Self-Assembled Subwavelength Nanophotonic Structures for Spatial Object Localization and Tracking DOI
Jianpeng Ma, Ziguang Zhao, Yingjie Zhao

et al.

Journal of the American Chemical Society, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 17, 2025

Subwavelength resonant nanostructures have facilitated strong light–matter interactions and tunable degrees of freedom light, such as spectrum, polarization, direction, thus boosting photonic applications toward light emission, manipulation, detection. For photodetection, enabled emerging technologies, detection ranging, spectrometers, polarimeters, within an ultracompact footprint. However, nanophotonics usually relies on nanofabrication technology, which suffers from the trade-offs between precision scalability. Here, we first realize self-assembly subwavelength metal-halide perovskites for spatial object localization tracking. By steering crystallization along capillary corner bridges localized at edges, achieve single crystallinity, size, coupling perovskite nanowires, leading to angle-resolved photodetector with angular resolution 0.523°. Furthermore, integrate multiple pairs coupled nanowires two orthogonal orientations form arrays both static moving objects error less than 0.6 cm. These findings create a platform self-assembled nanostructures, paving way multifunctional nanophotonic optoelectronic devices.

Language: Английский

Flexible electrode materials for emerging electronics: materials, fabrication and applications DOI
Kai Liu,

Tianyi Duan,

Fengran Zhang

et al.

Journal of Materials Chemistry A, Journal Year: 2024, Volume and Issue: 12(32), P. 20606 - 20637

Published: Jan. 1, 2024

This paper reviews the progress of flexible electrodes in recent years, including substrates, active materials, manufacturing methods, and their latest applications sensors, energy storage, medical healthcare.

Language: Английский

Citations

19
Recent progress on stability and applications of flexible perovskite photodetectors DOI
Ying Hu, Qianpeng Zhang, Jiantao Han

et al.

Journal of Semiconductors, Journal Year: 2025, Volume and Issue: 46(1), P. 011601 - 011601

Published: Jan. 1, 2025

Abstract Flexible photodetectors have garnered significant attention by virtue of their potential applications in environmental monitoring, wearable healthcare, imaging sensing, and portable optical communications. Perovskites stand out as particularly promising materials for photodetectors, offering exceptional optoelectronic properties, tunable band gaps, low-temperature solution processing, notable mechanical flexibility. In this review, we explore the latest progress flexible perovskite emphasizing strategies developed photoactive device structures to enhance performance stability. Additionally, discuss typical these devices offer insights into future directions applications.

Language: Английский

Citations

2
Ultrasensitive photoelectric detection with room temperature extremum DOI Creative Commons
Tuntan Wu, Yongzhen Li, Qiangguo Zhou

et al.

Light Science & Applications, Journal Year: 2025, Volume and Issue: 14(1)

Published: Feb. 26, 2025

Abstract Room-temperature photodetection holds pivotal significance in diverse applications such as sensing, imaging, telecommunications, and environmental remote sensing due to its simplicity, versatility, indispensability. Although different kinds of photon thermal detectors have been realized, high sensitivity with room temperature extremum is not reported until now. Herein, we find evident peaks the photoelectric response originated from anomalous excitonic insulator phase transition tantalum nickel selenide (Ta 2 NiSe 5 ) for room-temperature optimized visible light terahertz ranges. Extreme photoconductive detector specific detectivity (D*) 5.3 × 10 11 cm·Hz 1/2 ·W − 1 electrical bandwidth 360 kHz reached range, which one two orders magnitude improvement compared that state-of-the-art detectors. The van der Waals heterostructure Ta /WS further constructed suppress dark current at much improved ambient D* 4.1 12 −1 wavelength, rivaling typical photodetectors, superior performance range photoconductor device. Our results open a new avenue optoelectronics via broad wavelength bands pave way sensitive temperature.

Language: Английский

Citations

2
Recent Progress in Wearable Self‐Powered Biomechanical Sensors: Mechanisms and Applications DOI
Shaotong Zhang, Xiang Lin, Ji Wan

et al.

Advanced Materials Technologies, Journal Year: 2024, Volume and Issue: 9(21)

Published: Feb. 7, 2024

Abstract Biomechanical signals, such as strain variations of the skin, vibrations chest and throat, well motions limbs, hold immense significance in healthcare monitoring, disease diagnosis, human‐machine interface. Examples span from monitoring blood pressure pulse waves for atherosclerosis to distinguishing between metatarsalgia patients healthy individuals by tracking their walking postures, voiceprint recognition hearing aid technology based on vibration sensing. Wearable biomechanical sensors play a crucial role providing valuable insights into one's health condition physiological features. However, development high‐performance capable prolonged poses challenges. Traditional batteries have limited lifespan pose difficulty replacement. Using self‐powered devices measurement signals represents an attractive solution tackle issues caused batteries. This review focuses mechanisms wearable sensors, delves recent advancements applications, covering areas cardiovascular system acoustic detection, human motion tracking, many others associated with biomechanics. A concluding section outlines potential future prospects this evolving field materials biomedical research.

Language: Английский

Citations

16
Exploring Nanoscale Perovskite Materials for Next-Generation Photodetectors: A Comprehensive Review and Future Directions DOI Creative Commons
Xin Li,

Sikandar Aftab,

Maria Mukhtar

et al.

Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 17(1)

Published: Sept. 30, 2024

Abstract The rapid advancement of nanotechnology has sparked much interest in applying nanoscale perovskite materials for photodetection applications. These are promising candidates next-generation photodetectors (PDs) due to their unique optoelectronic properties and flexible synthesis routes. This review explores the approaches used development use devices made different architectures, including quantum dots, nanosheets, nanorods, nanowires, nanocrystals. Through a thorough analysis recent literature, also addresses common issues like mechanisms underlying degradation PDs offers perspectives on potential solutions improve stability scalability that impede widespread implementation. In addition, it highlights encompasses detection light fields dimensions other than intensity suggests avenues future research overcome these obstacles fully realize state-of-the-art systems. provides comprehensive overview guides efforts towards improved performance wider applicability, making valuable resource researchers.

Language: Английский

Citations

11
Full‐Color and High‐Resolution Femtosecond Laser Patterning of Perovskite Quantum Dots in Polyacrylonitrile Matrix DOI
Jinming Hu, Ronghui Guo,

Shengting Zhu

et al.

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

Published: July 10, 2024

Abstract Laser patterning of perovskite quantum dots (PQDs) in polymer matrix enables situ synthesis, easy integration, and much improved long‐term stability, holding great promises for varieties photonics, optoelectronics applications. Although multi‐color PQD patterns have been demonstrated through tuning the halide stoichiometry, it remains significantly challenging to achieve full‐color due slow spontaneous crystallization chlorinated precursor at room temperature. Herein, polyacrylonitrile (PAN) is introduced serve as material, excess cyano groups which would coordinate with dissociative cesium lead cations film, leading suppression unprompted process. Taking advantage nonthermal contactless ultrafast femtosecond laser, PQDs are fabricated by stoichiometry PAN matrix, emission wavelength range 425–685 nm, spanning from deep blue red color, a sub‐diffraction feature size ≈400 nm. The approach allows ultrafine programmable fabrication arrays arbitrary high resolution stability. This facile, efficient, reliable technique believed offer novel pathway precise manufacturing various photonic or optoelectronic devices based on patterned PQDs.

Language: Английский

Citations

10
Toward Smart, Flexible, and Omnidirectional Self-Powered Photodetection by an All-Solution-Processed In2O3/Pbl2 Heterojunction DOI
Jie Zhang, Mingxu Wang,

Pengsheng Li

et al.

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(3), P. 3685 - 3693

Published: Jan. 16, 2024

Amorphous In

Language: Английский

Citations

9
Isomerizing Passivators in Perovskite Solar Cells: The Impact of Molecular Spatial Configuration DOI
Fazheng Qiu, Jiayi Sun, Haoliang Cheng

et al.

ACS Materials Letters, Journal Year: 2025, Volume and Issue: unknown, P. 544 - 552

Published: Jan. 9, 2025

Language: Английский

Citations

1
Band Tailoring Enabled Perovskite Devices for X‐Ray to Near‐Infrared Photodetection DOI Creative Commons

Yichu He,

Guan‐Hua Dun, Jun Deng

et al.

Advanced Science, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 14, 2025

Abstract Perovskite semiconductors have shown significant promise for photodetection due to their low effective carrier masses and long lifetimes. However, achieving balanced detection across a broad spectrum—from X‐rays infrared—within single perovskite photodetector presents challenges. These challenges stem from conflicting requirements different wavelength ranges, such as the narrow bandgap needed infrared dark current necessary X‐ray sensitivity. To address this, this study designed type‐II FAPbI 3 perovskite‐based heterojunction featuring large energy band offset utilizing tellurium (Te) semiconductor. This innovative design broadens range into while simultaneously reducing noise. As‐designed device allows of near band, detectivity 6.8 × 10 9 Jones at 1550 nm. The enables sensitivity up 1885.1 µC Gy⁻¹ cm⁻ 2 . First‐principles calculations confirm structure alignment heterojunction, self‐driven response behavior is realized. Moreover, developed scalable 40 1 sensor array, demonstrating potential wide‐spectrum imaging applications. work expected advance application devices.

Language: Английский

Citations

1
Enhancing Dynamic Range in Low-Noise 2D-Integrated Organic Photodiodes by Mitigating Langevin Recombination DOI

Gyeong Min Lee,

Tae Hyuk Kim,

Gayoung Ham

et al.

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

Published: Jan. 22, 2025

Organic photodiodes (OPDs) are a significant focus for the next-generation of light-detection technologies. However, organic semiconductors in OPDs still face key challenges, such as low carrier mobilities and limited efficiency generating photon-induced signals, which affect detectable resolution dynamic range. In this study, characterization interaction between polymeric bulk heterojunctions two-dimensional (2D) transition metal dichalcogenides (MoS2) reveals an enhancement photocurrent due to improved photogeneration dynamics (e.g., reduction bimolecular recombination enhancing charge transfer). Consequently, optimized 2D MoS2-additive OPD achieved exceptionally high linear range (LDR) exceeding 174 dB outstanding specific detectivity (D*) 3.21 × 1012 Jones, while reaching femto-scale noise levels. This presents potential state-of-the-art various light signal applications.

Language: Английский

Citations

1