Water-soluble nickel and iron salts for hydroxymethylfurfural (HMF) and water oxidation: the simplest precatalysts?

T Kahlstorf, JN Hausmann, I Mondal, K Laun… - Green …, 2023 - pubs.rsc.org
Electrochemical production of large-scale chemicals and fuels is critical to reaching carbon
neutrality. However, the required anodic oxidation reactions, namely the oxygen evolution …

[HTML][HTML] Electrochemical partial reduction of Ni (OH) 2 to Ni (OH) 2/Ni via coupled oxidation of an interfacing NiAl intermetallic compound for robust hydrogen evolution

YH Yun, K Kim, C Lee, BS An, JH Kwon, S Lee… - Journal of Energy …, 2023 - Elsevier
Ni-based porous electrocatalysts have been widely used in the hydrogen evolution reaction
(HER) in alkaline water electrolysis, and the catalysts are produced by selective leaching of …

Fabrication of the flower-like NiCo2O4@ Ni (OH) 2/NiOOH composites supported on nickel foam by the green solvent dimethyl sulfoxide with high performance in …

S Wang, P Yang, X Sun, L Feng, C Jin, M Ren… - Journal of Physics and …, 2021 - Elsevier
Because of their low synthesis cost, large specific surface area, and good energy storage
performance, microporous metal-based composites have been widely used in …

Visualization of bubble nucleation and growth confined in 2D flakes

Z Zhang, J Qiang, S Wang, M Xu, M Gan, Z Rao, T Tian… - Small, 2021 - Wiley Online Library
The nucleation and growth of bubbles within a solid matrix is a ubiquitous phenomenon that
affects many natural and synthetic processes. However, such a bubbling process is almost …

Multistep nucleation visualized during solid-state crystallization

Z Zhang, Y Tang, Y Ying, J Guo, M Gan, Y Jiang… - Materials …, 2022 - pubs.rsc.org
Mechanisms of nucleation have been debated for more than a century, despite successes of
classical nucleation theory. The nucleation process has been recently argued as involving a …

Self-actuating origamis realized by independently printable and controllable stimuli-responsive creases

R Wu, KW Kwan, W Ma, P Wang, AHW Ngan - Applied Materials Today, 2020 - Elsevier
Flexible origami structures can mimic the complicated motions of small creatures that are
otherwise difficult to be achieved by rigid robots with limited degree of motion freedom …

Novel Stimuli‐Responsive Turbostratic Oxides/Hydroxides for Material‐Driven Robots

KW Kwan, R Wu, W Ma… - Advanced Intelligent …, 2021 - Wiley Online Library
Herein, a novel class of high‐performing actuating oxides/hydroxides with turbostratic crystal
structures is reviewed. These materials, including nickel hydroxide/oxyhydroxide, cobalt …

Visible-light-driven, nickel-doped cobalt oxides/hydroxides actuators with high stability

KW Kwan, AHW Ngan - ACS applied materials & interfaces, 2020 - ACS Publications
Material-based, light-driven actuators have been a recent research focus for the
development of untethered, miniaturized devices and microrobots. Recently introduced …

Mechanism of Actuation in Nickel Hydroxide/Oxyhydroxide Photoactuators

JHL Hadden, M Bouchet, G Morgan… - Advanced Materials …, 2021 - Wiley Online Library
Understanding novel actuating materials which respond to a variety of stimuli is key in the
development of micro/nanoscale robotics. In this work, the mechanism of actuation in nickel …