Results 131 to 140 of about 2,732,428 (277)

Synergistic‐Induced Perovskite Phase Distribution and Lattice Stabilization for Efficient and Stable Sky‐Blue PeLEDs

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
We have developed a multifunctional buried‐interface engineering strategy using phenethylammonium thiocyanate to regulate quasi‐2D perovskite crystallization and stabilize the lattice. The synergistic effects of SCN− and PEA+ steric confinement promote phase redistribution toward n = 2, suppressing interfacial defects and enabling the production of ...
He Dong, Xiao Qin, Hongyan Chen, Mingrui Lv, Xin Wang, Zhuolin Zhan, Jie Hua, Yuan Chai, Mimi Sun, Jianan Dai, Haipeng Jiang, Jin Wang   +11 more
wiley   +1 more source

In Situ Phase Transition and Cu Doping Synergistically Regulate Perovskite Z‐Scheme Heterojunction for Photocatalytic CO2 Reduction

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A novel in situ synthesis strategy is proposed for fabricating Cu‐CsPbBr3/Cu‐CsPb2Br5 heterojunction materials, with dual optimization of structure and composition expanding the CO2 adsorption/activation area and enhancing intrinsic catalytic activity.
Qiliang Zhu, Jia Sun, Yihua Zhu, Haibo Jiang, Wei Yan, Jianhua Shen   +5 more
wiley   +1 more source

Enhanced Contribution of Biexciton‐Mediated Decay Kinetics in Perovskite Nanocrystals Via Sequential Ultrafast Excitation

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Sequential ultrafast excitation is shown to increase the relative kinetic weighting of biexciton‐mediated decay in CsPbBr3 nanocrystals without increasing the total excitation fluence. By temporally structuring excitation within the exciton lifetime, the early‐time fast decay contribution becomes more pronounced while the fitted fast decay constants ...
Lijie Wang, Renqian Zhou, Malte Oppermann, Xi Zhang, Jianxin Wang, Jun Yin, Osman M. Bakr, Majed Chergui, Omar F. Mohammed   +8 more
wiley   +1 more source

ESPECTRÓMETRO PARA LA DETECCIÓN DE ESTRUCTURA FINA EN ESPECTROSCOPIA DE UMBRAL DE IONIZACIÓN

Anales (Asociación Física Argentina), 2013
Se describe el diseño y construcción de un espectrómetro para la detección de la estructura fina en AEAPS (Auger Electron Appearance Potential Spectroscopy).
J L del Barco, R H Buitrago
doaj  

Lattice‐Strained Cu2O‐Ni/NiO Heterostructure Enables Selective Electrocatalytic C–C Coupling of Alcohols to Cinnamaldehyde in Aqueous Medium

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This study achieved the selective oxidation C–C coupling of PhCH2OH with EtOH to form cinnamaldehyde (CAL) on a designed Cu2O‐Ni/NiO heterojunction catalyst. By employing a salt precipitation strategy to balance the pH and cation concentration, an 86% conversion rate of PhCH2OH and a 67% high selectivity for CAL were realized.
Tian Cheng, Kaizhi Gu, Jiani Liu, Yujing Liu, Jianlong Wei, Zhaoling Ma, Hengyue Xu, Jia Zhang, Hanwen Liu, Yiqiong Zhang, Shuangyin Wang   +10 more
wiley   +1 more source

Enhanced Urea Oxidation Reaction by Mn‐Doped Nickel Hydroxide From Wastewater

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Mn incorporation modifies the hydroxide structure and modulates the electronic properties of the Ni centers, promoting the formation of catalytically active NiOOH species. Mn dopants induce a favorable electronic effect but do not directly participate in the UOR mechanism, enhancing the overall urea oxidation rate and resulting in increased hydrogen ...
Filippo Bano, Da Chen, Daniele Perilli, Samuele Zambonin, Dario Mosconi, Marco Roverso, Veronica Celorrio, Cristiana Di Valentin, Laura Calvillo   +8 more
wiley   +1 more source

Cobalt Single‐Atom Sites Engineered in Poly(Heptazine Imide) Photocathodes as Benchmark for Alkaline Hydrogen Evolution: A Comparative Transition Metal Study

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Cobalt single‐atoms in poly(heptazine imide) photocathodes maximize active‐site availability and outperform Fe, Cu, and Na in alkaline hydrogen evolution. Atomic precision (not bulk loading) proves predominance, establishing a design principle for the next generation of solar fuel devices.
Izadora F. Reis, Gabriel A. A. Diab, Sachin Nenaniya, Marcos A. R. da Silva, Rayse M. Ferreira, Heer Shah, Geraldo M. G. da Silva, Andreas Hutzler, Mark Isaacs, Christian W. Lopes, Ivo F. Teixeira, Pablo Jiménez‐Calvo   +11 more
wiley   +1 more source

Three‐Dimensionally Interconnected Silver Nanowire Membrane for Efficient and Selective Electroreduction of Carbon Dioxide to Carbon Monoxide

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A self‐supported 3D interconnected Ag nanowire membrane (3D‐ICAg) is fabricated via confined electrodeposition and serves as a binder‐free electrocatalyst for CO2RR, achieving a maximum FECO of 97.28% and a high current density of 59.06 mA cm−2 due to the abundant exposed active sites, efficient electron transport pathways, and rapid mass transfer ...
Pengxiang Wang, Lei Wang, Haibin Tang, Ao Wang, Dongran Wang, He Liu, Chenyu Cai, Fangming Han, Guowen Meng   +8 more
wiley   +1 more source

Effective attenuation lengths for quantitative determination of surface composition by Auger-electron spectroscopy and X-ray photoelectron spectroscopy. [PDF]

J Electron Spectros Relat Phenomena, 2017
Jablonski A, Powell CJ.
europepmc   +1 more source

2D MXene‐Enabled Unidirectional Flexible Optoelectronic Memristor Toward Energy‐Efficient Neuromorphic Photosensing

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A transparent and flexible ITO/ZnO/TiO2/MXene optoelectronic memristor is developed via low‐temperature solution processing, exhibiting intrinsic self‐rectification and analog synaptic plasticity. The device enables wavelength‐selective photosynaptic response and multimodal learning behaviors, demonstrating strong potential for neuromorphic ...
Shoaib Anwer, Muhammad Umair Khan, Nada AbuHamra, Waqas Waheed, Mahmoud Al‐Qutayri, Baker Mohammad   +5 more
wiley   +1 more source