Zhenhua Ni

Phonon-Bottleneck-Governed Ultrafast Hot-Carrier Super-Diffusion in Transition Metal Dichalcogenides

Yuwei Zhang, Dongyang Wan, Tao Zhou, Hao Wu et autres

Two-dimensional transition metal dichalcogenides (TMDCs) are promising for low-power optoelectronics, yet their operational speed is widely considered constrained by low room-temperature mobilities and carrier transit delays. Here, by combining on-chip terahertz optoelectronic sampling with thermally evaporated Ohmic contacts, we eliminate external parasitic …

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Van der Waals/MCT heterostructure enabled high-performance uncooled mid-infrared photodetectors via synergistic suppression of dark current and interfacial recombination

Xinlei Zhang, Tao Zhou, Yueying Cui, Ruizhi Li et autres

Abstract Mid-wavelength infrared (MWIR) photodetection is crucial for applications such as night vision, remote sensing, spectral imaging and optical communication, yet its room-temperature operation faces a fundamental challenge of excessive dark current. While high-operating-temperature (HOT) HgCdTe (MCT) devices mitigate this issue through …

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Precisely controlled type-II band alignment for efficient carrier transfer in Ruddlesden–Popper perovskite heterojunctions

Yong Zhang, Zhihao Qu, Yuwei Zhang, Qihua Liu et autres

The performance of two-dimensional Ruddlesden–Popper perovskites (RPPs) is often limited by disordered phase distributions in solution-processed films, which create unpredictable carrier transfer pathways and obscure structure–property relationships. While phase engineering can globally modulate film properties, the nanoscale carrier dynamics governing device performance …

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Flexible Bi 2 Te 3 Photothermoelectric Position‐Sensitive Detector

Ruxia Du, Hang Ju, Miaomiao Wei, Peiyu Zeng et autres

ABSTRACT There is an increasing demand on flexible or wearable position‐sensitive detectors (PSDs) for high‐precision positioning in robots or drones driven by artificial vision. Inherited from conventional materials, e.g., ultrathin Si or multilayer heterojunctions, existing flexible PSDs still suffer from narrow spectral …

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Comprehensive pan‑cancer analysis of the glycolysis‑related gene STC1 and its role in gastric cancer

Xiaotong Li, Yi Zou, Zengyou Xiao, Zean Yang et autres

Cancer remains one of the leading causes of death globally. The enhanced glycolytic activity of tumor cells drives malignant progression, making glycolysis inhibition a promising therapeutic strategy. The glycolysis-associated gene stanniocalcin 1 (STC1) has been shown to influence glycolytic capacity and promote …

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Shearing‐Assisted Interfacial Exfoliation of Graphene Inks for Embodied Intelligence

Mingxin Zhang, Qiang Fu, Yu Du, Tianxiang Zhao et autres

ABSTRACT Unlike conventional printed electronics, embodied intelligence systems impose simultaneous demands on high electrical conductivity, intrinsic deformability, multimodal responsiveness, and scalable manufacturability to enable seamless integration into wearable human‐machine interfaces. Herein, we report a shear‐assisted interfacial exfoliation strategy for the scalable production …

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Intrinsic Hot-Electron Response Enabled Telecom-Band Ultrafast Silicon-Integrated van der Waals Photodetectors

Yueying Cui, Ting Zheng, Yuanfang Yu, Peng Zhang et autres

Abstract Near-infrared photodetection is vital in the fields of optical telecommunications, medical diagnostics, and consumer electronics. However, the bandgap of silicon limits its intrinsic spectral response to wavelengths below approximately 1100 nm, preventing direct detection in these sub-bandgap regions. Integrating silicon with …

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Toward Full‐Color Micro‐LEDs: Monolithic, Heterogeneous, and Quantum Dot Approaches

Yuning Liang, Yizhou Xiao, Boyan Yang, Kehui Wang et autres

ABSTRACT Full‐color Micro‐light‐emitting diode (Micro‐LED) displays are attracting intense interest for next‐generation microdisplays because they offer high brightness, high pixel density, low power consumption, fast response, and long operating lifetime. However, their practical development is still limited by the central challenge of …

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Multiscale Engineered Hydrogels for Adaptive Bioelectronic Interfaces

Xinyu Qu, Hanjun Sun, Yifan Li, Zhenhua Ni et autres

Abstract Bioelectronic technology propels medicine toward active perception and closed-loop therapeutic interventions. However, the fundamental mismatches in mechanics, electricity, and environment between rigid devices and soft tissues limit long-term interfacial stability and signal transduction efficiency. While hydrogels offer an ideal interface bridge …

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Non-Hermitian topology driven by an identity term: An exactly solvable paradigm

Lingfang Li, Yating Wei, Yang Ruan, Gangzhou Wu et autres

An identity term in the Hamiltonian is conventionally regarded as spectrally inert-it shifts energies but does not alter eigenstate topology. We show that under non-Hermitian skin pumping, this paradigm fails: a momentum-dependent identity term actively deforms the generalized Brillouin zone, thereby challenging …

Non-Hermitian topology driven by an identity term: An exactly solvable paradigm

Lingfang Li, Yating Wei, Yang Ruan, Gangzhou Wu et autres

An identity term in the Hamiltonian is conventionally regarded as spectrally inert-it shifts energies but does not alter eigenstate topology. We show that under non-Hermitian skin pumping, this paradigm fails: a momentum-dependent identity term actively deforms the generalized Brillouin zone, thereby challenging …

Large-area two-dimensional MoO3 as a high-κ dielectric for van der Waals integration

Zhenliang Hu, Bei Zhao, Qiang Fu, Huiyan Guan et autres

Abstract Large-area high-quality dielectrics are essential for the integration of two-dimensional (2D) transistors. However, this integration remains challenging, especially for conventional dielectrics that require deposition processes. Adopting van der Waals (vdW) dielectrics is attractive. Molybdenum trioxide (α-MoO 3 ) has been demonstrated …

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