A5023991719- Advanced Memory and Neural Computing
- Conducting polymers and applications
- Neural Networks and Reservoir Computing
- Neural dynamics and brain function
- Neuroscience and Neural Engineering
- Photoreceptor and optogenetics research
- Quantum Dots Synthesis And Properties
- Organic Electronics and Photovoltaics
- Perovskite Materials and Applications
- Chalcogenide Semiconductor Thin Films
- Photoacoustic and Ultrasonic Imaging
- Analytical Chemistry and Sensors
- Biofuel production and bioconversion
- Electrochemical Analysis and Applications
- Advanced Sensor and Energy Harvesting Materials
- Ferroelectric and Negative Capacitance Devices
- Semiconductor materials and devices
- Advanced Cellulose Research Studies
- Nanowire Synthesis and Applications
- Aluminum Alloy Microstructure Properties
- 2D Materials and Applications
- Concrete Corrosion and Durability
- Land Rights and Reforms
- Wireless Power Transfer Systems
- Catalysis for Biomass Conversion
Soochow University
2016-2025
Shandong University of Technology
2023
University of Glasgow
2022
Tsinghua University
2020-2022
Institute of Microelectronics
2021
Central South University of Forestry and Technology
2020-2021
Central South University
2020
Jiangnan University
2016
Abstract Reservoir computing is a highly efficient network for processing temporal signals due to its low training cost compared standard recurrent neural networks, and generating rich reservoir states critical in the hardware implementation. In this work, we report parallel dynamic memristor-based system by applying controllable mask process, which parameters, including state richness, feedback strength input scaling, can be tuned changing length range of signal. Our achieves word error...
Abstract Exploring new type of synapse–like electronic devices with fusion computing and memory is a promising strategy to fundamentally approach intelligent machines. Herein, organic thin film memristors (OTFMs) are achieved, functioning as electrically programmable erasable analog continuous nonvolatile device states. The memristive characteristics OTFMs stem from the asymmetric electrode configuration cumulative charge trapping/detrapping in polymer electret layer, which enables...
Abstract Hardware implementation in resource-efficient reservoir computing is of great interest for neuromorphic engineering. Recently, various devices have been explored to implement hardware-based reservoirs. However, most studies were mainly focused on the layer, whereas an end-to-end architecture has yet be developed. Here, we propose a versatile method implementing cyclic reservoirs using rotating elements integrated with signal-driven dynamic neurons, whose equivalence standard...
Memristor with topotactic phase transition demonstrates controllable analog switching and implements neural network pruning.
Diverse microscopic ionic dynamics help mediate the ability of a biological neural network to handle complex tasks with low energy consumption. Thus, rich internal in memristors based on transition metal oxide are expected provide unique and useful platform for implementing energy-efficient neuromorphic computing. To this end, titanium (TiOx )-based interface-type dynamic memristor an niobium (NbOx Mott integrated as artificial dendrite spike-firing soma, respectively, construct dendritic...
Transition metal oxides (TMOs)/silicon (Si) heterocontact solar cells are currently under intensive investigation due to their simple fabrication process and less parasitic light absorption compared traditional counterparts. Effective segregation of carriers which is related carrier‐selective crucial for the performance photovoltaic devices. Molybdenum oxide (MoO x , ≤ 3), with a wide bandgap ∼3.24 eV as well defect bands derived from oxygen vacancies located inside band gap, has been...
We present a straightforward physical approach for synthesizing multiwalled carbon nanotubes (CNTs)-PdAu/Pt trimetallic nanoparticles (NPs), which allows predesign and control of the metal compositional ratio by simply adjusting sputtering targets conditions. The small-sized CNTs-PdAu/Pt NPs (~3 nm, Pd/Au/Pt 3:1:2) act as nanocatalysts methanol oxidation reaction (MOR), showing excellent performance with electrocatalytic peak current 4.4 A mg Pt −1 high stability over 7000 s. activity...
Abstract Minimizing reverse bias dark current density ( J ) while retaining high external quantum efficiency is crucial for promising applications of perovskite photodiodes, and it remains challenging to elucidate the ultimate origin . It demonstrated in this study that surface defects induced by iodine vacancies are main cause photodiodes. In a targeted way, thoroughly passivated through simple treatment with butylamine hydroiodide form ultrathin 2D on its 3D bulk. as low 3.78 × 10 ‐10 A cm...
Abstract Targeting the emulation of diverse synapses in brain, organic thin‐film memtransistors gated remotely by UV light are achieved and analytically modeled. They show continuously reversibly variable device states, degree variability can also be controlled selective gating. The modulable memristive characteristics cover a wide range four orders reading current, all with excellent state retention upon or power‐off. UV‐gating effect stems from UV‐enhanced cumulative charge...
Abstract 2D transition metal dichalcogenide (TMD) gradient alloys hold great promise for electronic and optoelectronic applications, benefiting from their structural compositional diversity as well potential multifunctionalities. However, critical challenges remain in the controlled synthesis unexplored uses of TMD compared to single‐composition TMDs. Herein, a “Face‐to‐Face” general strategy, which enables large‐area, uniform, highly reproducible preparation multiple types single...
Ultraviolet (UV) monitoring has wide applications in diverse fields, where sensitive photodetection and recording of UV exposure history are often simultaneously required. A new strategy is herein developed to achieve solar‐blind monitoring. Based on organic field‐effect transistors (OFETs), nonvolatile memories with both p‐type or n‐type active layers demonstrate selective storable response. These OFET only light 254 nm, have no response 365 nm visible light. The photoresponsive signal can...
Integration of selective photodetection and signal storage in a single device, such as organic field-effect transistor (OFET) memories, meets the demands for radiation monitoring protection. A new strategy is developed to achieve filter-free light by adopting solution-processed blend charge-trapping layer OFET where composed phenyl-C61-butyric acid methyl ester (PCBM) dispersed polymer electret thin film. The memory without PCBM shows response only ultraviolet light, whereas spectral edges...
Lignocellulosic biomass is a renewable resource that widely abundant and can be used to produce biofuels such as methanol ethanol. Because have the potential alleviate shortages of energy in today’s world, they attracted much research attention. The pretreatment lignocellulose an important step conversion products. destroy crosslinking effect lignin hemicellulose on cellulose, remove lignin, degrade hemicellulose, change crystal structure cellulose. reaction area between enzyme substrate...
In the vanguard of neuromorphic engineering, we develop a paradigm biocompatible polymer memcapacitors using seamless solution process, unleashing comprehensive synaptic capabilities depending on both stimulation form and history. Like human brain to learn adapt, exhibit analogue-type evolvable capacitance shifts that mirror complex flexibility strengthening weakening. With increasing frequency intensity stimulation, demonstrate an evolution from short-term plasticity (STP) long-term (LTP),...
An organic thin-film memcapacitive device, based on a partially covered semiconducting layer and polymer electret charge trapping layer, is achieved. The device has large number of capacitive states, with the effects analog modulation upon writing nonvolatile memory reading. A comprehensive physical model related to tuning carrier accumulation threshold in established elaborate its characteristics. could be good candidate as an electronic synapse ultralow static power.
Emerging organic synaptic devices are promising in exploring soft and biocompatible neuromorphic computing systems. By means of a simple low‐cost solution process, the polymer thin‐film memristors designed characterized. The have bilayer structure composed an ion‐rich semiconducting layer ion‐collecting conducting layer, where ion redistribution depending on device operation history has impact carrier concentration results memristive characteristics. A visible electrochromic feature is...
A simple and effective strategy, that is the use of 2-Methoxyethanol rather than anhydrous ethanol as ZnO precursor solvent, developed to greatly improve photoresponsivity in PbS colloidal quantum dot (CQD)/ZnO heterojunction short-wavelength infrared (SWIR) photodiodes. This approach significantly modifies PbS/ZnO interface through an increase electron concentration a reduction surface defects layer, which critical suppressing carrier recombination at interface. The optimized photodiodes...
A hybrid memristor based on the bilayer structure of indium gallium zinc oxide (IGZO)/polyvinyl alcohol (PVA) is developed, which demonstrates device state updates in an analog manner with high reliability. The IGZO/PVA heterojunction crucial for realization memristive characteristics, presumably associated oxygen ion redistribution across interface. may act as electronic synapse, being capable emulating synaptic potentiation good linearity, depression, and paired-pulse facilitation. It...
Organic thin film memcapacitors are designed and implemented by an organic multilayered structure, consisting of a semiconducting carrier accumulation layer polymer electret charge trapping layer. The capacitive states the device can continuously reversibly change upon programming/erasing at high biases, whereas they show nonvolatility reading low biases or power off. memcapacitive characteristics ascribed to modulation threshold resulting from cumulative reversible in may provide more...
High-performance pentacene-based organic field-effect transistor nonvolatile memories, using polystyrene as a tunneling dielectric and Au nanoparticles nano-floating-gate, show parallelogram-like transfer characteristics with featured transition point. The voltage at the point corresponds to threshold electric field in dielectric, over which stored electrons nano-floating-gate will start leak out. can be modulated depending on bias configuration device structure. For p-type active layers,...
Abstract Monolithically integrated pixels, with stacked PbS colloidal quantum dot (CQD) photodiodes and organic blocking diodes, are developed as the building block for constructing a short‐wavelength infrared (SWIR) crossbar imaging array. Arising from back‐to‐back configuration favorable energy level alignment, holes blocked photodiode at zero forward biases, which results in normally‐OFF behavior of pixels. Based on such device characteristics, monolithically pixels can effectively...