1. Department of Chemistry, Lomonosov Moscow State University, Moscow, 119991, Russia
2. Department of Physics, Lomonosov Moscow State University, Moscow, 119991, Russia
3. Laboratory of Terahertz Spectroscopy, Center for Photonics and 2D Materials, Moscow Institute of Physics and Technology, Dolgoprudny, 171701, Russia
4. Department of Materials Science, Shenzhen MSU-BIT University, Shenzhen, 518172, China