A5068101189- Mesoporous Materials and Catalysis
- Surface Modification and Superhydrophobicity
- Zeolite Catalysis and Synthesis
- Orbital Angular Momentum in Optics
- Advanced Materials and Mechanics
- Nonlinear Optical Materials Studies
- Laser Material Processing Techniques
- Catalytic Processes in Materials Science
- Micro and Nano Robotics
- Advanced Sensor and Energy Harvesting Materials
- Advanced Photocatalysis Techniques
- Electrohydrodynamics and Fluid Dynamics
- Pickering emulsions and particle stabilization
- Nanofabrication and Lithography Techniques
- Polyoxometalates: Synthesis and Applications
- Electrowetting and Microfluidic Technologies
- Iron oxide chemistry and applications
- Fluid Dynamics and Heat Transfer
- Adhesion, Friction, and Surface Interactions
- TiO2 Photocatalysis and Solar Cells
- Silicone and Siloxane Chemistry
- Aerogels and thermal insulation
- Metamaterials and Metasurfaces Applications
- Microfluidic and Bio-sensing Technologies
- Copper-based nanomaterials and applications
University of Science and Technology of China
2016-2025
Chinese Academy of Sciences
2012-2025
Wuhan University of Technology
2024-2025
Fudan University
1996-2025
China Institute of Atomic Energy
2025
Xi'an Aeronautical University
2024
Hefei National Center for Physical Sciences at Nanoscale
2019-2024
State Grid Corporation of China (China)
2023-2024
Changzhou University
2023-2024
Guilin University of Technology
2024
Abstract Rice leaves with anisotropic sliding properties have the ability to directionally control movement of water microdroplets. However, realization artificial biosurfaces has remained challenging. It is found, by a systematic investigation, that height 200‐μm‐width groove arrays on rice reaches up 45 μm, far greater than smaller microgrooves are widely adopted for study wetting. A new model based three‐level microstructures (macro/micro/nano) developed interpret behavior. Moreover,...
Precise tuning of surface wettability – by means curvature-driven reversible switching from the pinned to roll-down superhydrophobic state (see figure) is reported for first time. The adhesion force and sliding behaviors poly(dimethylsiloxane) (PDMS) pillar arrays show strong dependence on curvature. Alteration curvature allows a water droplet be easily adjusted " pinned" "roll-down" state, which provides possibility precise, in situ control movements droplets.
Optical vortices, a type of structured beam with helical phase wavefronts and 'doughnut'-shaped intensity distributions, have been used to fabricate chiral structures in metals spiral patterns anisotropic polarization-dependent azobenzene polymers. However, isotropic polymers, the fabricated microstructures are typically confined non-chiral cylindrical geometry due two-dimensional profile optical vortices. Here we develop powerful strategy realize material by coaxial interference vortex...
Femtosecond lasers have unique characteristics of ultrashort pulse width and extremely high peak intensity; however, one the most important features femtosecond laser processing is that strong absorption can be induced only at focus position inside transparent materials due to nonlinear multiphoton absorption. This exclusive feature makes it possible directly fabricate three-dimensional (3D) microfluidic devices in glass microchips by two methods: 3D internal modification using direct...
Abstract Botanical systems have evolved the intriguing ability to respond diverse stimuli due long‐term survival competition. Mimicking these dynamic behaviors has greatly advanced developments in wide fields ranging from soft robotics, precision sensors drug delivery and biomedical devices. However, realization of stimuli‐responsive components at microscale with high response speed still remains a significant challenge. Herein, miniature biomimetic 4D printing pH‐responsive hydrogel is...
Abstract Smart dynamic regulation structured surfaces, inspired by nature, which can dynamically change their surface topographies under external stimuli for convertible fluidic and optical properties, have recently motivated significant interest scientific research industrial applications. However, there is still high demand the development of multifunctional transformable surfaces using facile preparation strategies. In this work, a type Janus high‐aspect‐ratio magnetically responsive...
Microrobots have attracted considerable attention due to their extensive applications in microobject manipulation and targeted drug delivery. To realize more complex micro-/nanocargo (e.g., encapsulation release) biological applications, it is highly desirable endow microrobots with a shape-morphing adaptation dynamic environments. Here, environmentally adaptive (SMMRs) been developed by programmatically encoding different expansion rates pH-responsive hydrogel. Due combination magnetic...
Abstract Nonlinear beam shaping refers to spatial reconfiguration of a light at new frequency, which can be achieved by using nonlinear photonic crystals (NPCs). Direct has been convert second-harmonic waves into focusing spots, vortex beams, and diffraction-free beams. However, previous configurations in one-dimensional two-dimensional (2D) NPCs generally suffer from low efficiency because unfulfilled phase-matching condition. Here, we present efficient generations Hermite-Gaussian beams...
Droplet manipulation is crucial for diverse applications ranging from bioassay to medical diagnosis. Current magnetic-field-driven strategies are mainly based on fixed or partially tunable structures, which limits their flexibility and versatility. Here, a reconfigurable magnetic liquid metal robot (MLMR) proposed address these challenges. Diverse droplet behaviors including steady transport, oscillatory release can be achieved by the MLMR, underlying physical mechanisms revealed. Moreover,...
Inspired by the flexible joints of humans, actuators containing soft have been developed for various applications, including grippers, artificial muscles, and wearable devices. However, integrating multiple microjoints into robots at micrometer scale to achieve multi-deformation modalities remains challenging. Here, we propose a two-in-one femtosecond laser writing strategy fabricate composed hydrogel metal nanoparticles, develop multi-joint microactuators with (>10), requiring short...
The emerging two-photon polymerization (TPP) technique enables high-resolution printing of complex 3D structures, revolutionizing micro/nano additive manufacturing. Various fast scanning and parallel processing strategies have been proposed to promote its efficiency. However, obtaining large numbers uniform focal spots for high-speed remains challenging, which hampers the realization higher throughput. We report a TPP platform that combines galvanometric mirrors liquid crystal on silicon...
Abstract Despite their notable unidirectional water transport capabilities, Janus membranes are commonly challenged by the fragility of chemical coatings and clogging open microchannels. Here, an on-demand mode-switching strategy is presented to consider functionality mechanical durability separately implement them simply stretching releasing membrane. The mode facilitates liquid flow through hydrophilic micropores-microgrooves channels (PG channels) fabricated femtosecond laser. protection...
Abstract The use of ‘Electrostatic tweezers’ is a promising tool for droplet manipulation, but it faces many limitations in manipulating droplets on superhydrophobic surfaces. Here, we achieve noncontact and multifunctional manipulation Nepenthes-inspired lubricated slippery surfaces via triboelectric electrostatic tweezers (TETs). TET surface has advantages over surface. field induces the redistribution charges inside neutral droplet, which causes charged rod to drive move forward under...
Titanate nanofibers with two formulas, Na2Ti3O7 and Na1.5H0.5Ti3O7, respectively, exhibit ideal properties for removal of radioactive heavy metal ions in wastewater, such as Sr2+, Ba2+ (as substitute 226Ra2+), Pb2+ ions. These can be fabricated readily by a reaction between titania caustic soda have structures which TiO6 octahedra join each other to form layers negative charges; the sodium cations exist within interlayer regions are exchangeable. They selectively adsorb bivalent from water...
Abstract Despite significant advances in iron oxide nanoparticles, it is still a challenge to synthesize regular polyhedral single‐crystalline α‐Fe 2 O 3 particles because the surface energies of several low‐index planes are fairly similar. In work presented here, well‐dispersed and dodecahedral octodecahedral synthesized by facile hydrothermal method with aid F − anions. The crystalline structure disclosed various characterization techniques. hexagonal bipyramidal shape enclosed twelve...
Microfluidic researches are now resorting to advanced micro-nanoprocessing technologies for production of more functional "lab-on-a-chip" systems. However, two-photon polymerization (TPP), a powerful designable micro-nanofabrication approach, has not been put use on the exciting field, largely due difficulties in forming buried channels. Here, we solve problem by TPP prototyping nanoshells, which usage negative tone resin SU-8 is found critical. The fabrication efficiency improved orders...
Closed-packed high numerical aperture (NA) microlens arrays (MLA) are highly desirable for resolution imaging and signal-to-noise-ratio detection in micro-optical integrated optical applications. However, realization of such devices remains technically challenging. Here, we report quality fabrication curved surfaces MLAs by taking the full advantage surface self-smoothing effect creating reproducible voxels adopting an equal-arc scanning strategy. MLA approximately 100% fill ratio NA 0.46,...
The small field‐of‐view (FOV) limits the range of vision in various detecting/imaging devices from biological microscopes to commercial cameras and military radar. To date, imaging with FOV over 90° has been realized fish‐eye lenses, catadioptric lens, rotating cameras. However, these suffer inherent distortion require multiple bulky elements. Inspired by compound eyes found nature, here a small‐size (84 μm), distortion‐free, wide‐FOV system is presented via an advanced 3D artificial eye...
Abstract True three‐dimensionally (3D) integrated biochips are crucial for realizing high performance biochemical analysis and cell engineering, which remain ultimate challenges. In this paper, a new method termed hybrid femtosecond laser microfabrication consists of successive subtractive (femtosecond laser‐assisted wet etching glass) additive (two‐photon polymerization polymer) 3D microprocessing was proposed “ship‐in‐a‐bottle” microchip. Such novel microchips were fabricated by...
Composition modification and surface microstructures have been widely utilized in interface science to improve the performance. In this paper, we observed a significant improvement of oil contact angle (CA) from 66 ± 2° 120 4° by introducing radical silanol group on flat PDMS through oxygen plasma pretreatment. By combining modification, produced three kinds superoleophobic surfaces: 20 μm pitch micropillar arrays, 2.5 arrays gecko foot-like hierarchical microstructures. Among them, with...