- Photonic and Optical Devices
- Plasmonic and Surface Plasmon Research
- Catalysis for Biomass Conversion
- Indoor Air Quality and Microbial Exposure
- Advanced Sensor and Energy Harvesting Materials
- Metamaterials and Metasurfaces Applications
- Air Quality and Health Impacts
- Air Quality Monitoring and Forecasting
- Neural Networks and Reservoir Computing
- Mechanical and Optical Resonators
- Optical Network Technologies
- Advanced Fiber Optic Sensors
- Quantum optics and atomic interactions
- Lignin and Wood Chemistry
- Odor and Emission Control Technologies
- Photonic Crystals and Applications
- Optical Coatings and Gratings
- Orbital Angular Momentum in Optics
- Tactile and Sensory Interactions
- Biosensors and Analytical Detection
- Catalysis and Hydrodesulfurization Studies
- Advanced Fiber Laser Technologies
- Nanomaterials for catalytic reactions
- Gaze Tracking and Assistive Technology
- Carbon dioxide utilization in catalysis
National University of Singapore
2020-2025
Ministry of Agriculture and Rural Affairs
2021-2024
Agro-Environmental Protection Institute
2021-2024
Guangdong University of Foreign Studies
2024
Dhurakij Pundit University
2024
Nankai University
2021-2022
State Key Joint Laboratory of Environment Simulation and Pollution Control
2013-2021
Peking University
2013-2021
Central South University
2021
Suzhou Research Institute
2021
Wearing face masks has been widely recommended to contain respiratory virus diseases, yet the improper use of poses a threat jeopardizing protection effect. We here identified bacteria viability on common and found that majority (90%) remain alive after 8 h. Using laser-induced graphene (LIG), inhibition rate improves ∼81%. Combined with photothermal effect, 99.998% bacterial killing efficiency could be attained within 10 min. For aerosolized bacteria, LIG also showed superior antibacterial...
With the rapid advances in wearable electronics and photonics, self-sustainable systems are desired to increase service life reduce maintenance frequency. Triboelectric technology stands out as a promising versatile due its flexibility, self-sustainability, broad material availability, low cost, good scalability. Various triboelectric–human–machine interfaces (THMIs) have been developed including interactive gloves, eye blinking/body motion-triggered interfaces, voice/breath monitors,...
Abstract Self-sustainable sensing systems composed of micro/nano sensors and nano-energy harvesters contribute significantly to developing the internet things (IoT) systems. As one most promising IoT applications, smart home relies on implementing wireless sensor networks with miniaturized multi-functional sensors, distributed, reliable, sustainable power sources, namely energy a variety conversion mechanisms. To extend capabilities in home, technology fusion artificial intelligence (AI),...
Abstract In recent years, with the further ministration of semiconductor device in integrated circuits, power consumption and data transmission bandwidth have become insurmountable obstacles. As an technology, photonic circuits (PICs) a promising potential post‐Moore era more advantages processing, communication, diversified sensing applications for their ultra‐high process speed low consumption. Silicon photonics is believed to be encouraging solution realize PICs because mature CMOS...
Machine‐learning‐enhanced nanosensors are rapidly emerging as a promising solution in the field of sensor technology, traditional sensors encounter limitations data analysis their development. Since inception machine‐learning algorithms being applied to enhance nanosensors, they have gained significant attention due adaptive and predictive capabilities, which promise dramatically improve efficiency collection processing applications. Herein, comprehensive overview technological innovation is...
Formic acid is a versatile chemical, which industrially produced from fossil resources. In this work, biomass-derived xylose was used as potential feedstock to synthesize formic with Mn–Ce oxides the catalyst in water. Among different molar ratios, Mn4Ce0.05Ox showed best catalytic activity, offering yield up 65.1% at 160 °C 3 MPa of O2, much higher than that using pristine MnOx (40.5%) and CeOx (9.9%). addition, shown be tolerant concentration. The introduction into increased total surface...
MnO x was used as a vanadium-free catalyst for conversion of glucose to formic acid in water with 81% yield which α-scission (C1–C2 bond cleavage) arabinose being an intermediate found be the major pathway.
Abstract Mid‐infrared spectroscopy is an emerging technique in various applications such as molecule identification and label‐free chemical sensing. Integrated photonic platforms have a promising potential to perform miniaturized spectroscopic sensing with the advantage of compact footprint, low cost, power consumption. As essential building block for integrated photonics, on‐chip phase shifter plays important role mid‐infrared systems, enabling signal processing spectrum analysis. However,...
Abstract Bio/chemical mixture sensing in a water environment is of great importance applications. Relying on plentiful molecular fingerprints mid‐infrared (MIR) and high integration potential, nanophotonic waveguide‐based MIR lab‐on‐a‐chip (LoC) provides miniaturized versatile solution for specific label‐free bio/chemical detection. However, it still challenging to implement an LoC with on‐chip photodetection chemical water, due the strong absorption limited photodetector scheme, let alone...
Hydrothermal carbonization (HTC) has a unique advantage over conventional processes to convert wet biomass into solid fuel without the need dewater and dry biomass. A byproduct of HTC process is aqueous phase (AP), rich in organic inorganic compounds. The AP, if discharged proper treatment, can cause environmental pollution. In this study, mono-, co-, stepwise-culture fungi (Penicillium sp.) microalgae (Chlorella on AP from same fungi-microalgae strains was investigated. results showed that...
Long-wave infrared (LWIR, 6–14 µm) is an important wavelength range as it covers abundant vibrational molecular fingerprints that can be used for gas/liquid sensing and absorption spectroscopy. Silicon waveguide-based passive photonic devices offer advantages toward chip-scale miniaturization of integrated circuits (PIC) sensors in LWIR have been explored. However, the modulation Si-based guided-wave propagation remains less reported. Here, we demonstrate a MEMS tunable directional coupler...