Mesoporous In2O3/ZnO heterogeneous microtubes replicated from waste willow catkins for high response and rapid detection of NO2 gas at low temperature

Ming-Song Lv, Yanan Li, Guo-Li Chen, Rui Gao, Xian‐Fa Zhang, Zhao‐Peng Deng, Yingming Xu, Li-Hua Huo, Shan Gao, Shan Gao