A5101907333- Perovskite Materials and Applications
- Conducting polymers and applications
- Chalcogenide Semiconductor Thin Films
- Quantum Dots Synthesis And Properties
- Organic Electronics and Photovoltaics
- Organic Light-Emitting Diodes Research
- Advanced Sensor and Energy Harvesting Materials
- Tactile and Sensory Interactions
- Muscle activation and electromyography studies
- Solid-state spectroscopy and crystallography
- Advancements in Semiconductor Devices and Circuit Design
- CCD and CMOS Imaging Sensors
- Advanced battery technologies research
- Photoreceptor and optogenetics research
- Laser Design and Applications
- Neuroscience and Neural Engineering
- Coral and Marine Ecosystems Studies
- Nanomaterials and Printing Technologies
- Photorefractive and Nonlinear Optics
- Thin-Film Transistor Technologies
- Electrocatalysts for Energy Conversion
- Analog and Mixed-Signal Circuit Design
- Advanced Memory and Neural Computing
- Energy Harvesting in Wireless Networks
- Solid State Laser Technologies
BaiCheng Normal University
2025
University of Toledo
2023-2024
University of Chinese Academy of Sciences
2016-2022
Ningbo Institute of Industrial Technology
2017-2022
Chinese Academy of Sciences
2017-2022
East China Normal University
2021-2022
Beijing Institute of Nanoenergy and Nanosystems
2018-2020
University of Science and Technology Beijing
2019
Beijing Jiaotong University
2013
For biological synapses, high sensitivity is crucial for transmitting information quickly and accurately. Compared to memristive ones show a much lower electrical stimuli since higher voltages are needed induce synaptic plasticity. Yet, little attention has been paid enhancing the of devices. Here, electrochemical metallization memory cells based on lightly oxidized ZnS films found highly controllable switching with an ultralow SET voltage several millivolts, which likely originates from...
Abstract Stability has become the main obstacle for commercialization of perovskite solar cells (PSCs) despite impressive power conversion efficiency (PCE). Poor crystallization and ion migration are major origins its degradation under working condition. Here, high‐performance PSCs incorporated with pyridine‐2‐carboxylic lead salt (PbPyA 2 ) fabricated. The pyridine carboxyl groups on PbPyA can not only control but also passivate grain boundaries (GBs), which result in high‐quality film...
Abstract With the arrival of intelligent terminals, tactile sensors which are capable sensing various external physical stimuli considered among most vital devices for next generation smart electronics. To create a self‐powered sensor system that can function sustainably and continuously without an power source is crucial significance. An overview development in array based on triboelectric effect systematically presented. The combination multi‐functionalization high performance aimed at...
Triiodide cesium lead perovskite (CsPbI3 ) has promising prospects in the development of efficient and stable photovoltaics both single-junction tandem structures. However, achieving inverted devices that provide good stability are compatible to remains a challenge, deep insights still not understood. This study finds surface components CsPbI3 intrinsically lead-poor relevant traps p-type with localized states. These deep-energy-level p induce inferior transfer or electrons serious...
Abstract Easy‐to‐form tin vacancies at the buried interface of tin‐lead perovskites hinder performance low‐bandgap perovskite solar cells (PSCs). Here, a synergistic strategy by incorporating potassium citrate (PC) into poly(3,4‐ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) hole‐transport layer to passivate Sn‐Pb PSCs is reported. PC neutralizes acidity PEDOT:PSS and stabilizes front surface, enhancing device stability. Citrate moieties coordinate with Sn 2+ on preventing...
Chemical anticorrosion of metal electrode with benzotriazole inhibitor enhances the stability perovskite solar cells.
Large opening circuit voltage (Voc) loss and poor moisture stability have significantly hindered the progress of inorganic perovskite solar cells (IPSCs). Here, we report a dual-protection strategy via incorporating monomer trimethylolpropane triacrylate (TMTA) into CsPbI2Br bulk capping surface with 2-thiophenemethylammonium iodide (Th−NI) to ameliorate above issues. Benefiting from growth control effective suppression both recombination, resulting devices show great improved efficiency...
CsPbI3 perovskite solar cells (PSCs) have revealed promising applications for high-performance photovoltaic devices. Despite the high efficiency regular PSCs, poor stability adverse dopants reflects importance of inverted. However, inverted lag far a phase transition and inferior films. Here, we report an effective post-treatment agent, methylammonium pyridine-2-carboxylic (MAPyA), to heal stabilize MAPyA on can decompose into methylamine (MA) gas pyridine-2-carboxylate (PyA–) at 100 °C, MA...
All-inorganic CsPbI2Br perovskite solar cell with an inverted architecture of indium-tin oxide/poly[3-(4-carboxylbutyl)thiophene]/CsPbI2Br/(6,6)-phenyl-C61-butyric acid methyl ester/C60/bathocuproine/Ag was fabricated. Together the incorporation nickel iodide, crystallinity and film morphology were promoted. Also, suppressed trap-state density in accomplished due to passivation effect. Consequently, enhanced champion efficiency 13.88% VOC 1.141 V, JSC 16.02 mA/cm2, fill factor 75.96%...
PFDT-COOH and PFDT-2F-COOH were developed as dopant-free hole transporting materials for inverted PSCs. The device obtained a high PCE of 21.68% due to the fluorination effect.
Humidity-assisted chlorination with solid protection via 1,2-bis(chlorodimethylsilyl)ethane (Si–Cl) incorporation is demonstrated as an effective strategy to address water erosion for efficient air-fabricated inverted CsPbI3 perovskite solar cells (PSCs). Si–Cl molecules can rapidly react reduce moisture during deposition in air. In addition, the hydrolysis production of hydrogen chloride (HCl) chlorinate while spontaneous polymerization 1,2-bis(hydroxydimethylsilyl)ethane (Si–OH) builds a...
Abstract All‐inorganic perovskite cesium lead triiodide (CsPbI 3 ) with inorganic nature, low‐temperature synthesis, and a suitable bandgap is desirable for high‐performance photovoltaics. However, the scalable production of CsPbI photovoltaics still challenging due to large nucleation energy barrier slow phase transition during unassisted natural crystallization. Here, crystallization dynamics thin films tailored via acetate (PbAc 2 substitution in precursor ink, allowing fabrication...
Unassisted solar water splitting by multijunction tandem photoelectrodes is a sustainable approach to generating green hydrogen fuels. Here, we report on the fabrication of monolithically integrated all-perovskite photocathodes for efficient unassisted splitting. All-perovskite wired an iridium oxide anode deliver high photovoltage more than 2 V with operating photocurrent density 12.5 mA cm–2 at zero applied bias under simulated AM1.5G 1 sun illumination, yielding solar-to-hydrogen (STH)...
Highlights A simple and multifunctional surface treatment strategy is proposed to address the inferior-performance inverted CsPbI 2 Br perovskite solar cells (PSCs). The induced-ions exchange can align energy levels, passivate both GBs surface, gift solid protection from external erosions. PSCs reveal a champion efficiency of 15.92% superior stability after moisture, operational, thermal ages. Abstract Developing high-efficiency stable vitally urgent for their unique advantages removing...
Highly efficient and stable mixed halide perovskite (MAPbI<sub>3–x</sub>Cl<italic>x</italic>) solar cells are fabricated with the incorporation of chloroformamidinium chloride (Cl-FACl).
Attenuated tactile sensation may occur on people who have skin trauma or prolonged glove usage. Such decreased cause patients to become less responsive minute deformations and consequently fail regulate their limbs properly. To mitigate such health conditions, an integrated enhancement system that exceeds the human skin's sensitivity is indispensable for regain touch of deformations. Here, we develop a visually aided precise motion control by combining ultrathin, highly sensitive,...
Abstract Inverted triiodine cesium lead (CsPbI 3 ) perovskite solar cells (PSCs) are promising in photovoltaics owing to their ideal light absorption, non‐volatile active layer, and avoidance of fragile Spiro‐OmeTAD, especially as the top cell tandem devices. However, they still exhibit far‐lagging efficiency, must be processed a strictly controlled environment due water‐fearing CsPbI . Here, novel strategy convert harmful water erosions into an situ stabilizer for efficient inverted PSCs...
Abstract Electronic skin (e‐skin) is a wearable smart terminal that senses changes of external environment like human skin. It will develop into an indispensable way interaction between humanity and technology. Here, this bimodal e‐skin bending strain pressure using all‐inkjet‐printing method synthesized. based on microcracked metal film sandwich capacitor structure. characterized by the sensor as bottom electrode sensor; plate device plays dual role. When tested, do not interfere with each...