By using 1,2-propanediol instead of the classic polyol solvent, ethylene glycol, ultra-long silver nanowires are obtained in only 1 h. These nanowires lead to transparent electrodes with a sheet resistance of 5 Ohms per sq at a transparency of 94%, one of the highest figures of merit for nanowire electrodes ever reported.
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http://dx.doi.org/10.1039/d0na00392a | DOI Listing |
Sci Data
October 2024
College of marine Sciences, Ningbo University, Ningbo, China.
Chem Commun (Camb)
August 2024
State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China.
In the preparation of flexible electronic devices, obtaining a transparent conductive electrode with high electrical conductivity, high transparency, and mechanical flexibility is a significant challenge. This study developed a simple method for preparing ultra-long silver nanowires (ul-AgNWs), obtaining high-purity ul-AgNWs with an average length of 317.66 ± 98.
View Article and Find Full Text PDFAdv Sci (Weinh)
January 2024
Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, National Engineering Research Center for Colloidal Materials, School of Chemistry and Chemical Engineering, Shandong University, Ji'nan, 250100, P. R. China.
Atomically precise metal nanoclusters (NCs) emerge as fascinating synthons in self-assembled materials. The self-assembly of metal NCs are highly sensitive to the environment because they have an inorganic-organic hybridized structure and a relatively complicated conformation. Here, it is shown that when confined in crowded colloids, a water-soluble Ag -cored nanocluster (Ag -NC) can self- assemble into ultra-long (up to millimeters) and photoluminescent ribbons with high flexibility.
View Article and Find Full Text PDFNanomaterials (Basel)
December 2022
Departamento de Física de Materiales and Instituto de Ciencia de Materiales Nicolás Cabrera, Universidad Autónoma de Madrid, 28049 Madrid, Spain.
Plasmonic waveguides have been shown to be a promising approach to confine and transport electromagnetic energy beyond the diffraction limit. However, ohmic losses generally prevent their integration at micrometric or millimetric scales. Here, we present a gain-compensated plasmonic waveguide based on the integration of linear chains of Ag nanoparticles on an optically active Nd-doped solid-state gain medium.
View Article and Find Full Text PDFNanoscale Adv
October 2022
Department of Chemistry and Materials Science, Aalto University P.O. Box 16100 FI-00076 Aalto Finland
Ultra-long silver nanowires (AgNWs) with an aspect ratio of >2000 were prepared by the hydrothermal synthesis method. The influence of reaction time (4-32 h), reaction temperature (150-180 °C), polyvinylpyrrolidone (PVP) molecular weight (10 000-1 300 000 g mol), PVP concentration (50-125 mM), glucose concentration (5.6-22.
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