A5061214500- Semiconductor Quantum Structures and Devices
- Perovskite Materials and Applications
- Advanced Semiconductor Detectors and Materials
- Conducting polymers and applications
- Spectroscopy and Laser Applications
- Gas Sensing Nanomaterials and Sensors
- Quantum Dots Synthesis And Properties
- Luminescence and Fluorescent Materials
- Organic Electronics and Photovoltaics
- Photonic and Optical Devices
- Quantum and electron transport phenomena
- Luminescence Properties of Advanced Materials
- Semiconductor materials and devices
- Analytical Chemistry and Sensors
- GaN-based semiconductor devices and materials
- Integrated Circuits and Semiconductor Failure Analysis
- ZnO doping and properties
- Chalcogenide Semiconductor Thin Films
- Advanced Sensor and Energy Harvesting Materials
- Semiconductor Lasers and Optical Devices
- Advanced biosensing and bioanalysis techniques
- Nanocluster Synthesis and Applications
- Transition Metal Oxide Nanomaterials
- Carbon and Quantum Dots Applications
- Advanced Optical Sensing Technologies
Nanjing University of Science and Technology
2016-2025
University of Chinese Academy of Sciences
2021-2025
Changchun University of Science and Technology
2023-2024
Jilin Jianzhu University
2024
Beijing University of Technology
2024
Nanjing University
2024
Henan University
2022-2023
Hong Kong Baptist University
2017-2023
University of California, San Diego
2017-2023
North University of China
2023
Self-powered implantable medical electronic devices that harvest biomechanical energy from cardiac motion, respiratory movement and blood flow are part of a paradigm shift is on the horizon. Here, we demonstrate fully implanted symbiotic pacemaker based an triboelectric nanogenerator, which achieves harvesting storage as well pacing large-animal scale. The successfully corrects sinus arrhythmia prevents deterioration. open circuit voltage nanogenerator reaches up to 65.2 V. harvested each...
Abstract Upconversion detectors monolithically combining a detection unit and light emitting unit, enables visualization in compact structure, promising great advances miniaturized multifunctional optoelectronics. The range of upconversion usually covers broadband spectrum, limiting their use spectroscopic fields. This work investigates two wavelength‐selective made with organic semiconductors to realize narrowband near‐infrared (NIR) dual function. Two non‐fullerene‐based NIR‐sensitive...
Abstract The dissemination of sensors is key to realizing a sustainable, ‘intelligent’ world, where everyday objects and environments are equipped with sensing capabilities advance the sustainability quality our lives—e.g. via smart homes, cities, healthcare, logistics, Industry 4.0, precision agriculture. realization full potential these applications critically depends on availability easy-to-make, low-cost sensor technologies. Sensors based printable electronic materials offer ideal...
Abstract Remarkable progress has been made in the development of high‐efficiency solution‐processable nonfullerene organic solar cells (OSCs). However, effect vertical stratification bulk heterojunction (BHJ) on efficiency and stability OSCs is not fully understood yet. In this work, we report our effort to understand OSCs, with binary blend poly[(2,6‐(4, 8‐bis(5‐(2‐ethylhexyl)thiophen‐2‐yl)‐benzo[1,2‐b:4,5‐b′]dithiophene))‐ alt...
Short-wavelength infrared (SWIR) photodetection and visualization has profound impacts on different applications. In this work, a large-area organic SWIR photodetector (PD) that is sensitive to light over wavelength range from 1000 1600 nm device capable of upconverting visible are developed. The PD, comprising an blend near-infrared polymer nonfullerene n-type small molecule dye, demonstrates excellent capability for real-time heart rate monitoring, offering attractive opportunity portable...
Abstract To achieve high detectivity in infrared detectors, it is critical to reduce the device noise. However, for non-crystalline semiconductors, an essential framework missing understand and predict effects of disorder on dark current. This report presents experimental modeling studies noise current exemplar organic bulk heterojunction photodiodes, with 10 donor–acceptor combinations spanning wavelength between 800 1600 nm. A significant reduction higher were found devices using...
Solution processable near infrared (NIR) photodetectors provide a promising alternative due to their low cost, flexible design, adaptability various fabrications, and large area manufacturability, removing the limitations of traditional wafer-based inorganic semiconductor techniques. High performing NIR offer attractive options for applications in visualizing light, health safety monitoring.
Abstract There remains a critical need for large‐area imaging technologies that operate in the shortwave infrared spectral region. Upconversion imagers combine photo‐sensing and display compact structure are attractive since they avoid costly complex process of pixilation. However, upconversion device research is primarily focused on optical output, while electronic signals from imager remain underutilized. Here, an organic efficient both readouts, extending capability human machine vision...
Abstract Near‐infrared (NIR) to visible light upconversion is of significant importance in many applications, including thermal imaging, bioimaging, night vision, and wellness monitoring. Here, the effort develop a high‐performing NIR saturated green device comprising front solution‐processable organic bulk heterojunction charge generation layer (CGL) an upper CsPbBr 3 perovskite light‐emitting diode (LED) unit reported. The CGL, based on blend NIR‐sensitive donor polymer nonfullerene...
The idea that listeners are able to "glimpse" the target speech in presence of competing noise has been supported by many studies, and is based on assumption glimpse pieces occurring at different times somehow patch them together hear out speech. factors influencing glimpsing not well understood examined present study. Specifically, effects frequency location, spectral width, duration glimpses examined. Stimuli were constructed using an ideal time-frequency (T-F) masking technique ensures...
MoO<sub>3</sub>-induced oxidation in PEDOT:PSS hole contact enables improving its conductivity, work function and process compatibility for application solution-processed transparent QD-LEDs, attaining a maximum luminous efficiency of 1.39 cd A<sup>−1</sup>and transparency >70%.
For atomically thin two-dimensional materials, interfacial effects may dominate the entire response of devices, because most atoms are in interface/surface. Graphene/sapphire has great application electronic devices and semiconductor thin-film growth, but nature this interface is largely unknown. Here we find that sapphire surface a strong interaction with some carbon graphene to form C-O-Al configuration, indicating no longer simple van der Waals interaction. In addition, structural...
Modification of the HTL helps to attain a high built-in potential (<italic>V</italic><sub>0</sub>) across BHJ by suppressing interfacial reaction at HTL/BHJ interface. It is critical retain and steady <italic>V</italic><sub>0</sub> obtain efficient stable nonfullerene OSCs.
Wavelength tunable detectors are essential for capturing spectral information within diverse applications such as those related to object recognition and identification. Here, we present a generalizable design compact dual-band photodetector based on the integration of two back-to-back organic photodiodes that respond visible (400–700 nm) infrared light (700–1,400 nm). The polarity under external bias provides electronic switch between detection modes. Operating at low voltage <1 V, exhibits...
Previous approaches to induce photomultiplication in organic diodes have increased the photosignal but lacked control over reducing background noise. This work presents a new interlayer design based on heterojunction bilayer that concurrently enables and suppresses dark current shortwave infrared detectors improve overall detectivity. The consists of hole-transporting material copper thiocyanate an electron-transporting tin oxide, this combination offers ability block charge injection dark....
Abstract Detection of light in the near‐infrared (NIR) and shortwave infrared (SWIR) spectral range is essential for wide practical applications biometrics, surveillance, machine vision, etc., which organic molecules have gained growing interest as potential sensing materials. In this study, newly synthesized donor–acceptor type copolymers consisting [1,2,5]thiadiazolo[3,4‐g]quinoxaline core unit with phenyl pendant groups acceptor thiophene donor achieving high‐efficiency SWIR...
This decade has seen rapid developments in infrared light sensing and imaging, utilizing innovative materials deliberate structural designs. Organic semiconducting are promising the next-generation applications due to their unique properties including solution processability, tunable optoelectronic property, biocompatibility. Spotlight aims provide a snapshot of recent advances organic detection technology, specifically for wavelengths beyond 1000 nm, focusing on performance enhancements new...
CuInS2 quantum dots (CIS QDs) are considered to be promising alternatives for Cd-based QDs in the fields of biology and medicine. However, high-quality hydrophobic CIS difficult transferred water due their 1-dodecylmercaptan (DDT) ligands. Therefore, fluorescence stability prepared aqueous is not enough meet requirement sensitive detection. Here, as large 13 nm CuInZnS/ZnS with DDT ligands were first synthesized, then, microbeads (QBs) containing thousands successfully fabricated by a...
BaF 2 :Eu 2+/3+ ,Tb 3+ nanofibres with multicolor luminescence and white-light emission are constructed via electrospinning di-crucible fluorination technology.