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Towards High-Performance Two-Dimensional Black Phosphorus Optoelectronic Devices: the Role of Metal Contacts by Deng, Yexin; Conrad, Nathan J.; Luo, Zhe; Liu, Han; Xu, Xianfan; Ye, Peide D. is a scholarly article available to read on EtoBox.

What is Towards High-Performance Two-Dimensional Black Phosphorus Optoelectronic Devices: the Role of Metal Contacts about?

The metal contacts on 2D black phosphorus field-effect transistor and photodetectors are studied. The metal work functions can significantly impact the Schottky barrier at the metal-semiconductor contact in black phosphorus devices. Higher metal work functions lead to larger output hole currents in p-type transistors, while ambipolar characteristics can be observed with lower work function metals. Photodetectors with record high photoresponsivity (223 mA/W) are demonstrated on black phosphorus through contact-engineering.

Author

Deng, Yexin; Conrad, Nathan J.; Luo, Zhe; Liu, Han; Xu, Xianfan; Ye, Peide D.

Published

2015

Language

EN