Recent Progress of 2D Materials‐Based Photodetectors from UV to THz Waves: Principles, Materials, and Applications

Small, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 5, 2024

Abstract Photodetectors are one of the most critical components for future optoelectronic systems and it undergoes significant advancements to meet growing demands diverse applications spanning spectrum from ultraviolet (UV) terahertz (THz). 2D materials very attractive photodetector because their distinct optical electrical properties. The atomic‐thin structure, high carrier mobility, low van der Waals (vdWs) interaction between layers, relatively narrower bandgap engineered through engineering, absorption coefficient significantly benefit chip‐scale production integration materials‐based photodetectors. extremely sensitive detection at ambient temperature with ultra‐fast capabilities is made possible adaptability materials. Here, recent progress photodetectors based on materials, covering UV THz reported. In this report, light first deliberated in terms physics. Then, various mechanisms which detectors work, important performance parameters, fruitful fabrication methods, fundamental properties types detectors, different strategies improve performance, discussed.

Language: Английский

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Revealing the photo-sensing capabilities of a super-flexible, paper-based wearable a-Ga2O3 self-driven ultra-high-performance solar-blind photodetector

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 496, P. 153910 - 153910

Published: July 10, 2024

Language: Английский

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The Rise of 2D Materials‐Based Photoelectrochemical Photodetectors: Progress and Prospect

Advanced Optical Materials, Journal Year: 2024, Volume and Issue: unknown

Published: June 20, 2024

Abstract 2D materials have garnered significant research attention due to their unique electrical and optical properties. Various photodetectors (PDs) based on been demonstrated possess a high photoresponse, achieve specific light detection, construct flexible devices. Among these, photoelectrochemical‐type (PEC) PDs are attracting increasing facile fabrication processes, self‐powered capability, sensitivity. Compared with transitional solid‐state materials, material‐based PEC is still in its initial stages but exhibits promising potential for various applications. This paper comprehensively reviews recent advancements PDs. The first classified, then the synthesis methods employed briefly summarized. Later, performance optimization strategies of discussed. Finally, challenges opportunities developing high‐performance highlighted.

Language: Английский

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Ultraviolet–Visible Photodetector Based on a Cs₂TeI₆ Thin Film

ACS Applied Electronic Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 14, 2025

Te-based halide perovskites as alternatives to Pb-based have received increasing attention due the advantages of nontoxicity and high stability. However, investigation utilizing realize a broadband photoresponse photodetector (PD) is still rare. Herein, Cs2TeI6 film developed used for achieving high-performance PD. Optoelectronic performance analysis shows that PD sensitive light in ultraviolet (265 nm) visible (570 region. The responsivity, specific detectivity, external quantum efficiency reached 48 mA/W, 4.8 × 1012 jones, 13% at 420 nm 12 1.2 5.64% 265 nm, respectively, under 4 V bias weak intensity. response time 9 ms/125 ms nm. Moreover, can operate consistently 500 cycles less loss after sixmonths atmospheric environment. This work verifies has good potential ultraviolet–visible detection.

Language: Английский

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Optimizing interfacial charge transfer dynamics of t-Se photoelectrodes for boosting self-powered UV–vis photodetection

Nano Materials Science, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 1, 2025

Language: Английский

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Hydrogel Flexible Photodetector Based on Polarization of Free Water Molecules and Image Sensor Application

Nano Energy, Journal Year: 2025, Volume and Issue: unknown, P. 110889 - 110889

Published: March 1, 2025

Language: Английский

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Highly Crystalline Bi₂O₂Se Nanosheet Growth by Dual-Source Independent Control Technology for Photodetector

ACS Applied Nano Materials, Journal Year: 2025, Volume and Issue: unknown

Published: April 1, 2025

As an emerging 2D-layered semiconductor material, the Bi2O2Se nanosheet has shown great application potential in field of electronics and optoelectronics due to its high carrier mobility, superior air stability, tunable bandgap. However, mechanism controllable synthesis nanosheets is still unclear, further basic research applications are urgently needed photovoltaics. In this paper, were prepared based on "dual-source independent control" method, photodetectors demonstrated Si/SiO2. The device a mobility 258.6 cm2 V–1 s–1, responsivity 8030 A/W at 532 nm (0.32 mW/cm2), detectivity 1.972 × 1011 Jones, detector obtains highly stable recoverable properties with multiple laser switches. modulation Bi2O2Se-based then explored I–V characteristics photoconductivity effect solutions.

Language: Английский

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Review on synthetic approaches and PEC activity performance of bismuth binary and mixed-anion compounds for potential applications in the marine engineering

Dalton Transactions, Journal Year: 2024, Volume and Issue: 53(25), P. 10376 - 10402

Published: Jan. 1, 2024

Photoelectrochemical (PEC) technology in marine engineering holds significant importance due to its potential address various challenges the environment. Currently, PEC-type applications offer numerous benefits, including sustainable energy generation, water desalination and treatment, photodetection, communication. Finding novel efficient photoresponse semiconductors is of great significance for development techniques space. Bismuth-based semiconductor materials possess suitable tunable bandgap structures, high carrier mobility, low toxicity, strong oxidation capacity, which gives them engineering. In this paper, structure properties bismuth binary mixed-anion have been reviewed. Meanwhile, recent progress synthetic approaches were discussed from point view application prospects. Finally, issues photodetection hydrogen generation are analyzed. Thus, perspective will not only stimulate further investigation but also help related practitioners understand compounds.

Language: Английский

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Ultrafast Self-Powered Copper Oxide Composite-Based Vis-NIR Photodetector Probe

ACS Applied Electronic Materials, Journal Year: 2024, Volume and Issue: 6(9), P. 6457 - 6465

Published: Aug. 27, 2024

Self-powered photodetectors are gaining attention due to their simplistic fabrication and easy system integration. This paper presents the feasibility of realizing a Cu2O(CuO) working electrode (WE)-based photoelectrochemical (PEC)-type photodetector (PD) probe with an arrangement Cu/NaCl (W)/Cu2O(CuO), where copper oxide composite is fabricated using thermal treatment Cu. It observed that under zero bias 470 nm irradiation, can produce responsivity specific detectivity up 20.11 mA W−1 2.62 × 108 Jones, respectively. Further, it photocurrent 5 μA 33.78 mW cm–2 optical power density while having dark current 50 nA. Moreover, also shows minimal rise recovery time 20 140 ms, With realized high responsivity, this proposed holds excellent potential for next-generation optoelectronic sensor applications.

Language: Английский

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In2Se3 nanoparticles for use in self-powered photoelectrochemical photodetectors

Materials Letters, Journal Year: 2024, Volume and Issue: 366, P. 136560 - 136560

Published: April 28, 2024

Language: Английский

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