Browsing NTNU Open by Author "Håkonsen, Verner"
Now showing items 1-14 of 14
-
Anti-icing ionogel surfaces: inhibiting ice nucleation, growth and adhesion
Zhuo, Yizhi; Xiao, Senbo; Håkonsen, Verner; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2020)Delaying ice and frost formation is one of the key strategies to mitigate the hazards induced by ice accretion. The current surfaces for delaying ice formation rely on restricting heterogeneous ice nucleation, which fails ... -
Durable low ice adhesion foams modulated by submicron pores
Li, Tong; Zhuo, Yizhi; Håkonsen, Verner; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2019)Ice accretion is a severe challenge for both production and livelihood in cold regions. Previously reported high-performance icephobic surfaces by infusing lubricants are either temporarily icephobic, chemically unstable ... -
Enhancing the mechanical durability of icephobic surfaces by introducing autonomous self-healing function
Zhuo, Yizhi; Håkonsen, Verner; He, Zhiwei; Xiao, Senbo; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2018)Ice accretion presents a severe risk for human safety. Despite great efforts for developing icephobic surfaces (the surface with an ice adhesion strength below 100 kPa) have been devoted, expanding the lifetime of ... -
Epidermal Gland Inspired Self-Repairing Slippery Lubricant-Infused Porous Coatings with Durable Low Ice Adhesion
Li, Tong; Zhuo, Yizhi; Håkonsen, Verner; Rønneberg, Sigrid; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2019)The limited durability of slippery lubricant-infused porous surfaces (SLIPS) restricts their practical applications. Inspired by the epidermal glands of skins, we developed a facile approach to durable SLIPS with gland-like ... -
Focused ion beam milling of self-assembled magnetic superstructures: an approach to fabricate nanoporous materials with tunable porosity
Håkonsen, Verner; Singh, Gurvinder; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2018)Fabricating nanoporous materials with tunable pore sizes while keeping the freedom of materials choice, is an active area of research because of its practical relevance in a wide range of applications. Here, we demonstrate ... -
Magnetically Enhanced Mechanical Stability and Super-Size Effects in Self-Assembled Superstructures of Nanocubes
Håkonsen, Verner; Singh, Gurvinder; Normile, Peter S; De Toro, Jose Angel; Wahlström, Erik; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2019)Artificial materials from the self‐assembly of magnetic nanoparticles exhibit extraordinary collective properties; however, to date, the contribution of nanoscale magnetism to the mechanical properties of this class of ... -
Reconfigurable Mechanical Anisotropy in Self-Assembled Magnetic Superstructures
Håkonsen, Verner; Singh, Gurvinder; De Toro, Jose Angel; Normile, Peter S; Wahlström, Erik; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2021)Enhancement of mechanical properties in self-assembled superstructures of magnetic nanoparticles is a new emerging aspect of their remarkable collective behavior. However, how magnetic interactions modulate mechanical ... -
Self-assembled superstructures of magnetic nanoparticles: advanced nanofabrication and enhanced mechanical properties
Håkonsen, Verner (Doctoral theses at NTNU;2020:271, Doctoral thesis, 2020)Artificial materials composed of self-assembled magnetic nanoparticles (i.e. magnetic superstructures) have attracted immense scientific interest in the past two decades due to their extraordinary collective behavior. An ... -
Self-Assembly of Magnetic Nanoparticles into Superstructures for Magnonics
Håkonsen, Verner (Master thesis, 2015)Magnonics is a young and evolving field with the potential to replace conventional electronics. This field relies on the use of spin waves, or magnons, rather than electrons as the information carrier in logic devices, ... -
Self-deicing Electrolyte Hydrogel Surfaces with Pa-level Ice Adhesion and Durable Anti-freezing/frost Performance
Li, Tong; Ibáñez-Ibáñez, pablo; Håkonsen, Verner; Wu, Jianyang; Xu, Ke; Zhuo, Yizhi; Luo, Sihai; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2020)Despite the remarkable advances in mitigating ice formation and accretion, however, no engineered anti-icing surfaces today can durably prevent frost formation, droplet freezing and ice accretion in an economical and ... -
Simultaneously toughening and stiffening elastomers with octuple hydrogen bonding
Zhuo, Yizhi; Xia, Zhijie; Qi, Yuan; Sumigawa, Takashi; Wu, Jianyang; Sestak, Petr; Lu, Yinan; Håkonsen, Verner; Li, Tong; Wang, Feng; Chen, Wei; Xiao, Senbo; Long, Rong; Kitamura, Takayuki; Li, Liangbin; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2021)Current synthetic elastomers suffer from the well-known trade-off between toughness and stiffness. By a combination of multi-scale experiments and atomistic simulations, we demonstrate a transparent unfilled elastomer with ... -
Ultra-durable Icephobic Coating by Molecular pulley
Zhuo, Yizhi; Li, Tong; Wang, Feng; Håkonsen, Verner; Xiao, Senbo; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2019)Slide-ring crosslinked polydimethylsiloxane (PDMS) is designed and prepared for anti-icing/deicing application. Compared with the covalent crosslinks, the slidable crosslinks enhance the mobility of polymer networks and ... -
Ultra-robust icephobic coatings with high toughness, strong substrate adhesion and self-healing capability
Zhuo, Yizhi; Håkonsen, Verner; Liu, Siqi; Li, Tong; Wang, Feng; Luo, Sihai; Xiao, Senbo; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2022)Enabling surfaces with passive anti-icing properties is an emerging, facile, economical, and energy-saving strategy to mitigate the harm caused by ice accretion. However, the combination of icephobicity and robustness still ... -
Ultrafast self-healing and highly transparent coating with mechanically durable icephobicity
Zhuo, Yizhi; Xiao, Senbo; Håkonsen, Verner; Li, Tong; Wang, Feng; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2019)Excessive ice accretion on infrastructures can lead to severe damage and dysfunction. In the context of combating the build-up of unwanted icing and at the same time maintaining sunlight permeation, for instance on solar ...