Huaipeng Wang

Spatial Information Inference with Programmable 2D Retinomorphic Devices Enabling Dynamic Trace Perception Inspired by Bee Waggle‐dance Communication

Mingjie Li, Yingtao Ding, Shizhe Zhao, Huaipeng Wang et autres

Abstract Biological visual systems exhibit exceptional capabilities in spatiotemporal information processing, offering a compelling paradigm for advancing artificial intelligence perception. Current machine vision systems face fundamental limitations in data handling efficiency, which may be addressed by emerging retina‐inspired neuromorphic hardware, namely retinomorphic …

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Performance optimization strategies for black phosphorus infrared photodetectors: A review

LU Weiyuan, Tianhong Wang, Shuyuan Yang, Huaipeng Wang et autres

Infrared photodetectors play an essential role in diverse military and civilian applications. Nevertheless, traditional infrared detection materials often suffer from inherent limitations, such as fixed bandgaps and stringent low-temperature operational requirements. The emergence of two-dimensional (2D) materials has revolutionized infrared detection technology, …

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Near-Infrared Light-Driven Efficient Tumor Elimination via Strong Oxidative Photogenerated Holes in Donor–Acceptor Supramolecular Porphyrin

Wenting Li, Jianfang Jing, Ziyu Wei, Jingyi Xu et autres

High Resolution Image Download MS PowerPoint Slide Efficient photocatalytic tumor therapy relies on deep tissue penetration via near-infrared (NIR) light absorption and potent oxidative stress induced by efficient photogenerated hole (h + ) migration. Herein, we report a supramolecular donor–acceptor (D–A) structure …

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Room Temperature and Humidity Resistant NH3 Detection Based on a Composite of Hydrophobic CNTs with Sulfur Nanosheets

Xiaoni Cui, Huaipeng Wang, Xinglei Wang, Yuchen Tang et autres

A composite of sulfur nanosheets (S-NSs) with hydrophobic carbon nanotubes (H-CNTs) was designed, and a chemiresistive gas sensor based on this composite material was constructed for breath analysis of NH 3 detection at room temperature. Taking advantage of the capillary condensation of …

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Boosting Thermal Generation in Cation-Exchanged Transparent MXene Composite Films with Hierarchical Wrinkled Structure

Siteng Li, Zhifang Liu, Xingling Pan, Huaipeng Wang et autres

Efficient thermal generation from solar/electric energy in transparent films remains challenging due to the limited toolbox of high-performance thermal generation materials and methods for microstructure engineering. Here, we proposed a two-step strategy to introduce hierarchical wrinkles to the MXene composite films with …

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Moiré Ferroelectricity in Twisted Multilayer SnSe2

Yutong Ran, Ziao Lu, Huaipeng Wang, Yunpeng Ma et autres

Moiré structures have gained attention for their ability to regulate material properties and drive phenomena such as superconductivity, topological effects, and the quantum Hall effect. This tunability also extends to Moiré ferroelectricity, which is essential for high‐performance, multistate electronic devices. However, most …

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Foundamentals of Low-Resistive Indium-Violet Phosphorene Top Contact: An Ab-Initio NEGF Study

Huaipeng Wang, Sicheng Liu, S. Z. Li, Zhifang Liu et autres

Two-dimensional semiconductor-metal contacts with induced mid-gap states, resulting in Fermi pinning, have been impeding the development of next-generation scaled devices. Many efforts have been devoted to find optimized evaporation methods to make ultra-clean vdW contacts. However, the fundamental mechanisms underlying the origin …

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Broadband Photodetectors Based on Graphene/Perovskite Hybrid Structure with Ferroelectric Gating

Zhongyang Liu, Mingjie Li, Huaipeng Wang, Dan Xie et autres

Graphene-based optoelectronic devices have attracted much attention due to its wavelength independent light absorption and high carrier mobility. However, such graphene-based photodetectors usually exhibit lower photo responsivity due to weak light absorption. Here, we fabricated a graphene/perovskite hybrid structure, where graphene works …

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Dual-photoconductivity in monolayer PtSe2 ribbons

Zechen Li, Honglin Wang, Huaipeng Wang, Jing Li et autres

Two-dimensional platinum diselenide (PtSe 2 ) has been explored for applications in visible and infrared photodetectors, owing to its tunable electrical and optoelectronic properties governed by layer-dependent bandgaps. Studies have explored both positive photoconductivity (PPC) and negative photoconductivity (NPC) behaviors in few-layer …

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Janus Doping of Sulfur into Platinum Diselenide Ribbons

Zechen Li, Honglin Wang, Huaipeng Wang, Yunpeng Ma et autres

Abstract 2D platinum diselenide (PtSe2), a novel member of the transition metal dichalcogenides (TMDCs) family, possesses many excellent properties, including a layer‐dependent bandgap, high carrier mobility, and broadband response, making it promise for applications in technologies like field‐effect transistors and room‐temperature photodetectors. …

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Mesh-reinforced Vaseline-assisted graphene transfer compatible with industrial automation operations

Xuesong Li, Xiaomeng Guo, Fangzhu Qing, Wei Liu et autres

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Small Feature‐Size Transistors Based on Low‐Dimensional Materials: From Structure Design to Nanofabrication Techniques

Xiaqing Fu, Zhifang Liu, Huaipeng Wang, Dan Xie et autres

For several decades after Moore's Law is proposed, there is a continuous effort to reduce the feature-size of transistors. However, as the size of transistors continues to decrease, numerous challenges and obstacles including severe short channel effects (SCEs) are emerging. Recently, low-dimensional …

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