A5100369566- Luminescence Properties of Advanced Materials
- Luminescence and Fluorescent Materials
- Nanoplatforms for cancer theranostics
- X-ray Diffraction in Crystallography
- Perovskite Materials and Applications
- Crystallization and Solubility Studies
- Quantum Dots Synthesis And Properties
- Structural Behavior of Reinforced Concrete
- Radiation Detection and Scintillator Technologies
- Structural Load-Bearing Analysis
- Advanced biosensing and bioanalysis techniques
- Photoreceptor and optogenetics research
- Sulfur-Based Synthesis Techniques
- Catalytic C–H Functionalization Methods
- Gold and Silver Nanoparticles Synthesis and Applications
- Advanced Nanomaterials in Catalysis
- Lanthanide and Transition Metal Complexes
- Biosensors and Analytical Detection
- Crystallography and molecular interactions
- Molecular Sensors and Ion Detection
- Advanced Photocatalysis Techniques
- Random lasers and scattering media
- Gas Sensing Nanomaterials and Sensors
- Radical Photochemical Reactions
- Organic Light-Emitting Diodes Research
National University of Singapore
2016-2025
Institute of Materials Research and Engineering
2015-2025
Agency for Science, Technology and Research
2015-2025
Singapore University of Technology and Design
2022-2025
University of Science and Technology Beijing
2021-2025
Shenzhen University
2016-2024
Shanghai Pulmonary Hospital
2016-2024
Tongji University
2016-2024
Tianjin University
2019-2024
Suzhou Research Institute
2015-2024
A general approach to fine-tuning the upconversion emission colors, based upon a single host source of NaYF4 nanoparticles doped with Yb3+, Tm3+, and Er3+, is presented. The intensity balance can be precisely controlled using different host−activator systems dopant concentrations. allows access wide range luminescence from visible near-infrared by single-wavelength excitation.
Stimulating deep inside the brain Noninvasive stimulation is an important goal in neuroscience and neuroengineering. Optogenetics normally requires use of a blue laser inserted into brain. Chen et al. used specialized nanoparticles that can upconvert near-infrared light from outside local emission (see Perspective by Feliu ). They injected these ventral tegmental area mouse activated channelrhodopsin expressed dopaminergic neurons with generated skull at distance several millimeters. This...
A series of Yb/Tm co-doped NaGdF4 nanoparticles without or with a thin surface protection layer provide direct evidence quenching effect on size-dependent upconversion luminescence (see picture). The coating preserves the optical integrity (right-hand spectrum) and minimizes emission loss induced by quenching. Detailed facts importance to specialist readers are published as "Supporting Information". Such documents peer-reviewed, but not copy-edited typeset. They made available submitted...
A new type of core-shell upconversion nanoparticles which can be effectively excited at 795 nm has been designed and synthesized through spatially confined doping neodymium (Nd(3+)) ions. The use Nd(3+) ions as sensitizers facilitates the energy transfer photon a series lanthanide activators (Er(3+), Tm(3+), Ho(3+)) biocompatible excitation wavelength (795 nm) also significantly minimizes overheating problem associated with conventional 980 excitation. Importantly, design enabled...
Particle size is generally considered to be the primary factor in design of nanocrystal photocatalysts, because reduction particle increases number active sites. However, benefit from can canceled by a higher electron−hole recombination rate due confined space sphere-shaped nanoparticles. Here we report mechanistic study on novel nanobelt structure that overcomes drawback Single-crystalline anatase TiO2 nanobelts with two dominant surfaces (101) facet exhibit enhanced photocatalytic activity...