Results 61 to 70 of about 9,194 (219)

Structure‐Polarization‐Function Relationship in Oxide Perovskite for Solar‐To‐Fuel Conversion Challenge

EcoEnergy, EarlyView.
Oxide perovskites (ABO3) have emerged as paradigm‐shifting materials for solar energy conversion, uniquely combining ferroelectric polarization, piezoelectric response, and tunable optoelectronic properties. This review comprehensively examines how controlled structural distortions generate built‐in electric fields that overcome ultrafast charge ...
Xu Qian, Xinyu Li, Yihang Yu, Rayees Ahmad Rather, Christophe Colbeau‐Justin, Jingwei Li, Mohamed Nawfal Ghazzal   +6 more
wiley   +1 more source

Enhancement of Photoemission on p-Type GaAs Using Surface Acoustic Waves

Sensors, 2020
We demonstrate that photoemission properties of p-type GaAs can be altered by surface acoustic waves (SAWs) generated on the GaAs surface due to dynamical piezoelectric fields of SAWs.
Boqun Dong, Andrei Afanasev, Rolland Johnson, Mona Zaghloul   +3 more
doaj   +1 more source

Tellurium Electrochemistry: From Mechanistic Analysis in Diverse Electrolytic Media to Advanced Energy Storage Applications

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
As a metalloid with broad prospects in advanced applications, Te has not been fully clarified in terms of its intricate electrochemical behaviors across varied systems. This review systematically integrates fundamental electrochemical mechanisms, reaction kinetics identifications, and device application insights, establishing a comprehensive framework ...
Meng Zhang, Jiguo Tu, R. Vasant Kumar, Libo Chen, Tangkai Wu, Lili Jiang, Shuqiang Jiao   +6 more
wiley   +1 more source

Effects of geometric parameters on photoemission of AlGaN nanowire array photocathode

Materials Research Express, 2022
In recent years, with the continuous development of solar blind ultraviolet photodetectors, III-V compounds are widely used as semiconductor materials. The nanowire array structure has excellent ‘light trapping effect’.
Zhihao Cao, Lei Liu, Feifei Lu
doaj   +1 more source

Doped Ta3N5 Semi‐Transparent Photoanode Enabling Stable Solar Redox Flow Cell Operation

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Synergistic Al:TiO2 underlayer and La doping stabilize semitransparent Ta3N5 photoelectrodes for over 90 h of continuous operation in alkaline solution. The solar redox flow cell demonstrated 12 photocharge–discharge cycles at ∼55% coulombic efficiency using a K4Fe(CN)6|1,5‐DHAQ chemistry. Solar redox flow cells (SRFCs) are photoelectrochemical devices
Filipe Moisés M. Francisco, Débora Ruiz‐Martinez, Rebeca Marcilla, Paula Dias, Adélio Mendes   +4 more
wiley   +1 more source

Photocathode Design in Photo‐Assisted Li‐O2 Batteries: Status and Perspectives

SmartMat
Li‐O2 batteries with an ultrahigh theoretical energy density of up to 3500 W·h/kg have drawn extensive attention as future energy storage technologies. However, large discharge/charge overpotentials (> 1 V) and unsatisfactory cycling performance are the ...
Meng Wang, Ganwen Chen, Zhangliu Tian, Ruiqi Su, Chonglai Jiang, Zejun Sun, Yuan Liu, Wei Chen   +7 more
doaj   +1 more source

d‐Orbital Electron Spin Polarization Field Inhibits Photo‐Generated Carrier Recombination for Panel Photoelectrocatalysis

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A solution‐processable sub‐nanocrystal of metal coordinated conjugated reticular oligomer with spin polarization functionality is employed as an active layer in planar photoelectrochemical water splitting. The rapid recombination of photo‐generated carriers remains a critical challenge limiting the photo‐electrocatalytic water splitting performance in ...
Ruijuan Zhang, Jiaqi Lv, Yue Wang, Xianghao Meng, Yali Yao, Xinying Liu, Shanlin Qiao   +6 more
wiley   +1 more source

Acetylene Semi‐Hydrogenation by Photocatalysis

Angewandte Chemie, Volume 138, Issue 40, 28 September 2026.
Photocatalytic acetylene semi‐hydrogenation is an emerging light‐driven route to polymer‐grade ethylene, offering a mild alternative to energy‐intensive thermocatalysis. By replacing H2 co‐feed with water or other proton sources, these systems can achieve high selectivity under ambient conditions.
Anna Fortunato, Brando Adranno, Sharon Silloni, Marianna Barbieri, Claudia Masia, Francesca Arcudi, Luka Đorđević   +6 more
wiley   +2 more sources

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

In-situ electrochemical fabrication of CuO/Cu2O photocathode for high-performance photo-assisted Mg/seawater battery

Nano Materials Science
Photo-assisted Mg/seawater batteries (PAMSBs) are attractive power source for marine equipment due to the advantage of simultaneous generation of electricity and hydrogen from seawater. Nonetheless, the serious photo-corrosion of photocathodes results in
Huasen Lu, Qisen Jia, Chen Song, Xiaolei Li, Qinghao Quan, Xuejing Cui, Guangbo Liu, Luhua Jiang   +7 more
doaj   +1 more source