Narrow Gap Semiconducting Germanium Allotrope from the Oxidation of a Layered Zintl Phase in Ionic Liquids Tang, Zhongjia ; Litvinchuk, Alexander P. ; Gooch, Melissa ; Guloy, Arnold M. Abstract Publication: Journal of the American Chemical Society Pub Date: June 2018 DOI: 10.1021/jacs.8b03503 Bibcode: 2018JAChS.140.6785T