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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
ReS2/MoSe2 Van der Waals Heterostructure Photodetectors for Polarization Imaging and Polarization-Encoded Optical Communication
Two dimensional (2D) materials with anisotropic optoelectronic properties provide a feasible solution for polarization photodetectors, however, it is challenging to achieve simultaneous high responsivity, fast photorespo…
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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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Tunable orbital thermoelectric transport with spin-valley coupling in a monolayer of ferromagnetic transition metal dichalcogenides
The valley transport of electrons can carry not only charge but also spin angular momentum and orbital angular momentum (OAM). However, investigations on thermoelectric transport of OAM manipulated by valley degrees of f…
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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
A review of hafnium-based ferroelectrics for advanced computing
In the era of data-centric computing, the quantity of data is expected to increase exponentially. The physical separation of memory and processing units in traditional computers results in a considerable amount of unnece…
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Multifunctional metasurface coding for visible vortex beam generation, deflection and focusing
Vortex beams, as beams carrying orbital angular momentum (OAM), exhibit unique donut-shaped intensity distributions and helical wavefronts. They are widely applied in fields such as optical communication, nanoparticle ma…
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Multifunctional metasurface coding for visible vortex beam generation, deflection and focusing
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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Thermogalvanic hydrogel with controllable ion confined transportation and its application for self-powered lactic acid sensor
Thermogalvanic hydrogels can convert low-grade thermal energy into electricity, but controlling ion transport remains challenging for stable and sensitive sensing. Here, a thermogalvanic hydrogel with controllable ion-co…
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