Synthesis of ultrathin face-centered-cubic au@pt and au@pd core-shell nanoplates from hexagonal-close-packed au square sheets

Angewandte Chemie
Zhanxi FanHua Zhang

Abstract

The synthesis of ultrathin face-centered-cubic (fcc) Au@Pt rhombic nanoplates is reported through the epitaxial growth of Pt on hexagonal-close-packed (hcp) Au square sheets (AuSSs). The Pt-layer growth results in a hcp-to-fcc phase transformation of the AuSSs under ambient conditions. Interestingly, the obtained fcc Au@Pt rhombic nanoplates demonstrate a unique (101)f orientation with the same atomic arrangement extending from the Au core to the Pt shell. Importantly, this method can be extended to the epitaxial growth of Pd on hcp AuSSs, resulting in the unprecedented formation of fcc Au@Pd rhombic nanoplates with (101)f orientation. Additionally, a small amount of fcc (100)f -oriented Au@Pt and Au@Pd square nanoplates are obtained with the Au@Pt and Au@Pd rhombic nanoplates, respectively. We believe that these findings will shed new light on the synthesis of novel noble bimetallic nanostructures.

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Citations

Jan 12, 2016·Journal of the American Chemical Society·Zhanxi FanHua Zhang
Nov 10, 2015·Journal of the American Chemical Society·Jingjie GeYadong Li
Aug 20, 2015·Journal of the American Chemical Society·Zhanxi FanHua Zhang
Apr 4, 2018·Chemical Society Reviews·Muhammad Aurang Zeb Gul SialXun Wang
Dec 10, 2015·Chemical Communications : Chem Comm·Wei ZhangLi-Jun Wan
Oct 19, 2017·Chemical Society Reviews·Yuhai DouShi Xue Dou
Dec 8, 2017·Chemical Communications : Chem Comm·Kai HuangHui Wu
Feb 19, 2019·Advanced Materials·Bo YouHong Li
Jan 23, 2016·Angewandte Chemie·Jong Wook HongSang Woo Han
Oct 1, 2019·Advanced Materials·Zhen HeShu-Hong Yu
Aug 24, 2019·Small·Faisal SaleemHua Zhang
Apr 21, 2020·Chemical Society Reviews·Leigang LiXiaoqing Huang
Apr 17, 2018·Advanced Materials·Hongfei ChengHua Zhang
Sep 26, 2020·Accounts of Chemical Research·Shiyao LuHua Zhang
Jun 19, 2018·Chemical Reviews·Renhao DongXinliang Feng

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