Zhi‐Qiang Feng

ORCID: 0000-0003-1647-5249
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About
Contact & Profiles
Research Areas
  • Contact Mechanics and Variational Inequalities
  • Elasticity and Material Modeling
  • Dynamics and Control of Mechanical Systems
  • Mechanical stress and fatigue analysis
  • Adhesion, Friction, and Surface Interactions
  • X-ray Diffraction in Crystallography
  • Crystallization and Solubility Studies
  • Numerical methods in engineering
  • Elasticity and Wave Propagation
  • Fluid Dynamics Simulations and Interactions
  • Hydrocarbon exploration and reservoir analysis
  • Vibration and Dynamic Analysis
  • Composite Material Mechanics
  • Advanced ceramic materials synthesis
  • Lattice Boltzmann Simulation Studies
  • Advanced Numerical Methods in Computational Mathematics
  • Geological and Geophysical Studies
  • Teleoperation and Haptic Systems
  • Gear and Bearing Dynamics Analysis
  • Automotive and Human Injury Biomechanics
  • Rheology and Fluid Dynamics Studies
  • 3D Shape Modeling and Analysis
  • Photovoltaic System Optimization Techniques
  • Nonlocal and gradient elasticity in micro/nano structures
  • Silicon and Solar Cell Technologies

Zhejiang University
2007-2025

Zhejiang Ocean University
2025

Guangdong Pharmaceutical University
2025

University of Edinburgh
2025

Université d'Évry Val-d'Essonne
2012-2024

Southwest Jiaotong University
2013-2024

Hunan Normal University
2024

Université Paris-Saclay
2018-2024

Lanzhou University of Technology
2024

Sichuan University of Science and Engineering
2020-2024

Monolithic perovskite/silicon tandem solar cells promise power-conversion efficiencies (PCEs) exceeding the Shockley-Queisser limit of single-junction cells. The conformal deposition perovskites on industrially feasible textured silicon allows for both lowered manufacturing costs and a higher matched photocurrent density, compared to state-of-the-art tandems using front-side flat or mildly silicon. However, inferior crystal quality perovskite films grown fully-textured compromises...

10.1002/adma.202207883 article EN Advanced Materials 2023-01-04

Abstract Perovskite/silicon tandem solar cells hold great promise for realizing high power conversion efficiency at low cost. However, achieving scalable fabrication of wide-bandgap perovskite (~1.68 eV) in air, without the protective environment an inert atmosphere, remains challenging due to moisture-induced degradation films. Herein, this study reveals that extent moisture interference is significantly influenced by properties solvent. We further demonstrate n-Butanol (nBA), with its...

10.1038/s41467-024-49351-5 article EN cc-by Nature Communications 2024-06-08

Nowadays, the concept of convex potential dissipation is a powerful tool customarily used to model constitutive dissipative laws. Unfortunately, it fails when applied Coulomb's dry friction contact, which shown in this paper by checking cyclic monotony condition. Next, new approach, bipotential method, presented and successfully contact law. This enables us write compact form uncover an implicit normality rule structure. The advantages approach are numerous, among emphasized pretty extension...

10.1016/s0895-7177(98)00119-8 article EN publisher-specific-oa Mathematical and Computer Modelling 1998-08-01

Abstract The Orowan‐Petch relation is a famous model to describe the strength of polycrystalline ceramics covering wide range grain sizes. However, it becomes difficult explain trend when size decreases sub‐microscale or nanoscale. This because some microstructural parameters (such as size, boundary fracture energy, and defects) vary with different processing technologies, their coupling effects on mechanical properties are still unclear. In this study, finite element method (FEM) was...

10.1111/jace.17286 article EN Journal of the American Ceramic Society 2020-06-03

An empirical method for estimating relative power losses caused by potential-induced degradation (PID) p-type solar cells and modules using quantitative electroluminescence (EL) analysis (QELA) is presented. First, EL images are corrected camera- perspective distortion. The loss map then calculated from the logarithmic ratio of two images, taken either before after PID or at different applied currents. Only cell average resulting evaluated. highest across each string averaged to obtain...

10.1109/jphotov.2018.2846665 article EN IEEE Journal of Photovoltaics 2018-07-13

In computational non-Newtonian fluid dynamics, heat transfer has obvious effects on motions of viscoelastic fluids, mechanical mechanism elasticity, and flow regimes. This study suggests an extended numerical scheme smoothed particle hydrodynamics finite method within density smoothing (SPH_DSFPM), which involves the discretization (SPH) (FPM) (DS) in weakly compressible scheme. A corrected shifting technique is incorporated to eliminate tensile instability inhomogeneity near solid...

10.1063/5.0197088 article EN Physics of Fluids 2024-04-01

Aeromonas hydrophila and caviae are two economically significant pathogenic bacteria in aquaculture the main causes of bacterial septicemia fish. Controlling disease caused by these pathogens is becoming a greater challenge due to increases antibiotic resistance bacteria. Here, we developed applied novel DNA vaccines carrying antigen genes for ovalbumin (OVA) outer membrane protein (OMP) A. evaluate their immunoprotective effects against species promote green development industry. Results:...

10.2139/ssrn.5087159 preprint EN 2025-01-01

Bacterial infections and the emergence of drug-resistant after misuse antibiotics are threats to human health worldwide. Photothermal nanomaterials incorporating metallic antibacterial agents offer a promising solution. Herein, an nanocomposite (Ag@SF@PDA) comprising silver nanoparticles (AgNPs) with silk fibroin/polydopamine nanospheres (SF@PDA) was designed for efficient application. Specifically, AgNPs were reduced in situ by polydopamine encapsulated outer layer. The Ag@SF@PDA, diameter...

10.1080/09205063.2025.2457265 article EN Journal of Biomaterials Science Polymer Edition 2025-02-10

A GPU-accelerated shallow water model with a local time-step (LTS) is employed in this work to examine how the Coriolis forces affect tidal level difference and, consequently, water–sediment exchange between Hangzhou Bay (HZB) and Yangtze River Estuary. The applied both idealized realistic estuary configurations analyze gradients two neighboring estuaries under different flow conditions without force condition. model’s accuracy predicting levels currents was validated against field data. It...

10.3390/w17071011 article EN Water 2025-03-29

The significant breakthrough of natural gas exploration in deep-seated volcanic rocks Songliao Basin, China, demonstrates that the as reservoirs can form accumulations where excellent source–reservoir–caprock assemblages exist. This paper reveals several features accumulations: (1) Two types reservoirs, including hydrocarbons and non-hydrocarbons, are developed; former is organic usually trapped shallower volcanics associated with sub-deep-seated faults, while latter mainly inorganic...

10.1016/s1876-3804(08)60019-1 article EN cc-by-nc-nd Petroleum Exploration and Development 2008-04-01

Direct covalent LBL assembly was performed on silica particles using PGMA and PAH as the building blocks. After core removal, hollow microcapsules with ultrathin shells good shell completeness were obtained. The have mechanical strength stability against extreme pHs elevated temperature too.

10.1002/adma.200700541 article EN Advanced Materials 2007-11-05
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