Z-scheme heterojunctions have emerged as a novel type of environmental and energy photocatalysts owing to their unique charge separation transfer pathways well robust redox capabilities. Herein, this paper reports straightforward technique for fabricating an anisotropic all-solid-state CsPbBr3/Au/g-C3N4 heterojunction, wherein CsPbBr3, g-C3N4, the electron-transfer system (Au) are spatially immobilized. This three-component presented high photocatalytic activity oxidation C-H bonds...

Herein, a lead-free halide perovskite Cs 3 Bi 2 Br 9 combined with TiO was facilely synthesized and applied for photocatalytic selective oxidation of sulfides to sulfoxides high yields good compatibility under mild conditions.

Z-scheme heterostructures have become a novel class of photocatalysts that hold substantial significance in the domains environmental and energy-related applications. This can be attributed to their distinctive charge separation transfer pathways, which endow heterojunctions with robust redox capabilities. In this paper, we report straightforward method for fabricating perovskite-based heterojunction by integrating CsPbBr3 nanocrystals oxygen-doped g-C3N4 (OCN). exhibited high photocatalytic...

Achieving high power conversion efficiency in perovskite solar cells (PSCs) heavily relies on fabricating homogeneous films. However, understanding microscopic-scale properties such as current generation and open-circuit voltage within crystals has been challenging due to difficulties quantifying intragrain behavior. In this study, the local intensity state-of-the-art films mapped by conductive atomic force microscopy reveals a distinct heterogeneity, which exhibits strong anticorrelation...

Improving the transmission and separation efficiency of light carriers is considered an effective method to enhance catalytic performance semiconductor photocatalysis. Herein, we report synthesis application g-C

An improved method of backward ray tracing is proposed according to the theory geometrical optics and thermal radiation heat transfer. The accuracy essentially raised comparing traditional because orders weight factors are taken into account process designed as sequential recurring steps trace calculate different order stray lights. Meanwhile, it needs very small computation forward irrelevant surfaces rays excluded from tracing. effectiveness was verified in analysis for a cryogenic...

Photodetectors are widely employed as fundamental devices in optical communication, automatic control, image sensors, night vision, missile guidance, and many other industrial or military fields. Mixed-cation perovskites have emerged promising optoelectronic materials for application photodetectors due to their superior compositional flexibility photovoltaic performance. However, involves obstacles such phase segregation poor-quality crystallization, which introduce defects perovskite films...

Abstract The thermal transport properties at the interface of diamond and cubic boron nitride (c-BN) heterostructures significantly influence heat dissipation in high-power electronic optoelectronic devices. However, a fundamental understanding various parameters modulating interfacial conductance is still lacking. In this work, we employ non-equilibrium molecular dynamics (NEMD) simulations to systematically investigate effects system size, temperature, defect density on across diamond/c-BN...

Abstract The low intensity of the neutron source for computed tomography (CT) results in a long acquisition time single projection, which causes projection data to contain large amount quantum noise. Quantum noise will degrade quality CT reconstruction images. Therefore, an efficient removal algorithm must be used reconstruction. In this paper, 3D image is proposed by analysing classical processing algorithms and algorithms, employs maximum likelihood expectation maximization reconstruct...

Silicon drift detector with high sensitivity and energy resolution is an advanced which suitable to be used in deep space detection. To study reveal the radiation damage of silicon (SDD) a deep-space environment, will degrade performance, this paper, SDD effects mechanics, including displacement ionization damage, for irradiations different neutrons gammas are investigated using Geant4 simulation. The results indicate recoil atoms distribution generated by uniform, atoms' mainly low region....

A narcissus calculating method for cryogenic infrared imaging systems is proposed in this paper. The accuracy largely improved compared to the traditional paraxial analysis, as ray blocking of optical opertures taken into account and real data are used during calculation. distribution on full focal plane can be obtained via analyzing field by field. Meanwhile, it implemented simply fast sequential tracing utilized rays only pass through three surfaces cold return statistics every...

Abstract Recent micromagnetic simulations have found that particles in the transitional zone between single domain (SD) and vortex (SV) are prone to thermal external magnetic field instabilities could adversely affect accuracy of interpretations paleomagnetic recordings. In this study, we attempt evaluate internal magnetization characteristics these magnetically unstable (MU) influence on observations by simulating behavior 68–104 nm truncated octahedral magnetite using MERRILL modeling...

An efficient and concise method for the synthesis of diverse substituted sulfones was developed with high selectivity. Using n-PrOH as solvent, diaryl are formed even on a gram scale via metal-free coupling from sulfonyl hydrazines symmetrical or unsymmetrical diaryliodonium salts.

Two-dimensional Cs

Neutron tomography is an efficient nondestructive testing technique. As a complement to X-ray computed tomography, it has been widely used in various fields. Due the difficulty of obtaining complete neutron projection data high-radiation environment and high noise characteristics images, difficult reconstruct high-quality image using conventional filtered-back (FBP) algorithm. Therefore, research on sparse-view reconstruction algorithms needed. To improve quality three-dimensional...

To investigate the tactile numerosity judgments and position report by simultaneously presenting, we asked human subjects to answer number location of eight vibrations presented different fingertips on right hand. In task, found that accuracy participants' responses decreased as stimuli activated was increased. And more stimulus presentation, is smaller than correct answer. index finger has higher vibrotactile discrimination other fingers. Moreover, sensitivity distal phalanx part middle phalanx.

In special applications in nuclear reactors and deep space environments, gallium nitride detectors are subject to irradiation by α-particles. Therefore, this work aims explore the mechanism of property change GaN material, which is closely related application semiconductor materials detectors. This study applied molecular dynamics methods displacement damage under α-particle irradiation. A single α-particle-induced cascade collision at two incident energies (0.1 0.5 MeV) multiple injections...

Solar cells incorporating perovskite films with a blend of A-site cations have gained significant attention due to their enhanced stability and high-power conversion efficiencies. However, the relationship between microstructure, electrical properties films, compositions cations, correlation charge carrier dynamics solar remains unknown. In this study, we investigated APbI3 varying (A = Cs, CsFA, CsFAMA) at grain boundaries (GBs) interiors (GIs) using advanced probing microscopies....

Parallel shearing flows significantly affect the structure of magnetic reconnection layer and generate new shock structures such as intermediate (IS) time-dependent IS. The strength waves (such slow shock) can be changed result in switch-off under certain conditions. In this study, we perform numerical simulations one-dimensional resistive magnetohydrodynamic equations by using total variation diminishing algorithm to investigate influence parallel shear flow on effect both asymmetric...

The silicon drift detector (SDD) with high quantum efficiency, energy resolution and time is an advanced single photon counting in the fields of communication, X-ray communication pulsar navigation. In this paper we design optimum SDD structure circular rings linear-type voltage divider, device electric characteristics are simulated using a 3D Sentaurus TCAD computational tool including potential, field, electron concentration, voltage-divider current, leakage current saturation capacitance....