Title: Metal Sulfide Ion Exchangers: High Acid Stability of Na2xMg2y–xSn4–yS8 (NMS) and Topotactic Conversion to 2D Solid Acids with Semiconducting Character
Authors: Michael A. Quintero, Anastasia D. Pournara, Richard Godsel, Zhi Li, Shobhana Panuganti, Xiuquan Zhou, Christopher Wolverton, and Mercouri G. Kanatzidis*
Summary: Very thorough investigation of acid treating a variety of mixed tin sulfide compounds to form their respective solid acids. Good discussion of proton exchange and how it can be identified (FTIR, etc) as well as investigation into different acids effects on protonated structures. No mention of exfoliation but seems like a good background on which to build to exfoliation of some of these materials.
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