Blar i NTNU Open på forfatter "Luo, Sihai"
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Controlled patterning of metallic nanogaps and nanogap arrays via adhesion lithography
Luo, Sihai (Doctoral theses at NTNU;2021:181, Doctoral thesis, 2021)Existing nanofabrication methods typically rely on techniques such as optical lithography, electron-beam lithography or focused ion beam milling that enable high fidelity patterning but suffer from various limitations in ... -
Detection of environmental nanoplastics via surface-enhanced Raman spectroscopy using high-density, ring-shaped nanogap arrays
Luo, Sihai; Zhang, Junjie; de Mello, John Christian (Peer reviewed; Journal article, 2023)Micro- and nano-plastics (MNPs) are global contaminants of growing concern to the ecosystem and human health. In-the-field detection and identification of environmental micro- and nano-plastics (e-MNPs) is critical for ... -
Electrospun Sandwich-like Structure of PVDF-HFP/Cellulose/PVDF-HFP Membrane for Lithium-Ion Batteries
Zi, Xingfu; Wu, Hongming; Song, Jiling; He, Weidi; Xia, Lu; Guo, Jianbing; Luo, Sihai; Yan, Wei (Peer reviewed; Journal article, 2023)Cellulose membranes have eco-friendly, renewable, and cost-effective features, but they lack satisfactory cycle stability as a sustainable separator for batteries. In this study, a two-step method was employed to prepare ... -
Enabling phase transition of infused lubricant in porous structure for exceptional oil/water separation
Wang, Feng; Luo, Sihai; Xiao, Senbo; Zhang, Wenjing; Zhuo, Yizhi; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2020)The fundamental mechanism behind oil/water separation materials is their surface wettability that allows either oil or water to pass through. The conventional materials for oil/water separation generally have extreme ... -
Fabrication of biodegradable hollow microsphere composites made of polybutylene adipate co-terephthalate/polyvinylpyrrolidone for drug delivery and sustained release
Xie, Chuan; Xiong, Qinqin; Wei, Yuanzhi; Li, Xin; Hu, Jiajun; He, Min; Wei, Shinan; Yu, Jia; Cheng, Sha; Ahmad, Mashaal; Liu, Yufei; Luo, Sihai; Zeng, Xi; Yu, Jie; Luo, Heng (Peer reviewed; Journal article, 2023)Sustained drug release has attracted increasing interest in targeted drug therapy. However, existing methods of drug therapy suffer drug action time, large fluctuations in the effective concentration of the drug, and the ... -
Flexible Transparent Electrodes Formed from Template-Patterned Thin-Film Silver
Luo, Sihai; Lian, Enkui; He, Jiali; de Mello, John Christian (Peer reviewed; Journal article, 2023)Template-patterned, flexible transparent electrodes (TEs) formed from an ultrathin silver film on top of a commercial optical adhesive – Norland Optical Adhesive 63 (NOA63) – are reported. NOA63 is shown to be an effective ... -
Large Area Patterning of Highly Reproducible and Sensitive SERS Sensors Based on 10-nm Annular Gap Arrays
Luo, Sihai; Mancini, Andrea; Lian, Enkui; Xu, Wenqi; Berté, Rodrigo; Li, Yi (Peer reviewed; Journal article, 2022)Applicable surface-enhanced Raman scattering (SERS) active substrates typically require low-cost patterning methodology, high reproducibility, and a high enhancement factor (EF) over a large area. However, the lack of ... -
Massively Parallel Arrays of Size-Controlled Metallic Nanogaps with Gap-Widths Down to the Sub-3-nm Level
Luo, Sihai; Mancini, Andrea; Berte, Rodrigo; Hoff, Bård Helge; Maier, Stefan; De Mello, John Christian (Peer reviewed; Journal article, 2021)Metallic nanogaps (MNGs) are fundamental components of nanoscale photonic and electronic devices. However, the lack of reproducible, high-yield fabrication methods with nanometric control over the gap-size has hindered ... -
Scalable Fabrication of Metallic Nanogaps at the Sub-10 nm Level
Luo, Sihai; Hoff, Bård Helge; Maier, Stefan A.; De Mello, John Christian (Journal article; Peer reviewed, 2021) -
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 ... -
Spontaneous Formation of Nanogap Electrodes by Self‐Peeling Adhesion Lithography
Luo, Sihai; Hoff, Bård Helge; De Mello, John Christian (Journal article; Peer reviewed, 2019)Adhesion lithography (“a‐lith”) is a simple method for forming nanoscale gaps between dissimilar metals. In its usual form, a metal is patterned on a substrate, and conformally coated with an alkyl‐functionalized self‐assembled ... -
Surface Wrinkling with Memory for Programming Adhesion and Wettability
Wang, Feng; Xiao, Senbo; Luo, Sihai; Fu, Yuequn; Skallerud, Bjørn Helge; Kristiansen, Helge; cui, mengkui; zhong, chao; Liu, Siqi; Zhuo, Yizhi; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2023)Modulating surface wrinkling is important for a variety of engineering applications. It has been known for more than two decades that the wavelength of surface wrinkles occurring in a metal film–soft polymer system scales ... -
Thickness Mediated Morphology Evolution in Sub-10-nm Metal Film Deposition: Implications for Non-destructive Testing
Wang, Feng; Fu, Yuequn; Xiao, Senbo; Skallerud, Bjørn Helge; Liu, Siqi; Luo, Sihai; Kristiansen, Helge; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2023)Thickness in sub-10-nm metal film deposition is a seldomly explored parameter that can influence not only the film mechanical properties but also the surface functional characteristics. In this study, we designed bilayer ... -
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 ...