A5101749510- Perovskite Materials and Applications
- Conducting polymers and applications
- Chalcogenide Semiconductor Thin Films
- Physics of Superconductivity and Magnetism
- Magnetic and transport properties of perovskites and related materials
- Space Satellite Systems and Control
- Advanced Image Fusion Techniques
- Shape Memory Alloy Transformations
- Quantum Dots Synthesis And Properties
- Infrared Target Detection Methodologies
- Magnetic properties of thin films
- Quantum and electron transport phenomena
- Advanced MEMS and NEMS Technologies
- CCD and CMOS Imaging Sensors
- 2D Materials and Applications
- Cognitive Radio Networks and Spectrum Sensing
- Evaluation and Optimization Models
- Remote-Sensing Image Classification
- Ocular and Laser Science Research
- Power Line Communications and Noise
- Power Line Inspection Robots
- Nanomaterials and Printing Technologies
- Optical measurement and interference techniques
- Meteorological Phenomena and Simulations
- Nuclear Engineering Thermal-Hydraulics
Harbin Institute of Technology
2020-2025
North China Electric Power University
2020-2025
North China University of Technology
2025
Central South University
2024
Shandong Institute of Metrology
2024
Chinese Academy of Sciences
2022-2024
University of Science and Technology Liaoning
2024
University of Science and Technology of China
2022-2024
China Aerodynamics Research and Development Center
2023
Universidad del Noreste
2023
Semitransparent perovskite solar cells (ST‐PSCs) for building‐integrated photovoltaics (BIPV) face the challenge of achieving high efficiency due to significant light loss. The SnO2 electron transport layer (ETL), utilized in n‐i‐p PSCs and prepared via sol‐gel method, is susceptible aggregation on substrate, resulting scattering that diminishes absorption layer. In this study, we propose a strategy combines atomic deposition (ALD) solution deposit bilayer structure address these issues....
Abstract The discovery of colossal barocaloric effects in organic plastic crystals has significantly advanced the development solid‐state refrigerant techniques. Adapting to real application, a tradeoff various performances be achieved. Here, it is reported novel crystal system, that is, carboranes (C 2 B 10 H 12 ), including three positional isomers: ortho‐ carborane, meta ‐carborane, and para which are characterized by C 2v , D 5d point groups, respectively. They all undergo an...
We demonstrate that a square lattice of artificial pinning centers in superconducting Nb film induces the formation highly ordered interstitial vortex phases with different symmetries for external magnetic fields as high eighth matching field. These ``supermatching'' are identified by distinct differences behavior their critical currents, magnetoresistivity, and magnetization. Our results consistent predictions supermatching recent numerical simulations.
Active tracking of space noncooperative object that merely relies on vision camera is greatly significant for autonomous rendezvous and debris removal. Considering its Partial Observable Markov Decision Process (POMDP) property, this letter proposes a novel deep recurrent neural network architecture, named as attention module based active visual (RAMAVT), incorporating Multi-Head Attention (MHA) Squeeze-and-Excitation (SE) layer remarkably improve the representative ability with almost no...
Commensurability effects between the superconducting flux-line lattice and a square (period $d=1\ensuremath{\mu}\mathrm{m}$) of submicron holes (diameter $D=0.4\ensuremath{\mu}\mathrm{m}$) in 1500 \AA{} vanadium films were studied by atomic-force microscopy, dc magnetization, ac susceptibility, magnetoresistivity, $I\ensuremath{-}V$ measurements. Peaks susceptibility critical current at matching fields are found to depend nonlinearly upon value external field or current, as well inferred...
Abstract Quasi‐2D perovskites have attracted much attention in perovskite photovoltaics due to their excellent stability. However, photoelectric conversion efficiency (PCE) still lags 3D counterparts, particularly with high short‐circuit current ( J SC ) loss. The quantum confinement effect is pointed out be the sole reason, which introduces widened bandgap and poor exciton dissociation, undermines light capture charge transport. Here, gradient incorporation of formamidinium (FA) cations...
Solid-state refrigeration based on the barocaloric effect is an effective alternative to traditional vapor compression refrigeration. Here 1-dodecanol has been studied due its large latent heat at a solid-liquid phase transition point around room temperature. The temperature will vary with applied hydrostatic pressure, exhibiting sensitivity of 0.14 K MPa
Abstract Bifacial perovskite solar cells (PSCs) possess a dual light‐absorbing structure, which enables higher power output at lower additional costs. However, the replacement of metal electrodes with transparent ones leads to serious light loss, necessitating thicker layer compensate for this drawback. In study, impact different rubidium halide (RbCl, RbBr, and RbI) additives is systematically investigated on precursor solubility quality micron‐sized thick films prepared using two‐step...
Mixed‐halide perovskites with wide‐bandgap (WBG) have been widely applied for tandem solar cells. Nevertheless, WBG perovskite cells (PSCs) easily suffer from photo‐induced phase segregation, deteriorating their device efficiency and stability. It is a desirable way that the suppression of segregation strain relaxation in mixed‐halide films. Herein, p‐toluene sulfonate (p‐TS) can effectively release residual films by occupying empty orbitals uncoordinated Pb 2+ halide ion vacancies, as well...
The cognitive radio technology allows secondary user (SU) to share the licensed spectrum by adapting its transmission power in a sensing-based sharing manner. Reliable prediction and channel selection could alleviate processing delays enhance utilization. In this paper, we propose new strategy for using online machine learning techniques, which consists of three stages: 1) SU utilizes techniques regression received transmit on different licenced frequency bands; 2) predicts probability each...
摘要: 模态局部化现象由诺贝尔奖获得者ANDERSON于1958年发现,对理解在紊乱固体中的电子传递过程具有重大意义,是固态物理领域的重要发现。近些年,模态局部化现象开始应用于传感器设计。模态局部化传感器以不同谐振器之间的幅值比作为输出量纲,实现了超高灵敏度的测量。揭示了振幅比与振动系统结构之间的关系,解释了如何提高模态局部化传感器的灵敏度。并通过典型的模态局部化传感器设计案例,给出了模态局部化传感器的设计规则。
Due to the interference of outer space environment, real image data non-cooperative targets collected by a single sensor often has problems such as low contrast and insufficient color information display. In this paper, we propose an fusion method with iterative wavelet transform, which utilizes respective advantages visible near-infrared improve clarity target retain information. The dataset in paper comes from satellite model group taken ourselves. different shooting angles resolutions,...
The relative attitude estimation between chasers and uncooperative targets is an important prerequisite for executing in orbit service (OOS) tasks. Only by efficiently obtaining pose parameters can design close-range rendezvous trajectories close to targets. focus of this article on active systems, such as TOF cameras or LIDAR. This paper proposes scheme obtain utilizes LIDAR three-dimensional point clouds non-cooperative targets, extracts key points simplifies the number through joint...
The phase segregation of wide-bandgap perovskite is detrimental to a device's performance. We find that Sodium Benzenesulfonate (SBS) can improve the interface passivation PTAA, thus addressing poor wettability issue poly[bis(4-phenyl)(2,4,6-trimethylphenyl)amine](PTAA). This improvement helps mitigate defects caused by contact between and reducing non-radiative recombination. Additionally, enhanced improves crystallinity perovskite, leading higher-quality films. By synergistically...
Due to the adverse illumination in space, non-cooperative object perception based on multi-source image fusion is crucial for on-orbit maintenance and orbital debris removal. In this paper, we first propose a dual-branch multi-scale feature extraction encoder combining transformer block Inception extract global local features of visible infrared images establish high-dimensional semantic connections. Secondly, different from traditional artificial design Fusion strategy, Feature Module...
In this paper, a speckle microinterferometric system was employed to study the thermal deformation of Cu microbridges with different dimensions. The deflections caused by loading were measured real-time and surface temperatures bridges recorded using digital thermometer. evaluation after buckling also our testing system. Then, experimental results compared finite element analysis (FEA).
The atomic dynamic behaviors of formamidinium lead iodide [HC(NH2)2PbI3] are critical for understanding and improving photovoltaic performances. However, they remain unclear. Here, we investigate the structural phase transitions reorientation dynamics cation [HC(NH2)2+, FA+] FAPbI3 using neutron scattering techniques. Two occur with decreasing temperature, from cubic to tetragonal at 285 K then another 140 K, accompanied by gradually frozen FA cations. nearly isotropic in is suppressed...