Method for Synthesizing High-Entropy Alloy (HEA) Nanostructures

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United States of America Patent

APP PUB NO 20240328013A1
SERIAL NO

18617664

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A method for synthesizing high-entropy alloy (HEA) nanostructures, each having a HEA shell uniformly grown on a nanocore, is provided. The method comprises: mixing nanostructure seeds, a plurality of metal precursors, one or more reducing agents and a surfactant in a solvent to form a first mixture; subjecting the first mixture to ultrasonication under an ultrasonication temperature; degassing the first mixture upon heating at a degassing temperature under vacuum with magnetic stirring; purging the first mixture with an inert gas; and keeping the first mixture at a growth temperature for a growth time to form the HEA nanostructures. The provided method is a low-temperature, facile, general, wet-chemical, seeded epitaxial growth method which can synthesize a library of unconventional-phase HEA nanostructures, e.g., 4H-Au@HEA nanowires and 2H/fcc-Au@HEA nanosheets with 5-10 components by using 4H-Au NWs and 2H/fcc-Au NSs as seeds respectively.

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CITY UNIVERSITY OF HONG KONG83 TAT CHEE AVENUE KOWLOON HONG KONG

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  • 2024 Application Filing Year
  • C25B Class
  • 401 Applications Filed
  • 23 Patents Issued To-Date
  • 5.74 % Issued To-Date
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Inventor Name Address # of filed Patents Total Citations
LI, Zijian Hong Kong, HK 16 7
ZHAI, Li Hong Kong, HK 14 10
ZHANG, An Hong Kong, HK 65 211
ZHANG, Hua Hong Kong, HK 534 3218

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