CVD growth of large-area monolayer WS2 film on sapphire through tuning substrate environment and its application for high-sensitive strain sensor oleh Weihuang Yang, Yuanbin Mu, Xiangshuo Chen, Ningjing Jin, Jiahao Song, Jiajun Chen, Linxi Dong, Chaoran Liu, Weipeng Xuan, Changjie Zhou, Chunxiao Cong, Jingzhi Shang, Silin He, Gaofeng Wang, Jing Li