Environmentally Stable and Highly Crystalline MXenes for Multispectral Electromagnetic Shielding up to Millimeter Waves. Aamir Iqbal, Jisung Kwon, Tufail Hassan, Sang Woon Park, Won-Hee Lee, Jung-Min Oh,Junpyo Hong, Juyun Lee, Shabbir Madad Naqvi, Ujala Zafar, Seon Joon Kim,Jong Hyuk Park, Myung-Ki Kim,* and Chong Min Koo*. Adv. Funct. Mater. 2025, 35, 2409346