A unique optoelectronic synaptic device has been developed, leveraging the negative photoconductance property of a single-crystal material system called CsCoCl. This device exhibits a simultaneous volatile resistive switching response and sensitivity to optical stimuli, positioning CsCoCl as a promising candidate for optically enhanced neuromorphic applications.
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http://dx.doi.org/10.1038/s41377-024-01722-9 | DOI Listing |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11706956 | PMC |
Carbohydr Polym
March 2025
School of Environmental and Architecture, University of Shanghai for Science and Technology, Shanghai 200093, China. Electronic address:
Carbon dots (CDs) mediated g-CN (CN) is a promising visible-light-driven semiconductor in catalyzing peroxymonosulfate (PMS) for aqueous contaminants remediation. However, the poor dispersibility of powered catalyst and its challenging recyclability impede their broader application. Herein, we embedded FeN bridge within the g-CN framework and immobilized g-CN gel beads (CA/FNCCN) through a 3D cross-linking process with sodium alginate.
View Article and Find Full Text PDFLight Sci Appl
January 2025
Department of Physics, Chalmers University of Technology, 412 96, Gothenburg, Sweden.
Nanostructured dielectric metasurfaces offer unprecedented opportunities to control light-matter momentum exchange, and thereby the forces and torques that light can exert on matter. Here we introduce optical metasurfaces as components of ultracompact untethered microscopic metaspinners capable of efficient light-induced rotation in a liquid environment. Illuminated by weakly focused light, a metaspinner generates torque via photon recoil through the metasurfaces' ability to bend light towards high angles despite their sub-wavelength thickness, thereby creating orbital angular momentum.
View Article and Find Full Text PDFLight Sci Appl
January 2025
School of Photovoltaic and Renewable Energy Engineering, University of New South Wales (UNSW Sydney), Kensington, NSW, Australia.
A unique optoelectronic synaptic device has been developed, leveraging the negative photoconductance property of a single-crystal material system called CsCoCl. This device exhibits a simultaneous volatile resistive switching response and sensitivity to optical stimuli, positioning CsCoCl as a promising candidate for optically enhanced neuromorphic applications.
View Article and Find Full Text PDFNat Commun
December 2024
Department of Physics and Astronomy, Seoul National University, Seoul, 08826, Korea.
Fermi polarons are emerging quasiparticles when a bosonic impurity immersed in a fermionic bath. Depending on the boson-fermion interaction strength, the Fermi-polaron resonances exhibit either attractive or repulsive interactions, which impose further experimental challenges on understanding the subtle light-driven dynamics. Here, we report the light-driven dynamics of attractive and repulsive Fermi polarons in monolayer WSe devices.
View Article and Find Full Text PDFACS Appl Mater Interfaces
January 2025
Department of Applied Chemistry and Institute of Molecular Science, National Yang Ming Chiao Tung University, 1001 Ta-Hseuh Road, Hsinchu 300093, Taiwan.
Three new bithiophene imide (BTI)-based organic small molecules, (), (), and (), with varied alkyl side chains, were developed and employed as self-assembled monolayers (SAMs) applied to NiOx films in tin perovskite solar cells (TPSCs). The NiOx layer has the effect of modifying the hydrophilicity and the surface roughness of ITO for SAM to uniformly deposit on it. The side chains of the SAM molecules play a vital role in the formation of a high-quality perovskite layer in TPSCs.
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