4 papers
High-speed and high-gain graphene photovoltaic phototransistor gated by a van der Waals heterojunction
Yihan Yin, Jiayi Zhang, Xiaolong Zhang +5
Two-dimensional (2D) material-based phototransistors offer a unique combination of optical sensing, signal amplification, and logic operation within a single device, yet fundamenta…
Angle-dependent resonant tunneling and thermoelectric energy management in a hybrid 1D-2D-1D semiconductor nanostructure
Xiaoguang Luo, Jiaming Wang, Jiawen Dai +2
Low-dimensional semiconductors have been widely exploited in thermoelectric energy conversion for high efficiencies due to their suppressed lattice thermal conduction, sharply defi…
Approaching the robust linearity in dual-floating van der Waals photodiode
Jinpeng Xu, Xiaoguang Luo, Xi Lin +9
Two-dimensional (2D) material photodetectors have gained great attention as potential elements for optoelectronic applications. However, the linearity of the photoresponse is often…
Self-powered programmable van der Waals photodetectors with nonvolatile semi-floating gate
Fan Liu, Xi Lin, Yuting Yan +3
Tunable photovoltaic photodetectors are of significant relevance in the fields of programmable and neuromorphic optoelectronics. However, their widespread adoption is hindered by i…