- Advanced Materials and Mechanics
- Advanced Sensor and Energy Harvesting Materials
- 2D Materials and Applications
- Surface Modification and Superhydrophobicity
- Nonlinear Optical Materials Studies
- Hydrogels: synthesis, properties, applications
- Tactile and Sensory Interactions
- Silk-based biomaterials and applications
- Chalcogenide Semiconductor Thin Films
- Micro and Nano Robotics
- Quantum Dots Synthesis And Properties
- Organic Electronics and Photovoltaics
- MXene and MAX Phase Materials
- Advanced Memory and Neural Computing
- Advanced Measurement and Metrology Techniques
- Nanowire Synthesis and Applications
- Planarian Biology and Electrostimulation
- Advanced Fiber Laser Technologies
- Metamaterials and Metasurfaces Applications
- ZnO doping and properties
- Bone Tissue Engineering Materials
- Advanced Antenna and Metasurface Technologies
- Structural Analysis and Optimization
- Nanofabrication and Lithography Techniques
- Perovskite Materials and Applications
Huazhong University of Science and Technology
2019-2025
Wuhan National Laboratory for Optoelectronics
2019-2025
Abstract Intelligent micromachines that respond to external light stimuli have a broad range of potential applications, such as microbots, biomedicine, and adaptive optics. However, artificial light‐driven intelligent with low actuation threshold, rapid responsiveness, designable precise 3D transformation capability remain unachievable date. Here, single‐material one‐step 4D printing strategy are proposed enable the nanomanufacturing agile low‐threshold programmable shape‐morphing...
Memristors are regarded as one of the key devices to break through traditional Von Neumann computer architecture due their capability simulating function neural synapses.
Structural wrinkles in nature have been widely imitated to enhance the surface functionalities of objects, especially three-dimensional (3D) architectured wrinkles, holding promise for emerging applications mechanical, electrical, and biological processes. However, fabrication user-defined 3D nanowrinkled architectures is a long-pending challenge. Here, we propose bottom-up laser direct assembly strategy fabricate multidimensional single-material one-step process. Through introduction...
Ultrafast laser-processed MWNT/polymer composite materials for an absorbent polymeric matrix and self-assembly of PEDOT:PSS to obtain nanostructured electrically conductive hydrogels.
The precise placement of semiconductor nanowires (NWs) into two- or three-dimensional (2D/3D) micro-/nanoarchitectures is a key for the construction integrated functional devices. However, long-pending challenges still exist in high-resolution 3D assembly NWs. Here, we have achieved directional zinc oxide (ZnO) NWs nearly arbitrary architectures with high spatial resolution using two-photon polymerization. can regularly align any desired direction along laser scanning pathway. Through...
Two-dimensional (2D) material photodetectors have received considerable attention in optoelectronics as a result of their extraordinary properties, such passivated surfaces, strong light-matter interactions, and broad spectral responses. However, single 2D still suffer from low responsivity, large dark current, long response time atomic-level thickness, binding energy, susceptibility to defects. Here, transition metal trichalcogenide TiS3 with excellent photoelectric characteristics,...
Abstract 3D nanoprinting can significantly enhance the performance of sensors, batteries, optoelectronic/microelectronic devices, etc. However, current methods for metal oxides are suffering from three key issues including limited material applicability, serious shape distortion, and difficulty heterogeneous integration. This paper discovers a mechanism in which imidazole acrylic acid synergistically coordinate with ions water. Using mechanism, this work develops series ion synergistic...
The precise construction of hierarchically long-range ordered structures using molecules as fundamental building blocks can fully harness their anisotropy and potential. However, the 3D, high-precision, single-step directional assembly is a long-pending challenge. Here, 3D molecular strategy via femtosecond laser direct writing (FsLDW) proposed feasibility this approach liquid crystal (LC) an illustrative example demonstrated. physical mechanism for (fs) laser-induced LC investigated,...
In tissue engineering, scaffolds are designed to mimic the extracellular matrix (ECM), creating three-dimensional (3D) microenvironments that support cell adhesion and growth. However, precise fabrication of heterogenenous ECM-mimicking 3D microstructures remains an unsolved challenge. To address this, high-precise sericin-based were developed via femtosecond laser direct writing (FsLDW) technology. Chemically modified sericin served as a monomer in FsLDW process, achieving nanoscale...
Abstract Bacteria‐associated wound infections lead to life‐threatening complications such as systemic inflammatory response (SIRS) or septic shock. Even though affordable and permeable polyurethane (PU) dressings are widely used in clinical practice, their pure shielding function appears ineffective for contaminated wounds. Herein, an ultrafast laser is utilized fabricate micro/nanostructures PU significantly enhance drug loading capacity. In contrast untreated areas, the direct writing with...
Abstract Semiconductors are the cornerstones of current information age. Next‐generation integrated optoelectronics calls for ultrahigh‐resolution manufacturing sophisticated three‐dimensional (3D) semiconductor products, which introduces tremendous challenges conventional planar lithography techniques. State‐of‐the‐art 3D printing techniques promising but hampered by absence functional precursors formation. Here, a facile method to synthesize versatile and customizable metal‐bound composite...
Quasi-1D titanium trisulfide (TiS3) has strong in-plane anisotropy with a direct band gap of about 1 eV, which attracted wide attention in the fields microelectronics and optoelectronics. However, investigation situ synthesis, synthetic mechanism, nonlinear optical properties TiS3 is rarely reported. In this work, we developed transfer-free method to grow nanoribbons, successfully reducing synthesis time from few days less than 24 h without pretreatment. Raman spectroscopy revealed was not...
The widespread use of stimuli-responsive hydrogels is closely related to their synthesis efficiency. However, the widely used thermal-responsive poly(N-isopropylacrylamide) (PNIPAM) usually require a time-consuming process produce (more than 12 h) and exhibit relatively slow response speed in field cryo-polymerization. In this study, sequence thawing polymerization after freezing by two-step method free radical for efficient PNIPAM (merely 2 with an excellent comprehensive performance...
Rapid fabricating and harnessing stimuli-responsive behaviors of microscale bio-compatible hydrogels are great interest to the emerging micro-mechanics, drug delivery, artificial scaffolds, nano-robotics, lab chips. Herein, we demonstrate a novel femtosecond laser additive manufacturing process with smart materials for soft interactive hydrogel micro-machines. Bio-compatible hyaluronic acid methacryloyl was polymerized hydrophilic diacrylate into an absorbent matrix under tight topological...
Abstract Semiconductive hydrogels denote a strategically valuable platform associated with interdiscipline fields by double advantages of metals and organisms (eco‐friendliness, structural flexibility, mixed conduction, real‐time responsiveness, scalable fabrication, chemical stability). Nevertheless, the orthodox chemical/physical methods processing yield planar‐like layers or rough structures without ultrafine feature size manipulative performance, falling short µ‐robotics, µ‐electronics,...
<title>Abstract</title> Untethered microrobots hold significant promise in fields such as bionics, biomedicine, and micromechanics. However, replicating the diverse movements of natural microorganisms artificial presents a considerable challenge. This paper introduces laser-based approach that utilizes lattice metamaterials to enhance deformability hydrogel-based microrobots, resulting untethered light-driven soft (LSMR). Constructed from single-walled carbon...
ADVERTISEMENT RETURN TO ISSUEPREVCommentsNEXTReply to Comment on "Rapid Solid-Phase Sulfurization Growth and Nonlinear Optical Characterization of Transfer-Free TiS3 Nanoribbons"Wenguang ZhangWenguang ZhangWuhan National Laboratory for Optoelectronics, Huazhong University Science Technology, Wuhan, Hubei 430074, ChinaMore by Wenguang Zhang, Ting LvTing LvWuhan Lv, Chunsan DengChunsan DengWuhan Deng, Linlin ZhouLinlin ZhouWuhan Zhou, Chengyiran WeiChengyiran WeiWuhan Wei, Hui GaoHui GaoWuhan...
Carbon nanotube, the smallest nanoelectronic materials, has been extensively used as electric materials for chip-scale electronics due to their high conductivity, desirable mechanical properties, and easy surface functionalization. Also conductive polymer, well-known its work function, real-time responsiveness, film-formation ability stretchability. Herein, we combine carbon nanotube-doped hydrophilic with polymer via two-photon hydrogelation conductivity-tunable functional devices. Taking...
The fabrication of three-dimensional (3D) wrinkle architectures has garnered extensive attention from both the academic and industrial sectors. Ultrafast laser 3D nanoprinting allows for intricate architectures, offering precise control over fine morphological characteristics. temperature modulation induced by ultrafast along scanning path triggers a volume change in thermal-responsive polymer, resulting surface instability printed voxel lines. printing process involves an external field...
This paper, originally published on 17 May 2019, was withdrawn 24 July 2019 at the request of authors.
Precisely-microstructured hydrogels via ultrafast laser processing have triggered a wide range of multi-functional applications such as artificial muscle, self-folding or biological robotics. Herein, we modify polarization pulsed and wavelength to optimize the structural fixity feature improvement nanowires/microarchitectures in processing. Paralleling linear with scanning direction suitable is demonstrated key factor improving size during 3D formation two-photon hydrogelation.
Optical lithography or 3D printing operates on multi-dimensional movement at high resolution. Therefore, accurate position of both x-axis and y-axis deserves real-time measurement. Herein, we utilizes a half-external cavity orthogonal self-mixing laser interferometry for determining displacement two independent targets. Synchronous detection irrelevant displacements with nanometer accuracy (<10 nm) is realized here. Circularly polarized beam optically-multiplexed into polarization states...