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On-Demand Sintering of Gold Nanoparticles via Controlled Removal of o-Nitrobenzyl Thiol Ligands Under Record-Low Power for Conductive Patterns.
Adv Sci (Weinh)
January 2025
Centre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham, NG7 2RD, UK.
Metal nanoparticles-based nanoinks have shown potential for fabricating metallic components essential to the realization of innovative 3D-printed electronic devices. However, fabricating metallic patterns on flexible, heat-sensitive substrates remains challenging due to high temperature and high energy sources, such as intense pulsed light (IPL), involved in the sintering process. Here an efficient sintering method is presented using ultralow power UV by leveraging the photocleavable ligand, o-nitrobenzyl thiol (NT), - functionalized gold nanoparticles (AuNPs).
View Article and Find Full Text PDFLight-Emitting Diodes Based on Metal Halide Perovskite and Perovskite Related Nanocrystals.
Adv Mater
January 2025
Nanochemistry, Istituto Italiano di Tecnologia, Via Morego 30, Genova, 16163, Italy.
Light-emitting diodes (LEDs) based on halide perovskite nanocrystals have attracted extensive attention due to their considerable luminescence efficiency, wide color gamut, high color purity, and facile material synthesis. Since the first demonstration of LEDs based on MAPbBr nanocrystals was reported in 2014, the community has witnessed a rapid development in their performances. In this review, a historical perspective of the development of LEDs based on halide perovskite nanocrystals is provided and then a comprehensive survey of current strategies for high-efficiency lead-based perovskite nanocrystals LEDs, including synthesis optimization, ion doping/alloying, and shell coating is presented.
View Article and Find Full Text PDFSpray-Assisted Fabrication of Cellulose Photonic Pigments on Superhydrophobic Surfaces.
Adv Mater
January 2025
Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK.
Photonic pigments, especially those based on naturally-derived building blocks like cellulose nanocrystals (CNCs), are emerging as a promising sustainable alternative to absorption-based colorants. However, the proposed manufacturing methods for CNC pigments, via either grinding films or emulsion-based production, usually require several processing steps. This limits their commercialization by increasing the costs, timescales, and environmental impacts of production.
View Article and Find Full Text PDFMicroNIR spectroscopy with chemometric analysis provides rapid protein content evaluation and prediction of semi-refined flaxseed protein extract produced via pulsed electric field (PEF)-assisted extraction.
Food Chem
January 2025
Department of Food Science, University of Otago, Dunedin 9016, New Zealand; Riddet Institute, Private Bag 11 222, Palmerston North 4442, New Zealand.
Near-infrared (NIR) spectroscopy with chemometrics was used to evaluate semi-refined flaxseed protein extract (SRFPE) and predict its protein content. The effect of extraction medium (water vs. alkaline) employed after pulsed electric field (PEF) treatment on protein yield was also studied.
View Article and Find Full Text PDFProximity-Induced Superconductivity in Ferromagnetic FeGeTe and Josephson Tunneling through a van der Waals Heterojunction.
ACS Nano
January 2025
International Center for Quantum Design of Functional Materials (ICQD), Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei 230026, China.
Synergy between superconductivity and ferromagnetism may offer great opportunities in nondissipative spintronics and topological quantum computing. Yet at the microscopic level, the exchange splitting of the electronic states responsible for ferromagnetism is inherently incompatible with the spin-singlet nature of conventional superconducting Cooper pairs. Here, we exploit the recently discovered van der Waals ferromagnets as enabling platforms with marvelous controllability to unravel the myth between ferromagnetism and superconductivity.
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