Controlled‐Atmosphere Flame Fusion Single‐Crystal Growth of Non‐Noble fcc, hcp, and bcc Metals Using Copper, Cobalt, and Iron

Autor:	K. Liam Varvaris, Fabian M. Schuett, Derek Esau, Timo Jacob, Jonas Björk, Shelly Gelman, Johanna Rosen, Gregory Jerkiewicz
Rok vydání:	2020
Předmět:	Solid-state chemistry Technology Materials science Scanning electron microscope Analytical chemistry chemistry.chemical_element Materialkemi Crystal growth 010402 general chemistry 01 natural sciences Crystals single crystals Catalysis Materials Chemistry Research Articles Fusion Wulff construction 010405 organic chemistry computational chemistry controlled-atmosphere flame fusion crystal growth General Chemistry General Medicine Copper 0104 chemical sciences chemistry Cobalt Single crystal ddc:600 Research Article
Zdroj:	Angewandte Chemie, 132 (32), 13348-13354 Angewandte Chemie (International Ed. in English) Angewandte Chemie / International edition, 59 (32), 13246-13252
ISSN:	1521-3757 0044-8249 0932-2140 1433-7851 1521-3773
DOI:	10.1002/ange.201915389
Popis:	The growth of noble‐metal single crystals via the flame fusion method was developed in the 1980s. Since then, there have been no major advancements to the technique until the recent development of the controlled‐atmosphere flame fusion (CAFF) method to grow non‐noble Ni single crystals. Herein, we demonstrate the generality of this method with the first preparation of fcc Cu as well as the first hcp and bcc single crystals of Co and Fe, respectively. The high quality of the single crystals was verified using scanning electron microscopy and Laue X‐ray backscattering. Based on Wulff constructions, the equilibrium shapes of the single‐crystal particles were studied, confirming the symmetry of the fcc, hcp, and bcc single‐crystal lattices. The low cost of the CAFF method makes all kinds of high‐quality non‐noble single crystals independent of their lattice accessible for use in electrocatalysis, electrochemistry, surface science, and materials science. Grow, little bead: Herein, we state the first growth of Cu, Co, and Fe single crystals prepared using the controlled‐atmosphere flame fusion method. The results demonstrate the transferability and potential of this method, showing that it can be used to grow single crystals of various oxygen‐sensitive metals in an effective and non‐expensive way.
Databáze:	OpenAIRE
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