Results 181 to 190 of about 57,883 (262)

Accurate Sizing and Resolution of Nominal 200 nm Diameter Polystyrene Nanospheres With Charge Detection Mass Spectrometry

open access: yesSmall, EarlyView.
This study highlights the utility of charge detection mass spectrometry (CDMS) as a high‐throughput nanoparticle characterization tool. CDMS measurements of 200 nm polystyrene size standards are within 1% of those derived from transmission electron microscopy (TEM). Notably, a mixture of three ∼200 nm samples is readily resolved by CDMS but not by TEM,
Veena S. Avadhani   +2 more
wiley   +1 more source

Interfacial Regulation–Driven Dual‐Enrichment SERS Coupled With Deep Learning Enable Ultrasensitive and In Situ Identification of Microplastics in Natural Waters

open access: yesSmall, EarlyView.
A membrane‐confined SERS platform constructs a dense network of vertical hotspots using PSS‐Na‐modified Au@Ag nanocubes for sensitive and reproducible microplastic detection in complex environmental water matrices. Coupled with an attention‐based 1D‐CNN, it enables accurate polymer identification and semi‐quantitative mixture prediction for intelligent
Chaochao Ma   +9 more
wiley   +1 more source

Optoelectronics of Single Mixed Dislocations in Van Der Waals Core‐Shell Nanowires

open access: yesSmall, EarlyView.
Ge1‐xSnxS van der Waals core‐shell nanowires can host single helical dislocations whose character is tunable from a pure screw to a majority edge dislocation via the core‐shell lattice mismatch. Cathodoluminescence shows profound effects once an edge component is introduced, notably a lowering of the spontaneous emission quantum efficiency due to the ...
Eli Sutter, Peter Sutter
wiley   +1 more source

Porous Organic Polymers: From Molecular Design to Scalable Technologies

open access: yesSmall, EarlyView.
This review introduces porous organic polymers (POPs) for a wide range of applications, including energy storage, gas adsorption, catalysts, adsorbents, biomedical applications, sensors, and other exciting fields, and critically analyzes the synthesis and modification, and how structural topology influences the composites' architecture of POPs, along ...
Hossein Mashhadimoslem   +12 more
wiley   +1 more source

Concurrent tunable structural color, luminescence, and afterglow in single ZnS: X@SiO2 spheres via SiO2‐nanoarmor and calcination decoupling collaborative strategy

open access: yesSmart Molecules, EarlyView.
For the first time, tunable structural color, luminescence, and afterglow are integrated into single ZnS:X@SiO2 spheres via a SiO2‐nanoarmor and calcination decoupling strategy, achieving 250–410 nm monodisperse wurtzite spheres with 91% phase conversion, 12.8% PLQY, and 12.27 s afterglow. Abstract The integration of structural color, photoluminescence,
Tianyi Liu   +3 more
wiley   +1 more source

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