Ultrafast Broadband Photodetectors Based on Three-Dimensional Dirac Semimetal Cd3As2

• Published in: Nano letters Vol. 17; no. 2; pp. 834 - 841
• Main Authors: Wang, Qinsheng, Li, Cai-Zhen, Ge, Shaofeng, Li, Jin-Guang, Lu, Wei, Lai, Jiawei, Liu, Xuefeng, Ma, Junchao, Yu, Da-Peng, Liao, Zhi-Min, Sun, Dong
• Format: Journal Article
• Language: English
• Published: American Chemical Society 08.02.2017
• Subjects: Dirac semimetal; photothermoelectric effect; topological materials; photodetector; ultrafast

Photodetection with extreme performances in terms of ultrafast response time, broad detection wavelength range, and high sensitivity has a wide range of optoelectronic and photonic applications, such as optical communications, interconnects, imaging, and remote sensing. Graphene, a typical two-dimen...