Fabrication, characterization and n-propanol sensing properties of perovskite-type ZnSnO3 nanospheres based gas sensor

…, P Zhou, R Lu, A Li, S Zhao, W Liu, D Wei, K Wei - Applied Surface …, 2020 - Elsevier
… Dezhou Wei and Kefeng Wei contributed to the experimental set-up and design of the device.
All authors provided suggestions for the experiment, discussed the results and contributed …

Health monitoring based on internet of medical things: architecture, enabling technologies, and applications

K Wei, L Zhang, Y Guo, X Jiang - IEEE Access, 2020 - ieeexplore.ieee.org
Recently, wearable devices have got increasing popularity in wide applications in medical
and disaster rescue efforts to ensure the health and safety of users, which facilitates the …

In-situ growth of mesoporous In2O3 nanorod arrays on a porous ceramic substrate for ppb-level NO2 detection at room temperature

…, T Li, S Zhao, B Cui, D Wei, Y Zhang, K Wei - Applied Surface …, 2019 - Elsevier
Mesoporous In 2 O 3 nanorod arrays were synthesized directly on a porous ceramic substrate
via a one-step hydrothermal method. The morphology and structure of the obtained In 2 O …

Synthesis of NiO-In2O3 heterojunction nanospheres for highly selective and sensitive detection of ppb-level NO2

…, S Zhao, P Zhou, S Gao, B Cui, D Wei, Y Zhang, K Wei - Vacuum, 2020 - Elsevier
NiO-In 2 O 3 composite nanospheres with pn heterojunction structure were fabricated by a
one-step hydrothermal method. A series of XRD, FTIR, SEM, TEM, and XPS measurements …

Ppb-level NO2 sensing properties of Au-doped WO3 nanosheets synthesized from a low-grade scheelite concentrate

…, T Li, X Zhong, G Li, A Li, D Wei, Y Zhang, K Wei - Vacuum, 2020 - Elsevier
Pure and Au-doped WO 3 nanosheets were synthesized using a low-grade scheelite concentrate
as the tungsten source by a combined process, namely NaOH leaching to decompose …

Effect of noble metal element on microstructure and NO2 sensing properties of WO3 nanoplates prepared from a low-grade scheelite concentrate

…, X Zhong, S Zhao, G Li, B Cui, D Wei, K Wei - Journal of Alloys and …, 2020 - Elsevier
To break the limitation of raw materials for preparing functional WO 3 nanomaterials, a low-grade
scheelite concentrate was selected as the tungsten source, and WO 3 nanoplates …

Study on mechanical and shrinkage properties of ES-UHPC

K Wei, G Xu, J Yang, Y Zhao, Y Sun - Construction and Building Materials, 2023 - Elsevier
Some road and bridge projects to be repaired require materials that can quickly and easily
obtain high mechanical properties. Added early strength agents are commonly used to …

Effect of pore structure of the metakaolin-based porous substrate on the growth of SnO2 nanowires and their H2S sensing properties

…, T Li, R Lu, Y Yin, C Han, D Wei, Y Zhang, K Wei - Vacuum, 2019 - Elsevier
The metakaolin-based porous substrates were used as the growth substrate to synthesize
SnO 2 nanowires (SNWs) gas sensing materials via the gold-catalyzed vapor-liquid-solid …

[HTML][HTML] Controllable Synthesis of Zn-Doped α-Fe2O3 Nanowires for H2S Sensing

K Wei, S Zhao, W Zhang, X Zhong, T Li, B Cui, S Gao… - Nanomaterials, 2019 - mdpi.com
One-dimensional Zn-doped α-Fe 2 O 3 nanowires have been controllably synthesized by
using the pure pyrite as the source of Fe element through a two-step synthesis route, including …

SDN-based resilience solutions for smart grids

X Zhang, K Wei, L Guo, W Hou… - … Conference on Software …, 2016 - ieeexplore.ieee.org
Due to the nature of heterogeneity and distributed control, the existing electric power/data
communication network based on Synchronous Digital Hierarchy (SDH) has been unable to …