Results 1 to 10 of about 11,707,174 (304)

Efficient Quasi-2D Perovskite Light-Emitting Diodes Enabled by Regulating Phase Distribution with a Fluorinated Organic Cation. [PDF]

Nanomaterials (Basel), 2022
Metal halide perovskites have become a research highlight in the optoelectronic field due to their excellent properties. The perovskite light-emitting diodes (PeLEDs) have achieved great improvement in performance in recent years, and the construction of
Ye Z, Xia J, Zhang D, Duan X, Xing Z, Jin G, Cai Y, Xing G, Chen J, Ma D.   +9 more
europepmc   +2 more sources

Phase Statistics of Light/Photonic Wave Reflected from One-Dimensional Optical Disordered Media and Its Effects on Light Transport Properties

Photonics, 2021
Light wave reflection intensity from optical disordered media is associated with its phase, and the phase statistics influence the reflection statistics.
Prabhakar Pradhan
doaj   +1 more source

Influence of a synthesis method of hologram projectors and phase distribution in the object plane on the quality of the reconstructed image [PDF]

Компьютерная оптика, 2020
The paper presents results of research into the influence of the hologram synthesis method, as well as the phase distribution in the object plane used to describe the object wave, on the quality of the reconstructed image. Using numerical experiments, we
Sergey Koreshev, Denis Smorodinov, Sergey Starovoitov   +2 more
doaj   +1 more source

Increased Azimuth Resolution by Extrapolating the Antenna Array Aperture Function by Least Squares Linear Prediction Estimation Using Autoregressive Model Coefficients

Известия высших учебных заведений России: Радиоэлектроника, 2022
Introduction. Short-wave stations for detecting airborne objects of the ionospheric type have a number of limited technical characteristics, one of which is their low azimuth resolution.
V. V. Vladimirov
doaj   +1 more source

Effects of Al-Mg on the Microstructure and Phase Distribution of Zn-Al-Mg Coatings

Metals, 2022
In this work, the composition of the zinc–aluminum–magnesium alloy coating was designed to have a fixed aluminum–magnesium ratio of 1:1, while the content of aluminum and magnesium elements increases gradually within the range of 1–2 wt.%.
Ziyue Zhang, Jie Zhang, Xingyuan Zhao, Xuequn Cheng, Sheming Jiang, Qifu Zhang   +5 more
doaj   +1 more source

Investigation of the S-Shaped Current–Voltage Curve in High Open-Circuit Voltage Ruddlesden–Popper Perovskite Solar Cells

Frontiers in Energy Research, 2021
We report our investigation on the S-shaped current–voltage characteristics in a hot-casting–processed (BA)2 (MA)3Pb4I13 Ruddlesden–Popper (RP) perovskite solar cell.
Hong Zhong, Renlai Zhou, Xiaoqing Wu, Xiaoyun Lin, Ya Wang, Qian Li, Hang Zhou   +6 more
doaj   +1 more source

Achieving Efficient Light‐Emitting Diodes by Controlling Phase Distribution of Quasi‐2D Perovskites

Advanced Electronic Materials, 2023
Quasi‐2D perovskite light‐emitting diodes (PeLEDs) are promising candidates to realize superior luminescent. However, the poorly controlled phase distribution and surface defects hinder the improvement of the device's performance.
Kaiyu Yang, Jinliang Mao, Jinping Zheng, Yongshen Yu, Baolin Xu, Qingkai Zhang, Xukeng Weng, Qiuxiang Lin, Tailiang Guo, Fushan Li   +9 more
doaj   +1 more source

Experimental Study on the Transition Characteristics and Criterion From Wall-Peak to Core-Peak Phase Distribution in Vertical Rod Bundles

Frontiers in Energy Research, 2021
Aiming at understanding the phase distribution characteristics and developing the transition criterion from wall-peak to core-peak phase distribution in a rod bundle channel, air–water two-phase flow experiments were conducted in 5 × 5 rod bundles in the
Quan-yao Ren, Zengping Pu, Ping Chen, Liang-ming Pan, Fawen Zhu, Meiyin Zheng, Haoyu Wang, Lie Wei, Hui He   +8 more
doaj   +1 more source

Effect of α Phase on Dynamic Mechanical Properties and Failure of Ti-4Al-5Mo-5V-5Cr-1Nb Alloy after Two-Stage Aging

Metals, 2022
This work studied the high strain rate behavior of the Ti-4Al-5Mo-5V-5Cr-1Nb (Ti-45551) alloy after two-stage aging, with dynamic tension tests conducted using the split Hopkinson tensile bar. The results show that the microstructure, especially the size
Tao Wang, Xianghong Liu, Yong Feng, Kaixuan Wang, Shangqing Sun, Dong Yang, Feng Sun   +6 more
doaj   +1 more source

Effect of Phase Distribution on the Antibacterial Property and Cytotoxicity of Ti-5Al-2.5Cu Alloy after Heat Treatment at Various Temperatures

Metals, 2020
Titanium alloys are widely employed for the fabrication of biomedical devices. In this study, we designed and developed a Ti-5Al-2.5Cu alloy, which exhibited antibacterial properties.
Yen-Hao Chang, Chih-Yeh Chao, Yuan-Ting Chang, Je-Kang Du   +3 more
doaj   +1 more source