A5083715102- Advanced Memory and Neural Computing
- Photoreceptor and optogenetics research
- Conducting polymers and applications
- Advanced Sensor and Energy Harvesting Materials
- Neural Networks and Reservoir Computing
- Neuroscience and Neural Engineering
- Perovskite Materials and Applications
- Analytical Chemistry and Sensors
- Organic Electronics and Photovoltaics
- Gas Sensing Nanomaterials and Sensors
- Ferroelectric and Negative Capacitance Devices
- Advanced Battery Technologies Research
- Advancements in Battery Materials
- Transition Metal Oxide Nanomaterials
- Neural dynamics and brain function
- Muscle activation and electromyography studies
- Tactile and Sensory Interactions
- Advanced Chemical Sensor Technologies
- Electrochemical Analysis and Applications
- Advanced Battery Materials and Technologies
- CCD and CMOS Imaging Sensors
- Advanced Materials and Mechanics
- Electrochemical sensors and biosensors
- Hydrogels: synthesis, properties, applications
- Quantum Dots Synthesis And Properties
Tongji University
2017-2025
University of Chicago
2021-2024
University of Hong Kong
2023-2024
Abstract Simulating biological synapses with electronic devices is a re‐emerging field of research. It widely recognized as the first step in hardware building brain‐like computers and artificial intelligent systems. Thus far, different types have been proposed to mimic synaptic functions. Among them, transistor‐based advantages good stability, relatively controllable testing parameters, clear operation mechanism, can be constructed from variety materials. In addition, they perform...
Synaptic transistors stimulated by light waves or photons may offer advantages to the devices, such as wide bandwidth, ultrafast signal transmission, and robustness. However, previously reported light-stimulated synaptic devices generally require special photoelectric properties from semiconductors sophisticated device's architectures. In this work, a simple effective strategy for fabricating is provided utilizing interface charge trapping effect of organic field-effect (OFETs)....
Implementation of artificial intelligent systems with light-stimulated synaptic emulators may enhance computational speed by providing devices high bandwidth, low power computation requirements, and crosstalk. One the key challenges is to develop that can response light signals in a neuron-/synapse-like fashion. A simple effective solution process fabricate transistors (LSSTs) based on inorganic halide perovskite quantum dots (IHP QDs) organic semiconductors (OSCs) reported. Blending IHP QDs...
A stretchable pressure sensor can provide highly sensitive and strain-unperturbed measurement to pressures on deformed skins.
Artificial visual system with information sensing, processing, and memory function is promoting the development of artificial intelligence techniques. Photonic synapse as an essential component can enhance processing efficiency owing to high propagation speed, low latency, large bandwidth. Herein, photonic synaptic transistors based on organic semiconductor poly[2,5-(2-octyldodecyl)-3,6-diketopyrrolopyrrole-alt-5,5-(2,5-di(thien-2-yl)thieno [3,2-b]thiophene)] (DPPDTT) perovskite CsPbBr3...
Abstract Inspired by the photosynthesis process of natural plants, multifunctional transistors based on biomaterial chlorophyll and organic semiconductors (OSCs) are reported. Functions as photodetectors (PDs) light‐stimulated synaptic (LSSTs) can be switched gate voltage. As PDs, devices exhibit ultrahigh photoresponsivity up to 2 × 10 6 A W −1 , detectivity 15 Jones, I photo / dark ratio 2.7 which make them among best reported PDs. LSSTs, important functions similar biological synapses...
Implementing synaptic functions with electronic devices is critical to achieve neuromorphic systems on the hardware platform, as synapses play important roles in brain computing and memory. Synapses modulated by light signals, which are also referred photonic synapses, can not only make effective use of outstanding properties provide ultrahigh propagation speed, high bandwidth low crosstalk but a noncontact writing method, facilitate evolution optical wireless communication operation. More...
Abstract Soft and stretchable electronics have emerged as highly promising tools for biomedical diagnosis biological studies, they interface intimately with the human body other systems. Most electronic materials devices, however, still Young’s moduli orders of magnitude higher than soft bio-tissues, which limit their conformability long-term biocompatibility. Here, we present a design strategy interlayer allowing use existing relatively high to versatilely realize devices ultralow...
Organic electrochemical transistors (OECTs) represent an emerging device platform for next-generation bioelectronics owing to the uniquely high amplification and sensitivity biological signals. For achieving seamless tissue-electronics interfaces accurate signal acquisition, skin-like softness stretchability are essential requirements, but they have not yet been imparted onto high-performance OECTs, largely due lack of stretchable redox-active semiconducting polymers. Here, a semiconductor...
Continuous glucose monitoring systems (CGMs) are critical toward closed-loop diabetes management. The field's progress urges next-generation CGMs with enhanced antinoise ability, reliability, and wearability. Here, we propose a coin-sized, fully integrated, wearable CGM, achieved by holistically synergizing state-of-the-art interdisciplinary technologies of biosensors, minimally invasive tools, hydrogels. proposed CGM consists three major parts: (i) an emerging biochemical signal amplifier,...
Abstract Organic ion‐gated transistors (OIGTs) demonstrate commendable performance for versatile neuromorphic systems. However, due to the fragility of organic materials solvents, efficient and reliable all‐photolithography methods scalable manufacturing high‐density OIGT arrays with multimode functions are still missing, especially when all active layers patterned in high‐density. Here, a flexible (9662 devices per cm 2 ) array high yield minimal device‐to‐device variation is fabricated by...
Abstract The last decades have witnessed the rapid growth of hydrogel bioelectronics. Traditional hydrogels face challenges when working under extreme conditions, causing a loss stabilities and functionalities. This review provides systematic overview capable with focus on their applications in bioelectronic systems. These are summarized into categories anti‐mechanical damage, anti‐detachment, anti‐swelling, anti‐freezing, anti‐foreign body response. Strategies including material development...
Abstract Biodegradability, low-voltage operation, and flexibility are important trends for the future organic electronics. High-capacitance dielectrics essential field-effect transistors. Here we report application of environmental-friendly cellulose nanopapers as high-capacitance with intrinsic ionic conductivity. Different previously reported liquid/electrolyte-gated dielectrics, can be applied all-solid without any liquid or gel. Organic transistors fabricated nanopaper exhibit good...
The use of biocompatible and biodegradable materials in electronic devices can be an important trend the development next-generation green electronics. In addition, by integrating advantages low power consumption, low-cost processing, flexibility, organic synaptic will promising elements for construction brain-inspired computers. However, previously reported electrolyte-gated transistors are mainly made non-biocompatible non-biodegradable electrolytes. Woods widely considered as one kind...
Abstract Lead‐free perovskite materials are exhibiting bright application prospects in photodetectors (PDs) owing to their low toxicity compared with traditional lead perovskites. Unfortunately, photoelectric performance is constrained by the relatively charge conductivity and poor stability. In this work, photoresponsive transistors based on stable lead‐free bismuth perovskites CsBi 3 I 10 single‐walled carbon nanotubes (SWCNTs) first reported. The SWCNTs significantly strengthen...
With the growing requirements for renewability and sustainability of electronic products, environmentally friendly cellulose-based materials have attracted immense research interests gained increasing prominence devices. Humidity sensors play an essential role in industries, agriculture, climatology, medical services, daily life. Here, first time, we fabricate capacitive humidity based on ionic conductive wood-derived cellulose nanopapers (WCNs). The WCN-based exhibited ultrahigh...
Abstract 2D organic semiconductors (OSCs) with atomically layered scaling structure have been attracting intensive attention in recent years. Benefiting from their unique size advantages, materials the potential to be immune short‐channel effects. High‐performance photoresponsive transistors based on OSC films excellent light‐stimulated synaptic properties are reported. They exhibit a high I photo /I dark (up 1.7 × 10 5 ), competitive photoresponsivity 3 A W −1 and an ultrahigh detectivity...
Abstract Synaptic electronics is a new technology for developing functional electronic devices that can mimic the structure and functions of biological counterparts. It has broad application prospects in wearable computing chips, human–machine interfaces, neuron prostheses. These types applications require synaptic with ultralow energy consumption as effective supply electronics, which still very difficult. Here, artificial synapse emulation demonstrated by solid‐ion gated organic...
Abstract Artificial synapses have shown great potential in the research of artificial intelligence and brain‐like computing. synaptic devices based on vertical organic field‐effect transistors (VOFETs) exhibit shorter carrier transmission distances more stable source–drain currents than conventional planar due to their smaller channel lengths. By taking advantage structure, low working voltage can be achieved. Here, with as 10 µV ultra‐low power consumption (≈1.3 fJ per spike) are proposed....
For the realization of retina-inspired neuromorphic visual systems which simulate basic functions human systems, optoelectronic synapses capable combining perceiving, processing, and memorizing in a single device have attracted immense interests. Here, synaptic transistors based on tris(2-phenylpyridine) iridium (Ir(ppy) 3 ) poly(3,3-didodecylquarterthiophene) (PQT-12) heterojunction structure are presented. The organic serves as basis for distinctive characteristics under different...
Abstract Inspired by human brains, optoelectronic synapses are expected as one of significant steps for constructing neuromorphic systems. In addition, intensive attention has been paid to biodegradable and biocompatible materials developing green electronics. this regard, environmentally friendly organic synaptic transistors based on wood-derived cellulose nanopaper (WCN) dielectric/substrate nature chlorophyll-a photoactive material demonstrated. Both WCN from natural organisms. Versatile...
Abstract Heterojunctions of perovskite quantum dots (QDs) and organic semiconductors (OSCs) can synergistically leverage the unique optoelectronic properties different functional components to fabricate advanced devices, such as neuromorphic photosensors, by low‐cost solution processes. However, a long‐lasting challenge remains in micropatterning high‐density QDs/polymer OSCs heterojunction array with high yield reliability due fragility layers solvents. High‐density micro‐structure...