Hongyu Chen

ORCID: 0000-0002-3926-1959
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About
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Research Areas
  • Perovskite Materials and Applications
  • ZnO doping and properties
  • Ga2O3 and related materials
  • 2D Materials and Applications
  • Gas Sensing Nanomaterials and Sensors
  • Quantum Dots Synthesis And Properties
  • MXene and MAX Phase Materials
  • Plant Genetic and Mutation Studies
  • Magnetic and Electromagnetic Effects
  • Silicon Effects in Agriculture
  • Polymer Nanocomposites and Properties
  • Chalcogenide Semiconductor Thin Films
  • Plasmonic and Surface Plasmon Research
  • Advanced Memory and Neural Computing
  • Nanoplatforms for cancer theranostics
  • RNA modifications and cancer
  • Polymer crystallization and properties
  • Electronic and Structural Properties of Oxides
  • Transition Metal Oxide Nanomaterials
  • Traditional Chinese Medicine Analysis
  • Conducting polymers and applications
  • Nanowire Synthesis and Applications
  • Endoplasmic Reticulum Stress and Disease
  • Semiconductor materials and devices
  • Carbon and Quantum Dots Applications

South China Normal University
2008-2025

Chinese Academy of Sciences
2001-2025

Zhejiang Chinese Medical University
2012-2025

Zhejiang University
2013-2025

Zhejiang University of Technology
2021-2025

Anshun University
2025

Ningbo University
2025

Ningbo Institute of Industrial Technology
2025

Sichuan Agricultural University
2025

Changchun Institute of Applied Chemistry
2022-2024

Benefitting from the continuous innovations in semiconductor materials and device fabricating techniques, ultraviolet (UV) photodetectors have been successfully used advanced communications, flame detection, air purification, ozone sensing leak among others, past few decades. Nowadays, nanoscience, nanofabrication technologies versatile sparked a new vision of UV photodetectors, which move toward higher precision, lower energy consumption greater miniaturization. This paper is thus mainly...

10.1016/j.mattod.2015.06.001 article EN cc-by-nc-nd Materials Today 2015-07-26

Highly crystallized ZnO–Ga 2 O 3 core–shell heterostructure microwire is synthesized by a simple one‐step chemical vapor deposition method, and constructed into self‐powered solar‐blind (200–280 nm) photodetector with sharp cutoff wavelength at 266 nm. The device shows an ultrahigh responsivity (9.7 mA W −1 ) 251 nm high UV/visible rejection ratio ( R / 400 of 6.9 × 10 under zero bias. has fast response speed rise time shorter than 100 µs decay 900 µs, respectively. responsivity, ratio, make...

10.1002/adfm.201700264 article EN Advanced Functional Materials 2017-03-22

Inspired by nanoscience and nanoengineering, numerous nanostructured materials developed multidisciplinary approaches exhibit excellent photoelectronic properties ranging from ultraviolet to terahertz frequencies. As a new class of building block, nanoscale elements in terms quantum dots, nanowires, nanolayers can be used for fabricating photodetectors with high performance. Moreover, conjunction traditional photodetectors, they appealing performance practical applications including density...

10.1002/adma.201503534 article EN Advanced Materials 2015-11-25

High-performance solar-blind (200-280 nm) avalanche photodetectors (APDs) were fabricated based on highly crystallized ZnO-Ga2O3 core-shell microwires. The responsivity can reach up to 1.3 × 10(3) A/W under -6 V bias. Moreover, the corresponding detectivity was as high 9.91 10(14) cm·Hz(1/2)/W. device also showed a fast response, with rise time shorter than 20 μs and decay of 42 μs. quality detectors in waveband is comparable or even higher that commercial Si APD (APD120A2 from Thorlabs...

10.1021/acs.nanolett.5b00906 article EN Nano Letters 2015-05-06

A high sensitivity self-powered solar-blind photodetector is successfully constructed based on the polyaniline/MgZnO bilayer. The maximum responsivity of 160 μA W-1 at 250 nm under 0 V bias. device also exhibits a on/off ratio ≈104 illumination relatively weak light intensity 130 μW cm-2 without any power.

10.1002/smll.201601913 article EN Small 2016-09-05

A dual-band self-powered photodetector (SPPD) with high sensitivity is realized by a facile combination of InSe Schottky diode and Au plasmonic nanoparticle (NP) arrays. Comparing pristine devices, InSe/Au photodetectors possess an additional capability photodetection in visible to near-infrared (NIR) region. This intriguing phenomenon attributed the wavelength selective enhancement responsivities hybridized quadrupole plasmons resonance NPs. It worth pointing out that maximum ratio...

10.1021/acsnano.8b04931 article EN ACS Nano 2018-08-10

An electrically modulated single-/dual-color imaging photodetector with fast response speed is developed based on a small molecule (COi 8DFIC)/perovskite (CH3 NH3 PbBr3 ) hybrid film. Owing to the type-I heterojunction, device can facilely transform dual-color images single-color by applying bias voltage. The exhibits two distinct cut-off wavelengths at ≈544 nm (visible region) and ≈920 (near-infrared region), respectively, without any power supply. Its peak responsivities are 0.16 A W-1...

10.1002/adma.201907257 article EN Advanced Materials 2020-05-07

We demonstrate a novel ZnO self-powered photodetector based on the asymmetric metal-semiconductor-metal structure: one Au interdigitated electrode with wide fingers and other narrow fingers.

10.1039/c4tc01839g article EN Journal of Materials Chemistry C 2014-01-01

Abstract A high‐performance UV photodetector (PD) based on a p‐Se/n‐ZnO hybrid structure with large area (more than 1×1 cm) is presented in this study. The device theoretically equivalent to parallel‐connection circuit for its special and shows multifunction at different voltage bias, which means the output signal can be tailored by an applied voltage. Se/ZnO PD binary response (positive negative current under on/off periodical light illumination) small reverse bias (–0.05 V –0.1 V)...

10.1002/lpor.201600257 article EN Laser & Photonics Review 2016-12-16

Self-powered photodetectors with great potential for implanted medical diagnosis and smart communications have been severely hindered by the difficulty of simultaneously achieving high sensitivity fast response speed. Here, we report an ultrafast highly sensitive self-powered photodetector based on two-dimensional (2D) InSe, which is achieved applying a device architecture design generating ideal Schottky or ohmic contacts 2D layered semiconductors, are difficult to realize in conventional...

10.1021/acsnano.0c04329 article EN ACS Nano 2020-06-30

The piezo-phototronic effect has been promising as an effective means to improve the performance of two-dimensional (2D) semiconductor based optoelectronic devices. However, current reported monolayer 2D semiconductors are not regarded suitable for actual flexible piezotronic photodetectors due their insufficient optical absorption and mechanical durability, although they possess strong piezoelectricity. In this work, we demonstrate that, unlike 2H-phase transition-metal dichalcogenides,...

10.1021/acsnano.9b03278 article EN ACS Nano 2019-06-12

Abstract Formalin-fixed paraffin-embedded (FFPE) tissues constitute a vast and valuable patient material bank for clinical history follow-up data. It is still challenging to achieve single cell/nucleus RNA (sc/snRNA) profile in FFPE tissues. Here, we develop droplet-based snRNA sequencing technology (snRandom-seq) by capturing full-length total RNAs with random primers. snRandom-seq shows minor doublet rate (0.3%), much higher coverage, detects more non-coding nascent RNAs, compared...

10.1038/s41467-023-38409-5 article EN cc-by Nature Communications 2023-05-12

Macrophages are multifunctional immune system cells that essential for the mechanical stimulation-induced control of metabolism. Piezo1 is a non-selective calcium channel expressed in multifarious tissues to convey signals. Here, cellular model tension was used study effect stretch on phenotypic transformation macrophages and its mechanism. An indirect co-culture explore macrophage activation bone marrow mesenchymal stem (BMSCs), treadmill running validate mechanism vivo vitro studies. p53...

10.1111/cpr.13440 article EN cc-by Cell Proliferation 2023-03-07

Rational assembly of nanoparticles is vital importance for exploring fundamental electronic and optical properties constructing novel nanoscale devices. Through controlling aggregation kinetics, dimers trimers gold were generated encapsulated with polymer by using a one-pot synthesis that involved simple heating cooling. Dimers enriched from the resulting solution centrifugation. The shells maintain stability nanoparticle organization, preventing disintegration during subsequent...

10.1021/nl080820q article EN Nano Letters 2008-08-02

Hybrid inorganic–organic photoelectric devices draw considerable attention because of their unique features by combining the tunable functionality organic molecules and superior intrinsic carrier mobilities inorganic semiconductors. An ordered thin layer TiO2 nanowells is formed in situ with shallow nanoconcave patterns without cracking scalable production a facile economic strategy, these layers are used as building blocks to construct hybrid UV photodetectors (PDs). Organic conducting...

10.1021/acsami.6b11012 article EN ACS Applied Materials & Interfaces 2016-11-18

Novel inorganic/organic self‐powered UV–vis photodetectors based on single Se microtube and conducting polymers—polyaniline (PANI), polypyrrole (PPy), poly(3,4‐ethylenedioxythiophene) (PEDOT)—are fabricated. The polymers are directly coated the surface of a via facile low‐cost in situ polymerization method. integrated Se/PANI photodetector with 45‐nm‐thick PANI layer shows excellent behavior under light illumination. In particular, it exhibits high on/off ratio 1.1 × 10 3 , responsivity (120...

10.1002/adfm.201703166 article EN Advanced Functional Materials 2017-08-04

A high responsivity self-powered solar-blind deep UV (DUV) photodetector with rejection ratio was proposed based on inorganic/organic hybrid p–n junction. Owing to the crystallized β-Ga2O3 and excellent transparent conductive polymer PEDOT:PSS, device exhibited ultrahigh of 2.6 A/W at 245 nm a sharp cutoff wavelength 255 without any power supply. The is much larger than that previous DUV photodetectors. Moreover, an solar-blind/UV (R245 nm/R280 nm) 103, which two orders magnitude average...

10.1021/acs.jpclett.9b02793 article EN The Journal of Physical Chemistry Letters 2019-10-18

Broadband responsivity enhancement of single Se microtube (Se‐MT) photodetectors in the UV–visible region is presented this research. The pristine Se‐MT photodetector demonstrates broadband photoresponse from 300 to 700 nm with peak ≈19 mA W −1 at 610 and fast speed (rise time 0.32 ms fall 23.02 ms). To further enhance photodetector, Au Pt nanoparticles (NPs) are sputtered on these devices. In contrast only UV by NPs, (≈600% ≈800%) realized tuning size density NPs. phenomena interpreted both...

10.1002/adfm.201602408 article EN Advanced Functional Materials 2016-07-21

Energy efficient hardware implementation of artificial neural network is challenging due the memory-wall bottleneck. Neuromorphic computing promises to address this challenge by eliminating data movement and from off-chip memory devices. Emerging non-volatile devices that exhibit gradual changes in resistivity are a key enabler in-memory - type neuromorphic computing. In paper, we present review some (RRAM, CBRAM, PCM) commonly used application. The focuses on trade-off between device...

10.1088/1361-6463/aaf784 article EN Journal of Physics D Applied Physics 2018-12-10

A UV detector with a high UV-visible rejection ratio achieved by warped Schottky junction between Cu NWs and ZnO.

10.1039/c6tc02901a article EN Journal of Materials Chemistry C 2016-01-01

NLRP3 inflammasome is a critical part of the innate immune system and plays an important role in variety inflammatory diseases. However, effects on periodontitis have not been fully studied.We used ligature-induced models knockout mice (NLRP3KO ) their wildtype (WT) littermates to compare alveolar bone phenotypes. We further Lysm-Cre/RosanTnG mouse trace changes Lysm-Cre+ osteoclast precursors with or without MCC950 treatment. At last, we explored as potential drug for treatment vivo...

10.1111/cpr.12973 article EN cc-by Cell Proliferation 2020-12-31

Mixed-dimension van der Waals (vdW) p–n heterojunction photodiodes have inspired worldwide efforts to combine the excellent properties of 2D materials and traditional semiconductors without consideration lattice mismatch.

10.1039/c9nh00705a article EN Nanoscale Horizons 2019-12-17
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