34. Jincan Zhang, Yucheng Huang, Zhenjun Tan, Tianran Li, Yichi Zhang, Kaicheng Jia, Li Lin, Luzhao Sun, Xiwen Chen, Zhenzhu Li, Congwei Tan, Jinxia Zhang, Liming Zheng, Yue Wu, Bing Deng, Zhaolong Chen, Zhongfan Liu*, and Hailin Peng*. Low-temperature heteroepitaxy of 2D PbI2/graphene for large-area flexible photodetectors. Adv. Mater. 2018, 30, 1803194.