Kelin Hu

ORCID: 0000-0002-5335-1010
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About
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Research Areas
  • Gas Sensing Nanomaterials and Sensors
  • Analytical Chemistry and Sensors
  • Power Transformer Diagnostics and Insulation
  • ZnO doping and properties
  • High voltage insulation and dielectric phenomena
  • 2D Materials and Applications
  • Electrochemical sensors and biosensors
  • Advanced Thermoelectric Materials and Devices
  • Advanced Sensor and Energy Harvesting Materials
  • Advanced Chemical Sensor Technologies
  • Carbon and Quantum Dots Applications
  • Transition Metal Oxide Nanomaterials
  • Electrochemical Analysis and Applications
  • Advanced Photocatalysis Techniques
  • Electrocatalysts for Energy Conversion
  • Lignin and Wood Chemistry
  • Elevator Systems and Control
  • Magnetic properties of thin films
  • Metallic Glasses and Amorphous Alloys
  • Lubricants and Their Additives
  • Conducting polymers and applications
  • Machine Learning and ELM
  • Corrosion Behavior and Inhibition
  • Copper-based nanomaterials and applications
  • Nanoparticles: synthesis and applications

Guizhou University
2021-2025

Sichuan Normal University
2022-2024

Chongqing University
2016-2022

Nanning Normal University
2020

National Chung Hsing University
2015

Based on density functional theory, the adsorption behavior of seven typical dissolved gas molecules (CO, CO

10.1021/acs.langmuir.3c03531 article EN Langmuir 2024-03-29

In this paper, the Ir-modified MoS2 monolayer is suggested as a novel gas sensor alternative for detecting characteristic decomposition products of SF6, including H2S, SO2, and SOF2. The corresponding adsorption properties sensing behaviors were systematically studied using density functional theory (DFT) method. theoretical calculation indicates that Ir modification can enhance surface activity improve conductivity intrinsic MoS2. physical structure formation, states (DOS), deformation...

10.3390/nano11010100 article EN cc-by Nanomaterials 2021-01-04

In this paper, the porous NiO/SnO2 nanofibers were synthesized via electrospinning method along with carbonization process. The characterization results show that pristine SnO2-based can form structure different grain size by carbonization. hydrogen gas-sensing investigations indicate sensor exhibits more prominent sensing properties than those of pure SnO2 devices. Such enhanced performance is mainly attributed to nanostructure, which provide large active adsorption sites for surface...

10.3390/nano9091250 article EN cc-by Nanomaterials 2019-09-03

In this work, the adsorption and sensing behavior of Ag-doped MoSe2/ZnO heterojunctions for H2, CH4, CO2, NO, CO, C2H4 have been studied based on density functional theory (DFT). gas analysis, energy, distance, transfer charge, total electron density, states (DOS), energy band structure, frontier molecular orbital, work function (WF) each has calculated. Furthermore, reusability stability also studied. The results showed that great potential to be a candidate highly selective responsive...

10.3390/nano13182510 article EN cc-by Nanomaterials 2023-09-07

The effects of C=C, ester and β-H groups on the ionization potential (IP) electron affinity (EA) molecules in natural insulation oil were investigated by density functional theory (DFT). major contribution to highest occupied molecular orbital (HOMO) comes from carbon atoms adjacent C=C. Thus, IPs triglycerides decrease as number C=C double bonds increases. alkanes may also lower IP. However, has little effect IP, have only a small EAs because contributions near group lowest unoccupied...

10.3390/ijms21030974 article EN International Journal of Molecular Sciences 2020-02-01

A method for constructing transition metal catalysts the oxygen evolution reaction (OER) is proposed. Facile preparation realized in case of no added source via dielectric barrier discharge (DBD) microplasma under 10 min, and thickness nanosheet only 6.5 nm. The prepared ultrathin CuO nanosheets on copper foam (CuO UTNS/CF) display a catalytic activity 262 mV overpotential (η) at mA cm–2 OER alkaline media. as-prepared electrocatalyst guarantees appealing long-term durability (>90 h) high...

10.1021/acsanm.2c03034 article EN ACS Applied Nano Materials 2022-10-06
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