Vacuum-sublimed inorganic cesium lead halide perovskite thin films are prepared and integrated in all-vacuum-deposited solar cells. Special care is taken to determine the stoichiometric balance of sublimation precursors, which has great influence on device performance. The mixed devices exhibit exceptional stabilized power conversion efficiency (11.8%) promising thermal long-term stabilities. As a service our authors readers, this journal provides supporting information supplied by authors....

The optical constants of a CH₃NH₃PbI_3−xCl_xperovskite thin film were acquired for the first time.

The use of photovoltaic cells with an organometallic perovskite as the active layer for indoor dim‐light energy harvesting is evaluated. By designing electron‐transporting materials and fabrication processes, traps in layers carrier dynamics can be controlled, efficient devices are demonstrated. best‐performing small‐area photovoltaics exhibit a promising high power conversion efficiency up to ≈27.4%, no hysteresis behavior, exceptionally low maximum point voltage variation ≈0.1 V under...

All-vacuum-deposited perovskite solar cells produced by controlling reagent partial pressure in high vacuum with newly developed multi-layer electron and hole transporting structures show outstanding power conversion efficiency of 17.6% smooth, pinhole-free, micrometer-sized crystal grains.

Electronic device versions of the neural functions human retina have high potential for use in artificial vision. This study demonstrates halide perovskite photoreceptors with specific photoresponses to red, green, and blue colors, which are consistent retinal photoreceiving cones rods. In contrast current programmable spectral-response technologies, a novel microcavity structure is combined this absorber achieve targeted spectrum without using external optical filters. The fabricated...

Abstract In March and April, 2009, an outbreak of H1N1 influenza in Mexico had led to hundreds confirmed cases the death toll risen 160. The worldwide spread has been attracting global attention arising overwhelming fear. So far, vaccine remedy urgent need. this study, a QSAR model pharmacophore map neuramini- dase (NA) type 1 (N1) contained two hydrogen bond acceptor features, one donor feature, positive ionizable feature. NCI database was employed virtual screen by N1 features. After...

Inorganic-organic hybrid perovskite solar cells (PSCs) are promising devices for providing future clean energy because of their low cost, ease fabrication, and high efficiencies, similar to those silicon cells. These materials have been investigated potential use in bifacial PSCs, which can absorb light from both sides the electrodes. Here, we fabricated PSCs featuring transparent BCP/Ag/MoO3 rear electrodes, formed through low-temperature processing using thermal evaporation methods. We...

A sensitive and fast ultraviolet (UV) photodetector is strongly desirable because of its wide range applications in chemical/biological sensing imaging. CsPbCl3-based thin film photodetectors have not been constructed previously owing to their extremely poor precursor solubility; however, vapor deposition allows for fabrication without the limitation solubility. Therefore, this work first demonstrate optoelectronic properties inorganic CsPbCl3 perovskite films UV photodiodes using all-vacuum...

Highly sensitive X-ray detection is crucial in, for example, medical imaging and secure inspection. Halide perovskite detectors are promising candidates detecting highly energetic radiation. In this report, we describe vacuum-deposited Cs-based possessing a p-i-n architecture. Because of the built-in potential structure, these were capable efficient charge collection displayed an exceptionally high sensitivity (1.2 C Gyair-1 cm-3) under self-powered, zero-bias conditions. We ascribe...

The performance of vacuum-deposited organometal halide perovskite devices under low-intensity illumination was investigated. Both small- and large-area exhibited high power conversion efficiencies up to 30.1% 24.9%, respectively, with excellent long-term stabilities more than one year.

Abstract Highly photoluminescent, lead‐free perovskites are of interest for displays and solid‐state light‐emitting devices. In this report, streak camera‐based time‐resolved emission transient absorption spanning visible to deep‐ultraviolet (UV) wavelengths utilized study self‐trapped free exciton dynamics in vacuum‐deposited cesium copper halide thin films CsCu 2 I 3 Cs Cu 5 . Self‐trapped exhibits more noticeable changes with time the peak position width than UV‐to‐blue is detectable both...

In this study, a computer-generated holography based on the three-dimensional (3-D) modified Gerchberg–Saxton algorithm (MGSA) for phase retrieval is proposed and demonstrated in panoramic projection system. The point-based Fresnel transform utilized MGSA to retrieve phase-only hologram (CGPOH) of 3-D object considering different viewing angles object. CGPOH capable projections can be determined using rotation matrices illuminating light sources at corresponding angles. Computer simulations...

The development of artificial synapses is inspired by the energy‐efficient recognition ability central nervous system living organisms and proposed for use as basic building units next‐generation neuromorphic computing networks. Herein, perovskite/MoO 3 /Ag synaptic device exhibits very uniform electrical characteristics, a low operation voltage, linear repeatable analog switching. Important functions such paired‐pulse facilitation (PPF) short‐ long‐term potentiation (STP/LTP) are all...

In the published publication [...]

In the published publication [...]

Abstract Augmented reality head‐up display (AR‐HUD) systems utilizing computer‐generated hologram technology have emerged as a focal point of optical innovation. Traditional often rely on arrays projectors or multiple spatial light modulators (SLMs) for multidepth projection; thus, these are typically complex and expensive. To address challenges, the present study developed miniaturized AR‐HUD system that integrates an advanced driver assistance (ADAS) with holographic technology. By...

After the analog ECG signal is transferred into digital format, filter can be used to suppress 60 Hz embedded noise. In this paper, we propose use of finite impulse response filters with a linear phase property obtain noise reduction without introducing distortion. our design, notch pole/zero canceling method, comb method and equiripple usage Parks-McClellan algorithm. By comparison transition bandwidth (/spl Delta//spl omega/), stopband attenuation gain (Astop) these filters, learn...

In this letter, we study the formation and electrical properties of Ni-GaSb alloys by direct reaction Ni with GaSb. It is found that several Ni-antimonide alloys, including low thermal budget processing (300°C), Schottky barrier height for holes (~0.1 eV), sheet resistance Ni-InGaSb (53 Ω/\square), specific contact resistivity (7.6×10) <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">-7</sup> Ω cm...

We propose an angle multiplexing method for optics-based image encryption using a phase-only computer-generated hologram (POCGH) in the tilted Fresnel transform (TFrT) domain. Modified Gerchberg-Saxton algorithms, based on three types of rotation manipulation both and reconstruction planes, are used with their corresponding TFrT parameters to extract functions (POFs) target images. All extracted POFs then phase-modulated summed obtain final POCGH, which is capable avoiding overlap...

We report the characterization and analyses of organic light-emitting devices (OLEDs) using microstructured composite transparent electrodes consisting high-index ITO (indium tin oxide) micromesh low-index conducting polymerPSS [poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)], that are fabricated by facile convenient microsphere lithography useful for enhancing light extraction. The rigorous electromagnetic simulation based on three-dimensional finite-difference time-domain (FDTD)...