Results 71 to 80 of about 41,190 (263)

The passivation mechanism of Fe in the acidic AlCl3-EMIC ionic liquid

Green Energy & Environment, 2017
The passivation behavior of Fe in the acidic AlCl3-1-ethyl-3-methyl-imidazolium chloride (AlCl3-EMIC) ionic liquid was studied by linear sweep voltammetry and chonopotentiometry. Various approaches were used to characterize the composition and morphology
Dongpeng Xue, Yang Yang, Guoping Ling
doaj   +1 more source

Real‐Time, Label‐Free Monitoring of Cell Behavior on a Bioelectronic Scaffold

Advanced Functional Materials, EarlyView.
A bioelectronic nanofibrous scaffold is introduced that supports cell growth while enabling real‐time, label‐free monitoring of cellular behavior through impedance measurements. The system correlates electrical signals with cell viability and surface coverage, offering an integrated platform for studying dynamic biological processes and advancing next ...
Dana Cohen‐Gerassi, Offir Loboda, Aakash Jog, Or Messer, Dor Aaron Goldstein, Tomer Reuveni, Moran Aviv, Amit Sitt, Yosi Shacham‐Diamand, Maxim Sokol, Lihi Adler‐Abramovich   +10 more
wiley   +1 more source

Caracterização por XPS de filmes passivos formados sobre aços de baixa liga em meio de bicarbonato XPS characterization of passive films formed on mild steels in bicarbonate medium

Química Nova, 2005
Passive films formed in bicarbonate solutions on carbon steel, chromium steel and high speed steel have been characterized by XPS. The passive films formed on chromium and high speed steels showed superior protective properties than those formed on ...
Valéria Almeida Alves, Christopher Michael Ashton Brett, Maria de Fátima Montemor   +2 more
doaj   +1 more source

Zwitterionic Self‐Assembled Monolayer for Simultaneous Noise Suppression and Hole Extraction in High‐Performance Near‐Infrared Organic Photodetectors

Advanced Functional Materials, EarlyView.
This study presents a new hole transporting material (HTM) mechanism for self‐assembled monolayers in near‐infrared organic photodetectors. The formation of zwitterions induces a strong electric field that significantly increases the work function of HTM‐coated indium tin oxide substrates. The devices exhibit low dark current and noise, along with high
Jiyoung Shin, Gyeong Min Lee, Juyeon Shin, Jaewoong Kim, Tae Hyuk Kim, Do Yeon Kim, Myeong In Kim, Kyeounghak Kim, Jae Won Shim, In Hwan Jung   +9 more
wiley   +1 more source

General Corrosion and Passive Film Stability [PDF]

, 2005
We have studied Alloy 22 corrosion and passive film stability in nitrogen-purged Na-K-Cl-NO{sub 3} brines having NO{sub 3}:Cl ratios of 7.4 at 160 C and NO{sub 3}:Cl ratios of 0.5 and 7.4 at 220 C in autoclave experiments under a slight pressure. The experiments were done to show the effect of high nitrate brines on the durability of the Alloy 22 outer
Dixit, S, Roberts, S, Evans, K, Wolery, T, Carroll, S   +4 more
openaire   +2 more sources

Silver Ion‐Mediated [hk1]‐Oriented Sb2Se3 Crystal Growth for Efficient Photoelectrochemical Hydrogen Evolution

Advanced Functional Materials, EarlyView.
Ag+‐mediated hydrothermal crystal engineering promotes preferential [hk1]‐oriented growth of Sb2Se3 via an ultrathin MoOx interlayer, improving crystallinity and suppressing non‐radiative recombination. The optimized Ag+ treatment photocathode delivers 24.7 mA cm−2 at 0 VRHE and improved stability, revealing an ion‐modulated route to high‐performance ...
Ziying Zhang, Zhenbin Wang, Mirjana Dimitrievska, Miloš Baljozović, Yongping Gan, Pardis Adams, Sanghyun Bae, Thomas Moehl, Wenzhe Niu, Xiang jiu Guan, S. David Tilley   +10 more
wiley   +1 more source

Effect of Nb contents on the passivation behavior of high-strength anti-seismic rebar in concrete environments

npj Materials Degradation
In this study, the surface analysis, cross-section analysis and electrochemical analysis were used to explore the formation mechanism of Nb contents on the passive film of high-strength anti-seismic rebar in simulated concrete pore solution.
Zeyun Zeng, Shangjun Gu, Jie Wang, Fulong Wei, Xiang Xie, Zhiying Li, Hui Yang, Changrong Li   +7 more
doaj   +1 more source

Suppression of Photo‐Mediated Traps in Integrated Organic Photovoltaic–Photodetector Devices via N‐Type Self‐Assembly‐Driven Interfacial Engineering

Advanced Functional Materials, EarlyView.
Conventional unstable electron transport layers (ETLs) limit self‐powered organic sensors. This work resolves this by developing a n‐type self‐assembled monolayer (SAM), “3‐PAPh”. This SAM forms a chemically stable and structurally ordered interface that fundamentally suppresses defect formation.
Ohhyun Kwon, Jae Hoon Son, Tae Hyuk Kim, Gyeong Min Lee, Seunghyun Oh, Gayoung Ham, Min Jong Lee, Sang Heon Lee, Seon Joong Kim, Hyojung Cha, Han Young Woo, Jae Won Shim   +11 more
wiley   +1 more source

Aberration-corrected TEM study on the influence of HCO3−/ CO32− concentration and Cl− on FeCr15Ni15Mo2 alloy in alkaline solutions

Journal of Materials Research and Technology
Carbonation of concrete pore solution results in a drop of pH value and introduction of HCO3−/CO32−. The drop of pH has been identified as an important factor in causing general corrosion by destabilizing passive films on stainless steels.
Y.T. Xu, B. Zhang, X.X. Wei, Z.Y. Chen, X.L. Li, X.L. Ma   +5 more
doaj   +1 more source

Digital Actuation Control of Soft Robotic Origami With Self‐Folding Liquid Crystal Elastomer Hinges

Advanced Functional Materials, EarlyView.
Self‐folding soft‐rigid hybrid robotic origami is enabled by liquid crystal elastomer actuators with embedded Joule heating and closed‐loop digital control. Digitally addressable hinges provide reversible and programmable transitions between distinct folded states while maintaining actuation performance at high cycle counts (over 1500).
David C. Bershadsky, Tuo Zhao, Glaucio H. Paulino, Emily C. Davidson   +3 more
wiley   +1 more source