Thermo‐Induced Bathochromic Emission in Columnar Discotic Liquid Crystals Realized by Intramolecular Planarization. - Mu, Bin; Ma, Tianshu; Zhang, Zhelin; Hao, Xiangnan; Wang, Liang; Wang, Jingxia; Yan, Hongxia; Tian, Wei (Chemistry - A European Journal, 2023)