Fig. 3.
Low-temperature tolerance of a MXene hydrogel (25 × 10 × 3 mm3) and b MXene organohydrogel (original size: 25 × 10 × 3 mm3). c Photos showing MXene hydrogel on the 1 and 7 days (original size: diameter of ~ 30 mm, thickness of ~ 3 mm; final size: diameter of ~ 20 mm, thickness of ~ 2.7 mm). d Change of weight ratio of MXene hydrogel during 7 days of storage. e Photos showing MXene organohydrogel on the 1 and 7 days (original size: diameter of ~ 25 mm, thickness of ~ 4 mm; final size: diameter of ~ 20 mm, thickness of ~ 4 mm). f Change of weight ratio of MXene organohydrogel during 7 days of storage