p-Phosphonic acid calix[8]arene mediated synthesis of ultra-large, ultra-thin, single-crystal gold nanoplatelets
2019
ZangCurrent address: Department of Electrical Engineering and Computer Science, University of Michigan, 1301 Beal Ave., Ann Arbor, Michigan 48109, USA. Wenzhe | Toster, Jeremiah | Dāsa, Biśvanātha | Gondosiswanto, Richard | Liu, Shiyang | Eggers, Paul K. | Zhao, Chuan | Raston, Colin L. | Chen, Xianjue
Single-crystal Au nanoplatelets, as large as 28 μm in cross section and as thin as 6 nm, are generated by bubbling hydrogen gas into an aqueous solution of HAuCl₄ in the presence of p-phosphonic acid calix[8]arene, which acts as both a catalyst and stabiliser. The use of the ultrathin Au nanoplatelets in oxygen gas sensing has also been established.
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