Dual Element Intercalation into 2D Layered Bi2Se3 Nanoribbons

被引:64
作者
Chen, Karen P. [1 ]
Chung, Frank R. [1 ]
Wang, Mengjing [1 ]
Koski, Kristie J. [1 ]
机构
[1] Brown Univ, Dept Chem, Providence, RI 02912 USA
基金
美国国家科学基金会;
关键词
ELECTROCHEMICAL INTERCALATION; CHEMICAL INTERCALATION; TRANSITION-METALS; SYSTEM; SPECTROSCOPY; PERCHLORATE; SURFACE; OXIDES; 3D;
D O I
10.1021/jacs.5b00666
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We demonstrate the intercalation of multiple zero-valent atomic species into two-dimensional (2D) layered Bi2Se3 nanoribbons. Intercalation is performed chemically through a stepwise combination of disproportionation redox reactions, hydrazine reduction, or carbonyl decomposition. Traditional intercalation is electrochemical thus limiting intercalant guests to a single atomic species. We show that multiple zero-valent atoms can be intercalated through this chemical route into the host lattice of a 2D crystal. Intermetallic species exhibit unique structural ordering demonstrated in a variety of superlattice diffraction patterns. We believe this method is general and can be used to achieve a wide variety of new 2D materials previously inaccessible.
引用
收藏
页码:5431 / 5437
页数:7
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