Results 111 to 120 of about 463,924 (293)

In Situ Constructed Magnetic Core‐Shell Hydrogen‐Bonded Organic Framework‐on‐Metal–Organic Framework Structure: an Efficient Catalyst for Peroxymonosulfate Activation

Advanced Functional Materials, EarlyView.
In this work, a magnetic core‐shell catalyst (HOF‐on‐Fe3O4/ZIF‐67) is successfully synthesized, consisting of a metal–organic framework (ZIF‐67) with magnetic Fe3O4 as the core and a porous hydrogen‐bonded organic framework (HOF) as the shell. The catalyst efficiently activated peroxymonosulfate, resulting in rapid and effective removal of water ...
Yingying Du, Chenhui Ding, Chao Deng, Susanta Banerjee, Seema Agarwal   +4 more
wiley   +1 more source

Vortex Quantum Nucleation and Tunneling in Superconducting Thin Films: Role of Dissipation and Periodic Pinning

, 1996
We investigate the phenomenon of decay of a supercurrent in a superconducting thin film in the absence of an applied magnetic field. The resulting zero-temperature resistance derives from two equally possible mechanisms: 1) quantum tunneling of vortices ...
A. O. Caldeira, A. Schmid, C. Paracchini, F. Guinea, G. Blatter, G. Jug, J. Bardeen, M. Cyrot, M. J. Stephen, M. P. A. Fisher, P. Ao, P. Minnhagen, R. Iengo, R. Iengo   +13 more
core   +1 more source

Bias‐Free Highly Efficient and Stable Dye‐Sensitized Photoelectrochemical Cells via Cascade Charge Transfer

Advanced Functional Materials, EarlyView.
A buried‐junction DSPEC design is introduced that leverages cascade charge transfer to enhance efficiency, stability, and versatility. This approach facilitates effective charge transfer and minimizes recombination losses, leading to significant improvements.
Jun‐Hyeok Park, Kyounglim Kim, Jinyoung Lee, Sarang Kim, Gwangsu Yoon, So Yeon Yoon, Jeong Kyeong Lee, Ji‐Wook Jang, Tae‐Hyuk Kwon   +8 more
wiley   +1 more source

Ideal Molecular Sieving with a Dense MOF for Helium Upgrading with Highly Diffusion Selective Mixed Matrix Membranes

Advanced Functional Materials, EarlyView.
The separation of Helium gas from natural gas is challenging but highly important. MIL‐116(Ga), a “non‐porous” metal–organic framework is used as a molecular sieve to separate He from CH4. Druse‐like MIL‐116(Ga) particles are integrated into polysulfone mixed matrix membranes.
Ayisha Komal, Laura Calderón‐Rodríguez, Oksana Smirnova, Eren Grossmann, Aparna Binu Varghese, Karen Marlenne Garcia Alvarez, Andreas Schneemann, Thomas Hoyer, Ralf Wyrwa, Felix Helmut Schacher, Alexander Knebel   +10 more
wiley   +1 more source

Effect of Soil Contact on the Modulus of Elasticity of Beeswax-Impregnated Wood

BioResources, 2015
The aims of this study were to use beeswax impregnation as a wood preservative method and to evaluate its suitability to protect wood species with low resistance to decay. Poplar (Populus × euramericana cv.
Róbert Németh, Dimitrios Tsalagkas, Miklós Bak   +2 more
doaj   +1 more source

Supra-oscillatory critical temperature dependence of Nb-Ho bilayers

, 2012
We investigate the critical temperature Tc of a thin s-wave superconductor (Nb) proximity coupled to a helical rare earth ferromagnet (Ho). As a function of the Ho layer thickness, we observe multiple oscillations of Tc superimposed on a slow decay, that
Blamire, M. G., Chiodi, F., Halterman, K., Halász, G. B., Qu, L., Robinson, J. W. A., Smits, R. G. J., Valls, O. T., Witt, J. D. S., Wu, C. -T.   +9 more
core   +1 more source

NanoMOF‐Based Multilevel Anti‐Counterfeiting by a Combination of Visible and Invisible Photoluminescence and Conductivity

Advanced Functional Materials, EarlyView.
This study presents novel anti‐counterfeiting tags with multilevel security features that utilize additional disguise features. They combine luminescent nanosized Ln‐MOFs with conductive polymers to multifunctional mixed‐matrix membranes and powder composites. The materials exhibit visible/NIR emission and matrix‐based conductivity even as black bodies.
Moritz Maxeiner, Ruben Maile, Murat Cuvalli, Andreas Wolf, Ayisha Komal, Robert Oestreich, Christoph Janiak, Karl Mandel, Alexander Knebel, Klaus Müller‐Buschbaum   +9 more
wiley   +1 more source

Changes in the chemical structure and decay resistance of heat-treated narrow-leaved ash wood

Maderas: Ciencia y Tecnología
We analyzed the effects of heat treatment on the chemical structure of wood from narrow-leafed Ash (Fraxinus angustifolia), a fast-growing and economically valuable species.
Mesut Yalcin, Halil Ibrahim Sahin
doaj  

Heat treatment of tunisian soft wood species: Effect on the durability, chemical modifications and mechanical properties

Maderas: Ciencia y Tecnología, 2015
Last decades, wood was promoted as building material. Wood heat treatment by mild pyrolysis has been reported to improve biological durability and dimensional stability of the material and constitutes an attractive « non biocidal » alternative to ...
M. Elaieb, K. Candelier, A. Pétrissans, S. Dumarçay, P. Gérardin, M. Pétrissans   +5 more
doaj  

Utilizing Cypress to improve the decay and termite resistance of OSB panels [PDF]

, 2008
OSB panels were manufactured with mixture of pine and cypress heartwood and lignin and tannin based resins in order to propose an eco-friendly wood composite.
Amusant, Nadine, Arnould, Olivier, Baudasse, Christine, Depres, A., Mansouris, Reza Hammid, Pizzi, T.   +5 more
core