A method for controlled stoichiometry intercalation of alkali metals in layered metal dichalcogenide crystals期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

A method for controlled stoichiometry intercalation of alkali metals in layered metal dichalcogenide crystals

Affiliation:	1. Center for Electrochemical Science and Engineering, Department of Chemical and Biological Engineering, Illinois Institute of Technology, 10 West 33rd Street, Chicago, IL, USA;2. Toyota Research Institute of North America, 1555 Woodridge Avenue, Ann Arbor, MI 48105, USA

Abstract:	Crystals ofLi_yTiS₂ (0 < y < 1) and2HA_yTaX₂ (A =Li, Na, K; 0 < y < 1; X =S, Se) have been prepared by equilibration of the unintercalated crystals with a source powder of the desired alkali ion stoichiometry via the alkali vapor pressure of the compounds at 400–650°C. Crystals of 1 cm² area were intercalated. The final stoichiometry of the crystals is in good agreement with that expected from the source.

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