Owing to its advantages of solution processing, lightweight, low cost, and mechanical flexibility, organic photodetectors (OPDs) have attracted great interest become a new member the photodetector (PD) family. Currently, OPDs made considerable progress can be compared with traditional PDs in some aspects. They present potential applications portable wearable devices. However, there are still issues that need overcome, is much room for development. Herein, significant advances summarized...

Organic photodetectors (OPDs), which usually work as photodiodes, photoconductors, or phototransistors, have emerged candidates for next-generation light sensing. However, low response speed caused by carrier mobility and resistance-capacitance (RC) time constant, severely hinders the commercialization of OPDs. Herein, authors demonstrate a state-of-the-art OPD with record 146.8 ns employing tandem structure to simultaneously reduce both transit RC constant device, is faster than that...

Wrist rehabilitation is needed to help post-stroke and post-surgery patients recover from wrist fracture or injury. Traditional training conducted by a therapist in hospital, which hinders timely treatment due the corresponding time space constraints. This paper presents design implementation of soft parallel robot for automated rehabilitation. The presented integrates advantages both structures. Unlike traditional rigid-body based robots, this exhibits compact structure, highly secure,...

Hydrogen transfer from nitroamino to nitroimino promotes density, energy and safety of energetic materials suggesting excellent application prospects in designing next generation high density materials.

Lightweight metastructures are designed consisting of prismatic tensegrity building blocks which have excellent strength-to-weight ratio and also enable unique compression-torsion coupling. A theoretical model with a coupled axial-torsional stiffness is first developed to study the band structures proposed lightweight metastructures. Then, various unit cell designs investigated for bandgap generations at desired frequency ranges. Broadband full-wave attenuation found in metastructure special...

Thermal stability is one of the most significant properties for safety energetic materials, finding a stable skeleton with suitable groups always primary test. In this work, an unusual aminohydrazone cyclization strategy was used in synthesis new series gem-dinitro 1,2,4-triazolo[4,3-b][1,2,4,5]-tetrazine compounds desirable thermal (≥197 °C). All were fully characterized by infrared (IR), NMR, differential scanning calorimetry, single crystal X-ray diffraction, and elemental analysis. The...

The catalytic hydrogenation of petroleum resin (PR) is an efficient process to produce high-value-added hydrogenated PR with improved performance and wide applications. Herein, a hierarchical flower-like NiCu/SiO2 bimetallic catalyst has been successfully prepared by reducing the hierarchically structured NiCu silicate precursor ((Ni,Cu)3Si2O5(OH)4) applied for hydrogenation. generated alloy nanoparticles are anchored on surface intercrossed silica nanoplatelets, constructing unique...

The paper will focus on the customer’s perception of AI Influencers and whether they provide A Better User Experience Compared to Human Reliability Trustworthy. aims investigate role influencers in creating trustworthiness reliability consumers, as compared human influencers, terms digital marketing strategies. two objectives study are examine consumer’s influencers. Millennials Generation Z participants research. decision prioritize present research is based their unique traits natives...

The regulation of hydrogen‐bonding networks in molecular switches is critical for adaptive materials. However, most the reported do not are capable modulating energetic materials, limiting their use high‐demand applications such as systems. In this work, first high‐energy nitroamino‐based switch reported. It can control complex hydrogen bonding systems materials by reversible cycling property modulation. Through alkali‐acid stimulation, undergoes dynamic transitions, which reconfigure H‐bond...

To enhance the sum rate of maximizing signal-to-leakage-and-noise ratio (Max-SLNR), a power allocation (PA) scheme that combines noise and interference whitening, singular value decomposition, water-filling algorithms is proposed for Max-SLNR per user as opposed to antenna users. Simulation shows approach produces higher than with equal PA (EPA). It also better in bit error EPA presence shadow fading receiving correlation.

Due to the advantage of hydrogen bond system formed by nitroamino isomerization, calculations transfer in reported explosives, proton transport dynamics was first proposed predict isomerization energetic materials. With calculated results zero-point energy, full-nitroamino fused materials, 2,4-nitroamino-7-nitroimino-1,5-dihydro-4H-imidazolo[4,5-d]pyridazine (FNPI-1) and 2,2',7,7'-tetranitromino-4,4'-azo-imidazolo[4,5-d]pyridazine (FNPI-2) were designed successfully synthesized. The highly...

In recent decades, organic solar cells (OSCs) have drawn increasing interest due to their unique properties such as low cost, solution‐processing, flexibility, semitransparency, and nontoxicity. Due some shortcomings of limited optical absorption in semiconductors well carrier mobility short exciton diffusion length, light‐trapping technologies surface plasmon resonance, photonic crystals, microcavities (MCs) been widely developed improve device performance. Among these methods, the MC...

This paper presents the design and implementation of a dual-arm soft robotic manipulator. It consists two manipulators, which are driven by pneumatic actuators. Each manipulator is composed three modules, each module includes evenly distributed cavities inside. The flexible bending deformation produced regulating air pressure changing applying sequence to cavities. fabrication presented in detail. cooperation implemented adopting visual servo control. Experimental testing was carried out...

Multifarious electron transport layers (ETLs), especially fullerene derivatives, have been applied in organic–inorganic hybrid perovskite (OIHP) devices owing to their superior optoelectronic properties. However, a PCBM Lewis acid molecule can only passivate the iodine-rich defect sites, which cannot solve problem of uncoordinated Pb2+ and water oxygen erosion due high volatility halide I– hydrophilicity organic cation MA+. Herein, we introduce base, TBA-Azo with an electron-donating Azo...

Skeleton modification can expand pathways to tune the comprehensive properties for energetic compounds. In this work, skeleton was applied preparation of a family new nitramine substituted [1,2,4]triazolo[3,4- f ][1,2,4]triazine fused ring

Proprioception and variable stiffness are two trending topics in soft robotics research. The former could endow robots with the ability to perceive environment as well their internal states without need of dedicated sensors, while latter strengthen otherwise excessive compliance, enabling for tasks which require a higher force. Both directions have been extensively reported existing literature, achieving both concurrently was even more challenging. major limiting factor limited due hyper...

Providing imaging during interventional treatments of cardiovascular diseases is challenging. Magnetic Resonance Imaging (MRI) has gained popularity as it radiation-free and returns high resolution soft tissue. However, the clinician limited access to patient, e.g., their femoral artery, within MRI scanner accurately guide manipulate an MR-compatible catheter. At same time, communication will need be maintained with a clinician, located in separate control room, provide most appropriate...

This paper presents the design and implementation of a four-fingered soft robotic manipulator. Each finger is driven by fiber-reinforced actuator. Unlike traditional rigid manipulators, manipulator exhibits advantage high adaptability for grasping objects various shapes. A prototype fabricated experimental testing. Four bending sensors are integrated into to provide deformation feedback. PID feedback control realized regulate grasp force Experimental results demonstrate effectiveness...

This paper presents the design of a new type soft robot for wrist rehabilitation. The adopts six pneumatic fluidic muscles as flexible material-based actuators, which are evenly connected in parallel. length control actuators is realized via regulation air pressure, enables bending handle by internal and external rotation action. A larger angle obtained applying pressure. In addition, stepper motor used to drive overall structure achieve stretching movement wrist. proposed...