An Ultrahigh‐Contrast Violet Phosphorus Van der Waals Phototransistor DOI

Weilin Chen,

Ruan Zhang,

Mengyue Gu

et al.

Advanced Optical Materials, Journal Year: 2023, Volume and Issue: 12(2)

Published: Sept. 28, 2023

Abstract Ultrahigh‐contrast photodetection with low background noise is of critical importance for accurate image‐sensing in deep‐sea and deep‐space exploration. The state‐of‐the‐art silicon III–V semiconductor‐based photodetectors usually require extended exposure to incident light high‐quality sensing darkness, which unfortunately results large room temperature dark currents ( RT ‐ I ) deteriorates the expected imaging contrasts. Herein, a high‐performance violet phosphorus (VP) phototransistor reported by constructing trap‐free interface between VP channel hexagonal boron nitride h ‐BN) dielectric via perfect van der Waals stacking. device shows an extremely 80 fA gate‐tunable high ON/OFF ratio over 10 5 , 2–4 orders magnitude superior that conventional counterparts. A photodetector array has been fabricated demonstrate high‐contrast capability. findings effectiveness ultrahigh‐contrast applications, while also presenting exciting opportunities enhance qualities through architectures optoelectronics.

Language: Английский

Prospective applications of two-dimensional materials beyond laboratory frontiers: A review DOI Creative Commons
Partha Kumbhakar, Jitha S. Jayan, Athira Sreedevi Madhavikutty

et al.

iScience, Journal Year: 2023, Volume and Issue: 26(5), P. 106671 - 106671

Published: April 14, 2023

The development of nanotechnology has been advancing for decades and gained acceleration in the 21st century. Two-dimensional (2D) materials are widely available, giving them a wide range material platforms technological study advancement atomic-level applications. design application 2D discussed this review. In order to evaluate performance materials, which might lead greater applications benefiting electrical electronics sectors as well society, future paradigm needs be visualized. hybrid with better characteristics that will help industry society at large is anticipated result from intensive research materials. This enhanced evaluation open new opportunities synthesis creation devices more effective than traditional ones various application.

Language: Английский

Citations

70
Noble‐Metal‐Free Single‐ and Dual‐Atom Catalysts for Artificial Photosynthesis DOI
Huaxing Li, Rongjie Li, Gang Liu

et al.

Advanced Materials, Journal Year: 2023, Volume and Issue: 36(22)

Published: May 13, 2023

Abstract Artificial photosynthesis enables direct solar‐to‐chemical energy conversion aimed at mitigating environmental pollution and producing solar fuels chemicals in a green sustainable approach, efficient, robust, low‐cost photocatalysts are the heart of artificial systems. As an emerging new class cocatalytic materials, single‐atom catalysts (SACs) dual‐atom (DACs) have received great deal current attention due to their maximal atom utilization unique photocatalytic properties, whereas noble‐metal‐free ones impart abundance, availability, cost‐effectiveness allowing for scalable implementation. This review outlines fundamental principles synthetic methods SACs DACs summarizes most recent advances (Co, Fe, Cu, Ni, Bi, Al, Sn, Er, La, Ba, etc.) (CuNi, FeCo, InCu, KNa, CoCo, CuCu, based on non‐noble metals, confined arsenal organic or inorganic substrates (polymeric carbon nitride, metal oxides, sulfides, metal–organic frameworks, carbon, acting as versatile scaffolds solar‐light‐driven reactions, including hydrogen evolution, dioxide reduction, methane conversion, synthesis, nitrogen fixation, peroxide production, remediation. The concludes with challenges, opportunities, future prospects photosynthesis.

Language: Английский

Citations

60
Printed transistors made of 2D material-based inks DOI
Silvia Conti, Gabriele Calabrese, Khaled Parvez

et al.

Nature Reviews Materials, Journal Year: 2023, Volume and Issue: 8(10), P. 651 - 667

Published: Aug. 24, 2023

Language: Английский

Citations

54
Renaissance of elemental phosphorus materials: properties, synthesis, and applications in sustainable energy and environment DOI Creative Commons
Haijiang Tian, Jiahong Wang, Gengchang Lai

et al.

Chemical Society Reviews, Journal Year: 2023, Volume and Issue: 52(16), P. 5388 - 5484

Published: Jan. 1, 2023

This review summarizes the advancements in elemental phosphorus materials, focusing on fundamental physicochemical properties, synthesis, and applications sustainable energy environment.

Language: Английский

Citations

52
S-Scheme Heterojunction/Single-Atom Dual-Driven Charge Transport for Photocatalytic Hydrogen Production DOI
Huaxing Li, Rongjie Li,

Yan-Nan Jing

et al.

ACS Catalysis, Journal Year: 2024, Volume and Issue: 14(10), P. 7308 - 7320

Published: April 25, 2024

The rational design and modification of heterojunction photocatalysts aimed at achieving fast charge transport efficient photocatalytic performance is a central goal solar-light-driven water splitting hydrogen evolution, yet this remains challenge. Herein, we prepare hierarchical photocatalyst composed few-layer violet phosphorene (VP), cadmium sulfide (CdS) nanoparticles (NPs), Pd single atoms (SAs) by facile one-step ball-milling strategy. underlying VP/CdS p–n heterojunctions are verified to adopt S-scheme directional transfer combining in situ irradiated X-ray photoelectron spectroscopy electron paramagnetic resonance. atomically dispersed sites the low-valence state coupled with synergistically achieve ultrafast (2.2 ps), which interfacial Pd–S Pd–P bonds serve as channels. In addition, density-functional theory calculations reveal key role enhancement light-harvesting capacity optimization proton adsorption thermodynamics. A visible-light production rate 82.5 mmol h–1 g–1 attained an optimal 1 wt % Pd–5 photocatalyst, manifests 54-fold increase respect that CdS NPs, addition apparent quantum efficiency (AQE) 25.7% 420 nm. This work showcases valid combination SAs for separation promoting others.

Language: Английский

Citations

44
Optoelectronic Synapses Based on MXene/Violet Phosphorus van der Waals Heterojunctions for Visual-Olfactory Crossmodal Perception DOI Creative Commons
Hailong Ma, Huajing Fang, Xinxing Xie

et al.

Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 16(1)

Published: Feb. 1, 2024

The crossmodal interaction of different senses, which is an important basis for learning and memory in the human brain, highly desired to be mimicked at device level developing neuromorphic perception, but related researches are scarce. Here, we demonstrate optoelectronic synapse vision-olfactory perception based on MXene/violet phosphorus (VP) van der Waals heterojunctions. Benefiting from efficient separation transport photogenerated carriers facilitated by conductive MXene, photoelectric responsivity VP dramatically enhanced 7 orders magnitude, reaching up 7.7 A W

Language: Английский

Citations

27
Large-Scale synthesis of crystalline phosphorus nanosheets with superior air-water stability and flame-retardancy ability DOI
Zunbin Duan, Rui Li, Bian He

et al.

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 159566 - 159566

Published: Jan. 1, 2025

Language: Английский

Citations

2
P‐Type 2D Semiconductors for Future Electronics DOI

Yunhai Xiong,

Duo Xu, Yiping Feng

et al.

Advanced Materials, Journal Year: 2022, Volume and Issue: 35(50)

Published: Oct. 17, 2022

2D semiconductors represent one of the best candidates to extend Moore's law for their superiorities, such as keeping high carrier mobility and remarkable gate-control capability at atomic thickness. Complementary transistors van der Waals junctions are critical in realizing semiconductors-based integrated circuits suitable future electronics. N-type have been reported predominantly strong electron doping caused by interfacial charge impurities internal structural defects. By contrast, superior reliable p-type with holes majority carriers still scarce. Not only that, but some issues not adequately addressed, including controlled synthesis wafer size quality, defect modulation, optimization interface contact, application high-speed low-power devices. Here material toolkit, strategies, device basics, digital electronics closely related reviewed. Their opportunities, challenges, prospects electronic applications also discussed, which would be promising or even shining post-Moore era.

Language: Английский

Citations

52
Recent advances in surface regulation and engineering strategies of photoelectrodes toward enhanced photoelectrochemical water splitting DOI
Runfa Tan, Arumugam Sivanantham, B. Jansi Rani

et al.

Coordination Chemistry Reviews, Journal Year: 2023, Volume and Issue: 494, P. 215362 - 215362

Published: July 28, 2023

Language: Английский

Citations

41
Ultrathin 2D Violet Phosphorus Nanosheets: Facile Liquid‐Phase Exfoliation, Characterization, and Photoelectrochemical Application DOI
Linghua Jin,

Rongshuo Guo,

Tao Han

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(27)

Published: March 31, 2023

Abstract Violet phosphorus (VP) is a stable layered van der Waals allotrope with unique electronic and optoelectronic properties. In this study, 2D VP nanosheets (NSs) are prepared by liquid phase exfoliation (LPE) method under ambient conditions. The NSs characterized utilized for photoelectrochemical (PEC)‐type photodetector (PD). systematic PEC measurements reveal that the as‐prepared VP‐based PD shows tunable photo‐response activities from ultraviolet to visible region. A current density of 0.52 µA cm −2 , photo‐responsivity 31.70 W −1 detectivity 7.92 × 10 Jones can be obtained in 1.0 m KOH 350 nm irradiation at 0 V, revealing good self‐powered capability PD. Furthermore, cycle time stability tests exhibit chemical environmental via processing 000 s on/off switching placing after one month. It expected work offer an understanding PEC‐type NSs‐based PD, highlight further promising applications other devices.

Language: Английский

Citations

40