A5026491315- Advanced Sensor and Energy Harvesting Materials
- Advanced Materials and Mechanics
- ZnO doping and properties
- Conducting polymers and applications
- Tactile and Sensory Interactions
- Thin-Film Transistor Technologies
- Modular Robots and Swarm Intelligence
- Dielectric materials and actuators
- Cellular and Composite Structures
- Micro and Nano Robotics
- Photochromic and Fluorescence Chemistry
- Lipid Membrane Structure and Behavior
- Energy Harvesting in Wireless Networks
- Innovative Energy Harvesting Technologies
- Structural Health Monitoring Techniques
- 3D Printing in Biomedical Research
- Probabilistic and Robust Engineering Design
- Photoreceptor and optogenetics research
- Nanoplatforms for cancer theranostics
- Diamond and Carbon-based Materials Research
- Click Chemistry and Applications
- Automotive and Human Injury Biomechanics
- Molecular Communication and Nanonetworks
- Advanced MEMS and NEMS Technologies
- Electrical and Thermal Properties of Materials
Imperial College London
2020-2025
University of Southampton
2025
NIHR Imperial Biomedical Research Centre
2024
University of Oxford
2024
Cornell University
2021
University of Bristol
2016-2020
University of Utah
2013-2018
Provo College
2018
National Composites Centre
2017-2018
University of Illinois Urbana-Champaign
2018
Abstract An electronic skin (e‐skin) that can detect both normal and tangential forces with a differentiable signals output is essential for wearable electronics. A flexible, stretchable, highly sensitive tactile sensor presented enables the detection of forces, specific opposite thus easily being differentiated resistance changing outputs. The e‐skin, which based on two‐sublayered carbon nanotubes (CNTs)/graphene oxide (GO) hybrid 3D conductive networks, are anchored thin porous...
Significance Neuroscience studies using optogenetics have greatly improved our understanding of brain circuits. Advances in the combined use and pharmacology to further probe important neurochemical signals has lagged, however, large part due inconvenience conventional cannulated approaches, as well difficulty controlling, powering, manufacturing optofluidic devices that are reliable scalable for distribution neuroscience community. Here, we present a battery-free, wireless, lightweight...
Abstract Capabilities for controlled formation of sophisticated 3D micro/nanostructures in advanced materials have foundational implications across a broad range fields. Recently developed methods use stress release prestrained elastomeric substrates as driving force assembling structures and functional microdevices from 2D precursors. A limitation this approach is that releasing these their substrate returns them to original layouts due the elastic recovery constituent materials. Here,...
Abstract Continuous monitoring of human physiological signals is critical to managing personal healthcare by early detection health disorders. Wearable and implantable devices are attracting growing attention as they show great potential for real‐time recording conditions body motions. Conventional piezoelectric sensors have the advantage potentially being self‐powered, but limitations due their intrinsic lack stretchability. Herein, a kirigami approach realize novel stretchable strain...
Complex, three-dimensional (3D) mesostructures that incorporate advanced, mechanically active materials are of broad, growing interest for their potential use in many emerging systems. The technology implications range from precision-sensing microelectromechanical systems, to tissue scaffolds exploit the principles mechanobiology, mechanical energy harvesters support broad bandwidth operation. work presented here introduces strategies guided assembly and heterogeneous integration as routes...
E-textile consisting of natural fabrics has become a promising material to construct wearable sensors due its comfortability and breathability on the human body. However, reported fabric-based e-textile materials, such as graphene-treated cotton, silk, flax, generally suffer from electrical mechanical instability in long-term wearing. In particular, body have endure heat variation, moisture evaporation metabolic activities, even immersion with sweat. To face above challenges, here we report...
Abstract The circadian rhythm generates out-of-equilibrium metabolite oscillations that are controlled by feedback loops under light/dark cycles. Here we describe a non-equilibrium nanosystem comprising binary population of enzyme-containing polymersomes capable light-gated chemical communication, controllable and coupling to macroscopic oscillations. populations consist esterase-containing functionalized with photo-responsive donor–acceptor Stenhouse adducts (DASA) light-insensitive...
Soft actuators (SAs) are devices which can interact with delicate objects in a manner not achievable traditional robotics. While it is possible to design SA whose actuation triggered via an external stimulus, the use of single stimulus creates challenges spatial and temporal control actuation. Herein, 4D printed multimaterial soft actuator (MMSA) only initiated by combination triggers (i.e., pH temperature) presented. Using 3D printing, multilayered hydrophilic pH-sensitive layer,...
Rapid advances in sensing technologies are leading to the development of integrated wearable electronics for biomedical applications. Piezoelectric materials have great potential implantable devices because their self-powered capacities. The soft and highly deformable surfaces most tissues human body, however, restrict wide use piezoelectric materials, which feature low stretchability. Flexible polyvinylidene fluoride films that could conformably integrate with bodies would advantages health...
Amorphous silicon-zinc-tin-oxide (α-SZTO) thin films were prepared, and their properties investigated physically electrically, with an emphasis on the Si effects. An appropriate content in matrix can not only achieve stable dense films, but also suppress formation of oxygen vacancies efficiently, due to its high bonding ability. Thin film transistors (TFTs) α-SZTO active channel layers exhibited a field-effect mobility around 1 cm2V−1s−1, on/off current ratio 107, subthreshold swing 0.863...
Two-dimensional Penta-Pt<sub>2</sub>N<sub>4</sub> with excellent electronic and mechanical properties.
Developing highly efficient, durable, and low-cost catalysts for the hydrogen evolution reaction (HER) is an eternal pursuit scientists to replace Pt-based catalysts.
Microrobots are recognized as transformative solutions for drug delivery systems (DDSs) because they can navigate through the body to specific locations and enable targeted release. However, their realization is substantially limited by insufficient payload capacity, unavoidable leakage/deactivation, strict modification/stability criteria drugs. Natural puffballs possess fascinating features that highly desirable DDSs, including a large fruitbody storing spores, flexible protective cap,...
Abstract The development of near‐infrared light responsive conductive polymers provides a useful theranostic platform for malignant tumors by maximizing spatial resolution with deep tissue penetration diagnosis and photothermal therapy. Herein, the self‐assembly ultrathin 2D polypyrrole nanosheets utilizing dopamine as capping agent monolayer octadecylamine template is demonstrated. polypyrrole‐polydopamine nanostructure has tunable size distribution which shows strong absorption in first...
Abstract Nanomedicine has been extensively explored for therapeutic and diagnostic applications in recent years, owing to its numerous advantages such as controlled release, targeted delivery, efficient protection of encapsulated agents. Integration microneedle technologies with nanomedicine the potential address current limitations drug delivery including relatively low efficacy poor patient compliance enable theragnostic uses. In this Review, we first summarize representative types...
Highly sensitive flexible piezocapacitive (PC) pressure sensor demonstrates wide applications in wearable electronics. In this paper, we first theoretically proposed an effective strategy to improve the sensitivity of PC sensor, by constructing a porous dielectric layer composted inorganics with high constant (εH) and organics low (εL). By using CaCu3Ti4O12 (CCTO) nanocrystals giant ε as dopant polydimethylsiloxane (PDMS) matrix, ultrasoft CCTO-PDMS sponge was fabricated, via simple...
A combustion solution method was developed to fabricate amorphous ZnAlSnO (a-ZATO) for thin-film transistors (TFTs). The properties of a-ZATO films and behaviors TFTs were studied in detail. An appropriate Al content the matrix could suppress formation oxygen vacancies efficiently achieve densely films. exhibited acceptable performances, with an on/off current ratio ∼106, field-effect mobility 2.33 cm2·V−1·S−1, threshold voltage 2.39 V, subthreshold swing 0.52 V/decade at optimal (0.5)....
A novel hierarchical metamaterial with tunable negative Poisson’s ratio is designed by a re-entrant representative unit cell (RUC), which consists of star-shaped subordinate cells. The in-plane mechanical behaviors star-re-entrant are studied thoroughly finite element method, non-dimensional effective moduli and ratios (PR) obtained, then parameters length, inclined angle, thickness for star as well the amount along x, y directions RUC applied adjustable design variables to explore...