2D Materials

Two-dimensional van der Waals high-speed photodetectors enhanced by surface and interface engineering
Surface and interface engineering are effective methods for tailoring the properties of two-dimensional (2D) van der Waals (vdW) materials. These techniques enable fine-tuning of critical factors that dictate photoelectr…
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Efficient energy transfer in a hybrid organic-inorganic van der Waals heterostructure
Two-dimensional (2D) materials offer strong light-matter interaction and design flexibility beyond bulk semiconductors, but an intrinsic limit is the low absorption imposed by the atomic thickness. A long-sought-after go…
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Efficient energy transfer in a hybrid organic-inorganic van der Waals heterostructure
Dielectric metasurface enhanced performance in multilayer WS2 photodetector
Two-dimensional transition metal dichalcogenides such as WS2 are promising for high-performance photodetectors, but their atomically thin geometry limits optical absorption. Here, we integrate multilayer WS2 with dielect…
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Graphene/h-BN/ReS2 Heterostructure Operating in Fowler−Nordheim Tunneling Regime for Polarization-Sensitive Fast Photodetector
On-chip polarization photodetectors are crucial for advancing optical communication, which is facing the challenges of limited polarization sensitivity and hard on-chip integration. 2D materials offer unique opportunitie…
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Graphene/h-BN/ReS2 Heterostructure Operating in Fowler−Nordheim Tunneling Regime for Polarization-Sensitive Fast Photodetector
Enhanced performance and long-term stability of 2D photodetectors through hexagonal boron nitride encapsulation
Two-dimensional (2D) semiconductor materials, such as molybdenum disulfide (MoS2), demonstrate considerable potential for optoelectronic applications, largely due to their atomic thickness, tunable bandgap, and capacity …
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High Speed Photodetector Based on 2D Organic/Inorganic Hybrid Van Der Waals Heterostructure Devices
2D van der Waals (vdWs) heterostructure photodetectors have captured significant interest for their ability to achieve substantial optical conductivity gain and device tunability. However, the light absorption in ultrath…
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High Speed Photodetector Based on 2D Organic/Inorganic Hybrid Van Der Waals Heterostructure Devices
Hot-carrier engineering for two-dimensional integrated infrared optoelectronics
Plasmonic hot carrier engineering holds great promise for advanced infrared optoelectronic devices. The process of hot carrier transfer has the potential to surpass the spectral limitations of semiconductors, enabling de…
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Hot-carrier engineering for two-dimensional integrated infrared optoelectronics