Search Results - "Nguyen, Van Hieu"

One-step fabrication of SnO2 porous nanofiber gas sensors for sub-ppm H2S detection by Phuoc, Phan Hong, Hung, Chu Manh, Van Toan, Nguyen, Van Duy, Nguyen, Hoa, Nguyen Duc, Van Hieu, Nguyen

“…SnO2 NF sensors were fabricated on-chip using the electrospinning method as illustrate in the inset. Dynamic responses of the SnO2 NF sensors at 350 °C to…”
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Spectral Efficiency Analysis of Hybrid Relay-Reflecting Intelligent Surface-Assisted Cell-Free Massive MIMO Systems by Nguyen, Nhan Thanh, Nguyen, Van-Dinh, Van Nguyen, Hieu, Ngo, Hien Quoc, Chatzinotas, Symeon, Juntti, Markku

“…A cell-free (CF) massive multiple-input-multiple-output (mMIMO) system can provide uniform spectral efficiency (SE) with simple signal processing. On the other…”
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Facile on-chip electrospinning of ZnFe2O4 nanofiber sensors with excellent sensing performance to H2S down ppb level by Van Hoang, Nguyen, Hung, Chu Manh, Hoa, Nguyen Duc, Van Duy, Nguyen, Van Hieu, Nguyen

“…[Display omitted] •Facile on-chip electrospinning has been developed for preparing ZnFe2O4 nanofibers.•ZnFe2O4 nanofiber sensors can detect H2S gas down to ppb…”
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Effective design and fabrication of low-power-consumption self-heated SnO2 nanowire sensors for reducing gases by Ngoc, Trinh Minh, Van Duy, Nguyen, Duc Hoa, Nguyen, Manh Hung, Chu, Nguyen, Hugo, Van Hieu, Nguyen

“…•An effective design has been realized for self-heated sensors using network nanowires.•The density of nanowires was optimized via controlling of the gap size…”
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Chlorine Gas Sensing Performance of On-Chip Grown ZnO, WO3, and SnO2 Nanowire Sensors by Van Dang, Tran, Duc Hoa, Nguyen, Van Duy, Nguyen, Van Hieu, Nguyen

“…Monitoring toxic chlorine (Cl2) at the parts-per-billion (ppb) level is crucial for safe usage of this gas. Herein, ZnO, WO3, and SnO2 nanowire sensors were…”
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Selective discrimination of hazardous gases using one single metal oxide resistive sensor by Tonezzer, Matteo, Le, Dang Thi Thanh, Iannotta, Salvatore, Van Hieu, Nguyen

“…•Nickel oxide polycrystalline nanowires are grown via hydrothermal way & calcination.•The nanosensor undergoes a thermal gradient, becoming a virtual array.•7…”
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Fairness Enhancement of UAV Systems With Hybrid Active-Passive RIS by Nguyen, Nhan Thanh, Nguyen, Van-Dinh, Van Nguyen, Hieu, Wu, Qingqing, Tolli, Antti, Chatzinotas, Symeon, Juntti, Markku

“…We consider unmanned aerial vehicle (UAV)-enabled wireless systems where downlink communications between a multi-antenna UAV and multiple users are assisted by…”
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Probabilistic site response analysis for nuclear facilities considering variability of soil properties and its effects on uniform hazard response spectra and ground motion response spectra by Van Nguyen, Hieu, Lee, Jin Ho

“…Because seismic waves are influenced by variability at local soil sites, their effects on the uniform hazard response spectra (UHRS) and ground motion response…”
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Nanoporous and crystal evolution in nickel oxide nanosheets for enhanced gas-sensing performance by Hoa, Nguyen Duc, Hung, Chu Manh, Van Duy, Nguyen, Van Hieu, Nguyen

“…•Nanoporous and crystal evolution in nickel oxide nanosheets was investigated.•Correlation between the porous size, crystal size, defect level and gas sensing…”
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Significantly enhanced NO2 gas-sensing performance of nanojunction-networked SnO2 nanowires by pulsed UV-radiation by Hung, Nguyen Manh, Hung, Chu Manh, Duy, Nguyen Van, Hoa, Nguyen Duc, Hong, Hoang Si, Dang, Tran Khoa, Viet, Nguyen Ngoc, Thong, Le Viet, Phuoc, Phan Hong, Van Hieu, Nguyen

“…[Display omitted] •The networked SnO2 nanowire sensors can detect NO2 gas under UV-radiation at room temperature.•Pulsed UV-radiation significantly enhanced…”
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Extraordinary H2S gas sensing performance of ZnO/rGO external and internal heterojunctions by Dang, Tran Khoa, Son, Nguyen Tang, Lanh, Nguyen Thi, Phuoc, Phan Hong, Viet, Nguyen Ngoc, Thong, Le Viet, Hung, Chu Manh, Duy, Nguyen Van, Hoa, Nguyen Duc, Hieu, Nguyen Van

“…•Heterojunctions of rGO and ZnO nanofibers exhibited ultrasensitive H2S gas sensing.•The effects of external and internal junctions on H2S gas-sensing were…”
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A novel quadrilateral element for analysis of functionally graded porous plates/shells reinforced by graphene platelets by Ton-That, Hoang Lan, Nguyen-Van, Hieu, Chau-Dinh, Thanh

“…This paper firstly presents numerical analyses of functionally graded porous plates/shells with graphene platelets (GPLs) reinforcement using a novel four-node…”
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Evaluating simplified models in predicting global seismic responses of a shake table–test building isolated by triple friction pendulum bearings by Dao, Nhan D., Ryan, Keri L., Nguyen‐Van, Hieu

“…Summary This paper evaluates the ability of simplified superstructure models, including two shear frame models and a single‐story model, in predicting global…”
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Self-heated Ag-decorated SnO2 nanowires with low power consumption used as a predictive virtual multisensor for H2S-selective sensing by Ngoc, Trinh Minh, Van Duy, Nguyen, Hung, Chu Manh, Hoa, Nguyen Duc, Nguyen, Hugo, Tonezzer, Matteo, Van Hieu, Nguyen

“…Multisensor systems with low-power consumption are emerging for the Internet of Things. In this work, we demonstrate the use of self-heated networked…”
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Au doped ZnO/SnO2 composite nanofibers for enhanced H2S gas sensing performance by Hung, Chu Manh, Phuong, Han Viet, Van Thinh, Vu, Hong, Le Thi, Thang, Nguyen Tat, Hanh, Nguyen Hong, Dich, Nguyen Quang, Van Duy, Nguyen, Van Hieu, Nguyen, Hoa, Nguyen Duc

“…Gas sensors based on Au doped ZnO/SnO2 NFs were fabricated by the electrospinning method (on the right). The sensor based on the 0.005 wt.% Au doped ZnO/SnO2…”
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Design and fabrication of effective gradient temperature sensor array based on bilayer SnO2/Pt for gas classification by Van Duy, Nguyen, Thai, Nguyen Xuan, Ngoc, Trinh Minh, Thi Thanh Le, Dang, Hung, Chu Manh, Nguyen, Hugo, Tonezzer, Matteo, Van Hieu, Nguyen, Hoa, Nguyen Duc

“…Classification of different gases is important, and it is possible to use different gas sensors for this purpose. Electronic noses, for example, combine…”
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Enhanced NO2 gas-sensing performance at room temperature using exfoliated MoS2 nanosheets by Hau, Ho Huu, Duong, Truong Tien Hoang, Man, Nguyen Khac, Thi Viet Nga, Tran, Thi Xuan, Chu, Thi Thanh Le, Dang, Van Toan, Nguyen, Hung, Chu Manh, Van Duy, Nguyen, Van Hieu, Nguyen, Hoa, Nguyen Duc

“…•Simple liquid-phase exfoliated method to fabricate few-layered MoS2 nanosheets.•Significant NO2 sensing performance of the sensor based on exfoliated MoS2…”
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Outstanding gas-sensing performance of graphene/SnO2 nanowire Schottky junctions by Van Quang, Vu, Van Dung, Nguyen, Sy Trong, Ngo, Duc Hoa, Nguyen, Van Duy, Nguyen, Van Hieu, Nguyen

“…Schottky junctions (SJ) are considered devices for sensing applications due to their unique properties. Herein, we report on the design, facile fabrication,…”
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Enhanced H2S gas-sensing performance of α-Fe2O3 nanofibers by optimizing process conditions and loading with reduced graphene oxide by Van Hoang, Nguyen, Hung, Chu Manh, Hoa, Nguyen Duc, Van Duy, Nguyen, Van Toan, Nguyen, Hong, Hoang Si, Hong Van, Phung Thi, Sơn, Nguyen Tăng, Yoon, Soon-Gil, Van Hieu, Nguyen

“…We systematically investigated the effects of process conditions and reduced graphene oxide (RGO) loading on the H2S gas-sensing performance of the α-Fe2O3…”
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Nanoporous NiO nanosheets-based nanohybrid catalyst for efficient reduction of triiodide ions by Dao, Van-Duong, Dang, Hai-Linh Thi, Vu, Ngoc Hung, Vu, Hong Ha Thi, Hoa, Nguyen Duc, Hieu, Nguyen Van, Tuan, Pham Anh

“…[Display omitted] •Nanoporous NiO nanosheets-based nanohybrid materials have been synthesized.•The developed nanohybrid materials were applied as CEs od…”
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