Zhaoqiang Zheng
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View article: Polarity-switchable logic and in-sensor computing with gate-tunable two-dimensional PtTe2/WSe2 heterojunctions
Polarity-switchable logic and in-sensor computing with gate-tunable two-dimensional PtTe2/WSe2 heterojunctions Open
View article: Atmospheric Pressure Vapor Transport Deposition of Sb<sub>2</sub>Se<sub>3</sub> Nanowires and Their Application in Photodetection
Atmospheric Pressure Vapor Transport Deposition of Sb<sub>2</sub>Se<sub>3</sub> Nanowires and Their Application in Photodetection Open
Photodetectors are important electronic components widely used in both civilian and military fields. However, the application of photodetectors built of traditional materials has been mostly limited to the detection of light intensity, whe…
View article: Crystal orientation engineering toward high-performance photodetectors and their multifunctional optoelectronic applications
Crystal orientation engineering toward high-performance photodetectors and their multifunctional optoelectronic applications Open
Pulsed-laser deposition has been developed to prepare large-area In2S3 nanofilms and their photoelectric characteristics have been investigated. The In2S3 nanofilm grown under 500 °C is highly oriented along the (103) direction with excep…
View article: Polymer Waveguide-Based Crossing Waveguides and Adiabatic-Tapered Directional Couplers for Fiber Compatible Optical Interconnect
Polymer Waveguide-Based Crossing Waveguides and Adiabatic-Tapered Directional Couplers for Fiber Compatible Optical Interconnect Open
Photonic integrated circuits have intrinsic merits of high integration, large bandwidth, and flexible design, which play an important role in optical communication systems for the interconnect. To increase the integration and routing of ph…
View article: In Situ Construction of Flexible Low‐Dimensional van der Waals Material Photodetectors
In Situ Construction of Flexible Low‐Dimensional van der Waals Material Photodetectors Open
By virtue of the excellent flexibility, conformability, portability, and aesthetics, wearable photodetectors have attracted worldwide research enthusiasm over the past decade. However, traditional bulk covalent semiconductors are difficult…
View article: Thickness-dependent optical properties and ultrafast carrier dynamics of 2D non-layered β-In2S3
Thickness-dependent optical properties and ultrafast carrier dynamics of 2D non-layered β-In2S3 Open
Non-layered 2D materials, such as indium sulfide (In2S3), possess distinctive properties due to their unsaturated surface bonds and atomically thin structures, rendering them highly promising for state-of-the-art optoelectronic application…
View article: MP25 - Bi2O2CO3/CuO Micro-flowers with Abundant Oxygen Vacancies for Enhanced VOC Detection
MP25 - Bi2O2CO3/CuO Micro-flowers with Abundant Oxygen Vacancies for Enhanced VOC Detection Open
View article: Research on photoelectrochemical photodetectors based on bismuth 2d thin films
Research on photoelectrochemical photodetectors based on bismuth 2d thin films Open
In recent years, two-dimensional (2D) materials have garnered considerable attention in the field of photodetection due to their advantageous characteristics, including an adjustable bandgap, high carrier mobility, and compatibility with s…
View article: Super-high responsivity and harsh environment-resistant ultraviolet photodetector enabled by Ta2NiSe5/GaN van der Waals heterojunction
Super-high responsivity and harsh environment-resistant ultraviolet photodetector enabled by Ta2NiSe5/GaN van der Waals heterojunction Open
View article: Reconfigurable WSe2 Schottky heterojunctions for logic rectifiers and ultrafast photodetectors
Reconfigurable WSe2 Schottky heterojunctions for logic rectifiers and ultrafast photodetectors Open
View article: Vertical 1T’‐WTe<sub>2</sub>/WS<sub>2</sub> Schottky‐Barrier Phototransistor with Polarity‐Switching Behavior
Vertical 1T’‐WTe<sub>2</sub>/WS<sub>2</sub> Schottky‐Barrier Phototransistor with Polarity‐Switching Behavior Open
In recent years, 2D reconfigurable phototransistors (RPTs) have been applied in broadband convolutional processing, retinomorphic hardware devices, and non‐volatile memorizers. However, there has been a lack of investigation into all‐2D Sc…
View article: Low-dimensional van der Waals materials for linear-polarization-sensitive photodetection: materials, polarizing strategies and applications
Low-dimensional van der Waals materials for linear-polarization-sensitive photodetection: materials, polarizing strategies and applications Open
Detecting light from a wealth of physical degrees of freedom (e.g. wavelength, intensity, polarization state, phase, etc) enables the acquirement of more comprehensive information. In the past two decades, low-dimensional van der Waals mat…
View article: Copper-based intersectional nanofabrication of optical nanoantennas for volatile organic compound sensing
Copper-based intersectional nanofabrication of optical nanoantennas for volatile organic compound sensing Open
Plasmonic sensors leverage the enhanced near-fields associated with the constituent optical nanoantennas to achieve better sensing performance. The design and fabrication of these optical nanoantennas, especially metallic ones, are thus be…
View article: Ultra-high photo responsivity and self-powered photodetector in broad spectral range based on non-layered MnSe/WSe2 heterojunction
Ultra-high photo responsivity and self-powered photodetector in broad spectral range based on non-layered MnSe/WSe2 heterojunction Open
Due to its good p-type semiconductor characteristics, MnSe has a great application prospect in high-performance electronic and optoelectronic devices. However, heterojunctions of MnSe still need to be deeply studied to improve its electric…
View article: Mixed-dimensional WS2/WSe2/Si unipolar barrier heterostructure for high-performance photodetection
Mixed-dimensional WS2/WSe2/Si unipolar barrier heterostructure for high-performance photodetection Open
View article: Type-II Bi<sub>2</sub>O<sub>2</sub>Se/MoTe<sub>2</sub> van der Waals Heterostructure Photodetectors with High Gate-Modulation Photovoltaic Performance
Type-II Bi<sub>2</sub>O<sub>2</sub>Se/MoTe<sub>2</sub> van der Waals Heterostructure Photodetectors with High Gate-Modulation Photovoltaic Performance Open
In recent years, two-dimensional (2D) nonlayered Bi2O2Se-based electronics and optoelectronics have drawn enormous attention owing to their high electron mobility, facile synthetic process, stability to the atmosphere…
View article: Type II Homo-Type Bi<sub>2</sub>O<sub>2</sub>Se Nanosheet/InSe Nanoflake Heterostructures for Self-Driven Broadband Visible–Near-Infrared Photodetectors
Type II Homo-Type Bi<sub>2</sub>O<sub>2</sub>Se Nanosheet/InSe Nanoflake Heterostructures for Self-Driven Broadband Visible–Near-Infrared Photodetectors Open
Bi2O2Se nanosheets, an emerging ternary non-van der Waals two-dimensional (2D) material, have garnered considerable research attention in recent years owing to their robust air stability, narrow indirect bandgap, high…
View article: Multilayer SnS2/few-layer MoS2 heterojunctions with in-situ floating photogate toward high-performance photodetectors and optical imaging application
Multilayer SnS2/few-layer MoS2 heterojunctions with in-situ floating photogate toward high-performance photodetectors and optical imaging application Open
View article: Reconfigurable ultra-broadband mode converter based on a two-mode fiber with pressure-loaded phase-shifted long-period alloyed waveguide grating
Reconfigurable ultra-broadband mode converter based on a two-mode fiber with pressure-loaded phase-shifted long-period alloyed waveguide grating Open
We present a reconfigurable ultra-broadband mode converter, which consists of a two-mode fiber (TMF) and pressure-loaded phase-shifted long-period alloyed waveguide grating. We design and fabricate the long-period alloyed waveguide grating…
View article: Promoting 2D Material Photodetectors by Optical Antennas beyond Noble Metals
Promoting 2D Material Photodetectors by Optical Antennas beyond Noble Metals Open
The distinctive layered crystal structures and diverse properties of 2D layered materials (2DLMs) have established them as prospective building blocks for implementing next‐generation optoelectronics. One critical predicament in terms of l…
View article: Van der Waals Heterostructures With Built‐In Mie Resonances For Polarization‐Sensitive Photodetection
Van der Waals Heterostructures With Built‐In Mie Resonances For Polarization‐Sensitive Photodetection Open
Few‐layer transition metal dichalcogenides (TMDs) and their combination as van der Waals heterostructures provide a promising platform for high‐performance optoelectronic devices. However, the ultrathin thickness of TMD flakes limits effic…
View article: Research on Photochemical Photodetectors Based on Bismuth 2d Thin Films
Research on Photochemical Photodetectors Based on Bismuth 2d Thin Films Open
View article: Integration of photovoltaic and photogating effects in a WSe<sub>2</sub>/WS<sub>2</sub>/p-Si dual junction photodetector featuring high-sensitivity and fast-response
Integration of photovoltaic and photogating effects in a WSe<sub>2</sub>/WS<sub>2</sub>/p-Si dual junction photodetector featuring high-sensitivity and fast-response Open
A photovoltaic photodetector based on a hybrid dimensional WSe 2 /WS 2 /p-Si dual-vdW heterojunction is constructed, which can realize the coupling of the photovoltaic effect and photogating effect.
View article: Ultra-broadband LP<sub>11</sub> mode converter with high purity based on long-period fiber grating and an integrated Y-junction
Ultra-broadband LP<sub>11</sub> mode converter with high purity based on long-period fiber grating and an integrated Y-junction Open
We report an ultra-broadband LP 11 mode converter with high purity based on integrated two shunt-wound long-period fiber gratings (LPFGs) and an adiabatic Y-junction, together with a high-order-mode bandpass filter. Two shunt-wound LPFGs a…
View article: Morphology- and size-dependent FAPbBr3/WO3 Z-scheme photocatalysts for the controllable photo-oxidation of benzyl alcohol
Morphology- and size-dependent FAPbBr3/WO3 Z-scheme photocatalysts for the controllable photo-oxidation of benzyl alcohol Open
Photocatalytic benzyl alcohol (BA) oxidation to value-added chemicals by semiconductors has attracted massive attentions due to its industrial interest. In this work, Z-scheme heterojunction photocatalysts composed of FAPbBr3 nanocrystals …
View article: Te/SnS<sub>2</sub> tunneling heterojunctions as high-performance photodetectors with superior self-powered properties
Te/SnS<sub>2</sub> tunneling heterojunctions as high-performance photodetectors with superior self-powered properties Open
The Te/SnS 2 tunneling heterojunctions possess interesting type-III band alignment and reverse rectification feature, which can work as high-performance photodetector with excellent self-powered performance.
View article: 2d Platinum Telluride as Sers Substrate: Unique Layer-Dependent Raman Enhanced Effect
2d Platinum Telluride as Sers Substrate: Unique Layer-Dependent Raman Enhanced Effect Open
View article: Hybrid 1D/2D heterostructure with electronic structure engineering toward high-sensitivity and polarization-dependent photodetector
Hybrid 1D/2D heterostructure with electronic structure engineering toward high-sensitivity and polarization-dependent photodetector Open
View article: Photocatalytic Degradation of Tobacco Tar Using CsPbBr3 Quantum Dots Modified Bi2WO6 Composite Photocatalyst
Photocatalytic Degradation of Tobacco Tar Using CsPbBr3 Quantum Dots Modified Bi2WO6 Composite Photocatalyst Open
Polycyclic aromatic hydrocarbons (PAHs) in tobacco tar are regarded as a significant threat to human health. PAHs are formed due to the incomplete combustion of organics in tobacco and cigarette paper. Herein, for the first time, we extend…
View article: Strategies to enhance photocatalytic activity of graphite carbon nitride-based photocatalysts
Strategies to enhance photocatalytic activity of graphite carbon nitride-based photocatalysts Open
With the rapid development of photocatalysis field, photocatalysts have received increasing attention due to their important role in environmental pollution and energy crisis. As a nonmetallic polymeric material, graphite carbon nitride (g…