosis of blood-
cholesterol levels. In this study, we developed a highly sensitive and selective isoprene …

Synthesis of ZnO-decorated SnO2 nanopowder with enhanced photocatalytic performance

L Xu, F **an, Y Zhang, W Wang, K Qiu, J Xu - Optik, 2019 - Elsevier
In recent years, heterogeneous photocatalysis has been paid much attention in the world as
an important technique for treating wastewater. In this study, ZnO-decorated SnO 2 …