Zhengfeng Zhu

ORCID: 0009-0007-3654-106X
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About
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Research Areas
  • Advanced Sensor and Energy Harvesting Materials
  • ZnO doping and properties
  • Advanced Battery Materials and Technologies
  • Conducting polymers and applications
  • Advancements in Battery Materials
  • Perovskite Materials and Applications
  • Supercapacitor Materials and Fabrication
  • Ga2O3 and related materials
  • Transition Metal Oxide Nanomaterials
  • Inorganic Chemistry and Materials
  • solar cell performance optimization
  • Advanced battery technologies research
  • Advanced Battery Technologies Research
  • Nanomaterials and Printing Technologies
  • Thermal Radiation and Cooling Technologies
  • Advanced Fiber Laser Technologies
  • Quantum Dots Synthesis And Properties
  • Advanced Memory and Neural Computing
  • Gold and Silver Nanoparticles Synthesis and Applications
  • Electrochemical sensors and biosensors
  • Anatomy and Medical Technology
  • Photovoltaic Systems and Sustainability
  • Nanoplatforms for cancer theranostics
  • Organic Light-Emitting Diodes Research
  • 2D Materials and Applications

Fudan University
2022-2025

Nanjing Tech University
2024

Air Force Medical University
2024

CRRC (China)
2023

Nanjing University of Science and Technology
2016-2020

Ministry of Industry and Information Technology
2017-2019

Institute of Microelectronics
2019

Materials Science & Engineering
2017

Beijing Jiaotong University
2006

Abstract 2D titanium disulfide (TiS 2 ) is recently found to have strong light absorption properties from visible infrared (IR) region. This feature highly attractive for applications in nonlinear photonics; however, the mechanism of broadband light–matter interaction yet be determined and photonic devices are not developed. Here, first time, experimental evidence supporting photoresponse ultrathin TiS nanosheets ranging 400 nm 1390 reported through laser Z ‐scan measurements....

10.1002/adom.201701166 article EN Advanced Optical Materials 2017-12-28

Image sensor arrays are widely used in digital cameras, smartphones, and biorobots. However, most commercial image rely on the dichroic prisms or a set of interference filters to distinguish characteristic color spectrum, which significantly increases cost fabrication processing complexity. In this work, an ultranarrow response photodetector with full-width at half-maximum being ∼12 nm specific detectivity over 1011 Jones 545 successfully achieved CsPbBr3 polycrystalline films using...

10.1021/acs.nanolett.8b03209 article EN Nano Letters 2018-11-20

Abstract Solid‐state supercapacitors (SSCs) are emerging as one of the promising energy storage devices due to their high safety, superior power density, and excellent cycling life. However, performance degradation safety issues under extreme conditions main challenges for practical application. With expansion human activities, such space missions, polar exploration, so on, investigation SSC with wide temperature tolerance, sustainability is highly desired. In this review, effects on...

10.1002/cey2.504 article EN cc-by Carbon Energy 2024-02-27

Localized surface plasmon resonance (LSPR) has many applications which require meeting specific wavelength windows. The most prominent examples are photothermal therapy in biology, matched to the biological window (650–1350 nm), and communication relying on photodetection optoelectronics, (1260–1675 nm). However, for classic noble metals (Au, Ag), tuning LSPRs from visible region these two windows is still a demanding task due their intrinsic limitations charge density dielectric function....

10.1002/adfm.201504884 article EN Advanced Functional Materials 2016-01-22

Sluggish CO2 reduction/evolution kinetics at cathodes seriously impede the realistic applications of Li-CO2 batteries. Herein, synergistic photoelectric effect and plasmonic interaction are introduced to accelerate reactions by designing a silver nanoparticle-decorated titanium dioxide nanotube array cathode. The incident light excites energetic photoelectrons/holes in overcome reaction barriers, induces intensified electric field around nanoparticles enable effective separation/transfer...

10.1002/anie.202201718 article EN Angewandte Chemie International Edition 2022-02-22

Abstract Memristors with an intrinsic crossbar structure and high computing capability offer promising opportunities for the flexible information‐processing component that can well integrate interwoven of electronic textiles. However, it remains difficult to achieve uniform inorganic memristive layer at nanometer thickness on curved surface fiber electrode, thus hindering applications textile memristors. Here, a high‐performing reliable memristor made robust Pt/CsPbBr 3 through...

10.1002/adfm.202201510 article EN Advanced Functional Materials 2022-04-10

Fiber solar cells as promising wearable power supplies have attracted increasing attentions recently, while further breakthrough on their conversion efficiency (PCE) and realization of multicolored appearances remain urgent needs particularly in real-world applications. Here, a fiber-dye-sensitized cell (FDSSC) integrated with light diffusion layer composed alumina/polyurethane film the outmost encapsulating tube made from phosphors/TiO

10.1002/adma.202312590 article EN Advanced Materials 2024-01-16

Abstract Fiber solar cells have attracted significant interest as a promising wearable power supply solution for their merits of high flexibility, lightweight, and good compatibility with textile configuration weaving process. However, because the limited ion diffusion charge transfer in fiber counter electrode, poor photovoltaic performances long been one obstacle to hinder real applications. Herein, mimicking efficient mass transport exchange through vascular tissue plants like pine...

10.1002/adfm.202207763 article EN Advanced Functional Materials 2022-10-13

Photovoltaic devices represent an efficient electricity generation mode. Integrating them into textiles offers exciting opportunities for smart electronic textiles-with the ultimate goal of supplying power wearable technology-which is poised to change how are designed. Many human activities occur indoors, so realizing indoor photovoltaic fibers (IPVFs) that can be woven wearables critical, although currently unavailable. Here, a dye-sensitized IPVF constructed by incorporating titanium...

10.1002/adma.202304876 article EN Advanced Materials 2023-08-06

Abstract Fiber solar cells can be woven into textiles to effectively supply electricity for wearables and have attracted increasing interests in the past decade. However, achieving high power conversion efficiencies real‐world applications remains a significant challenge textiles. Here unique hybrid counter electrode made from metal current collector fiber with electrical conductivity, aligned carbon nanotube sheet electrocatalytic property, porous titanium dioxide/poly(vinylidene fluoride‐...

10.1002/adfm.202306742 article EN Advanced Functional Materials 2023-09-13

Inorganic halide perovskites exhibited promising potentials for high-performance wide-band photodetectors (PDs) due to their high light absorption coefficients, long carrier diffusion length and wide ranges. Here, we report two-dimensional (2D) CsPbBr3/PCBM heterojunctions sensitive, fast flexible PDs, whose performances can be greatly boosted by the charge transfer through energy-aligned interface. The 2D CsPbBr3 nanosheets with crystallinity were fabricated via a simple solution-process at...

10.1088/1361-6528/aaa456 article EN Nanotechnology 2017-12-28

Abstract Light‐weight and ultraflexible‐fiber‐based devices that can be woven into wearable electronic products have attracted extensive attention in recent years. However, fiber‐shaped photodetectors (PDs) made from bulky metal‐wire‐based inorganic semiconductors are prone to damage with excessive bending. Therefore, this work introduces a directly constructed photodetector textile (PDT) realizes large‐area, organized dense weaving of PDs for the first time. To form structure, ZnO nanorod...

10.1002/aelm.201700281 article EN Advanced Electronic Materials 2017-09-01

Abstract The flexible fiber‐shaped photodetectors (PDs) suitable for wearable applications have recently attracted enormous research attention. However, the structures with PN junction usually suffer from poor interface between all‐inorganic semiconductors and twisted linear electrodes. In this work, ZnO/graphene PDs based on a Schottky are constructed first time. exhibit excellent device performance because of combination strain engineering. novel structure, ZnO nanorod arrays uniformly...

10.1002/admi.201800136 article EN Advanced Materials Interfaces 2018-03-12

Abstract Displaying is an indispensable function for smart electronic textiles to achieve information interaction. Weaving electroluminescent fibers into with designed patterns has proven as efficient strategy realize informative displaying. However, the design of multicolor a wide color gamut remains challenging full‐color display in textiles. Herein, fiber high purity been proposed by incorporating light‐conversion perovskite quantum dots copper doped zinc sulfide (ZnS:Cu) layer. The...

10.1002/adom.202403573 article EN Advanced Optical Materials 2025-04-11

Abstract Fiber gel dye‐sensitized solar cells (FGDSCs) are recognized as an effective solution for high‐performance, durable and safe wearable power supply. However, poor unstable interfaces between fiber electrodes electrolytes bottleneck problems that have restricted the photovoltaic performances of FGDSCs their stabilities during deformations. Here, FGDSC with stable interlaced is designed by incorporating polymerized electrolyte into aligned channels in gaps photoanode counter electrode...

10.1002/adfm.202404361 article EN Advanced Functional Materials 2024-05-07

Lightweight, flexible fiber-shaped devices that can be woven into wearable electronic products have received great attention in recent years. However, the bending and poor interfaces of typically lead to ineluctable performance degradation, which is still a challenge yet dealt with. Here, taking photodetector as an example, we proposed effective strategy, constructing inorganic–organic–graphene hybrid on single fiber, greatly improve performances device. In structure, ZnO nanorod array grown...

10.1021/acsami.7b00811 article EN ACS Applied Materials & Interfaces 2017-03-20

Single-crystal TiS2 nanosheets with very uniform morphology and narrow size distribution were prepared via a modified colloidal chemistry method by Haibo Zeng, Shixiang Xu, Han Zhang co-workers (article number 1701166). The calculated to have direct-bandgap structure showed remarkable nonlinear optics property. A nanosheets-based saturable absorber can be developed as an excellent candidate for photonic devices.

10.1002/adom.201870014 article EN Advanced Optical Materials 2018-02-01

Abstract Ternary‐oxide nanostructures are the most investigated as promising candidates for ultraviolet (UV) photodetectors (PDs) due to composition tunable bandgap and better photoconductivity. However, assembled film–based UV PDs generally exhibit poor response speed because internal defects of discontinuity film obstruct transport charges. Herein, a single‐crystal Zn 2 SnO 4 (ZTO) nanocrystal (NC)–assembled photodetector is reported, improving several tens times (τ rise ≈ 0.2 ms, τ decay...

10.1002/admt.201800085 article EN Advanced Materials Technologies 2018-04-26
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