Black phosphorus-based van der Waals heterostructures for mid-infrared light-emission applications

Xinrong Zong, Huamin Hu, Gang Ouyang, Jingwei Wang, Run Shi, Le Zhang, Qingsheng Zeng, Chao Zhu, Shouheng Chen, Chun Cheng, Bing Wang, Han Zhang, Zheng Liu, Wei Huang, Taihong Wang, Lin Wang, Xiaolong Chen