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Carbon black (CB) particles that can absorb from near ultraviolet to infrared rays are well dispersed into an isotropic dielectric liquid and their optical properties can be kept even under exposure to sunlight over a long time. The shutter which controls the position of CB particles by electrophoretic force can be applied to switchable light shutters for windows in buildings and automobiles for the...
Synthesis and coating of multi‐metal oxides (MMOs) and alloys on conductive substrates are indispensable to electrochemical applications, yet demand multiple, resource‐intensive, and time‐consuming processes. Herein, an alternative approach to the synthesis and coating of alloys and MMOs by femtosecond laser direct writing (FsLDW) is reported. A solution‐based precursor ink is deposited and dried...
2D crystals can serve as templates for the realization of new van der Waals (vdW) heterostructures via controlled assembly of low‐dimensional functional components. Among available 2D crystals, black phosphorus (BP) is unique due to its puckered atomic surface topography, which may lead to strong epitaxial phenomena through guided vdW assembly. Here, it is demonstrated that a BP template can induce...
The diamond–graphite hybrid thin film with low‐dimensional nanostructure (e.g., nitrogen‐included ultrananocrystalline diamond (N‐UNCD) or the alike), has been employed in many impactful breakthrough applications. However, the detailed picture behind the bottom–up evolution of such intriguing carbon nanostructure is far from clarified yet. Here, the authors clarify it, through the concerted efforts...
Organic–inorganic hybrid perovskite light‐emitting diodes (PeLEDs) are promising for next‐generation optoelectronic devices due to their potential to achieve high color purity, efficiency, and brightness. Although the external quantum efficiency (EQE) of PeLEDs has recently surpassed 20%, various strategies are being pursued to increase EQE further and reduce the EQE gap compared to other LED technologies...
New options in the material context of transient electronics are essential to create or expand potential applications and to progress in the face of technological challenges. A soft, transparent, and cost‐effective polymer of levan polysaccharide that is capable of complete, programmable dissolution is described when immersed in water and implanted in an animal model. The results include chemical...
Developing highly active and stable cathode catalysts is of pivotal importance for proton exchange membrane fuel cells (PEMFCs). While carbon‐supported nanostructured Pt‐based catalysts have so far been the most active cathode catalysts, their durability and single‐cell performance are yet to be improved. Herein, self‐supported mesostructured Pt‐based bimetallic (Meso‐PtM; M = Ni, Fe, Co, Cu) nanospheres...
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