Haihua Wang

ORCID: 0009-0000-2187-8689
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Research Areas
  • Advanced Sensor and Control Systems
  • Surface Modification and Superhydrophobicity
  • Nanofabrication and Lithography Techniques
  • Per- and polyfluoroalkyl substances research
  • Advanced Polymer Synthesis and Characterization
  • Advanced Antenna and Metasurface Technologies
  • Antenna Design and Analysis
  • Advanced Algorithms and Applications
  • Advancements in Photolithography Techniques
  • Photopolymerization techniques and applications
  • Experimental Learning in Engineering
  • Microwave Engineering and Waveguides
  • Luminescence and Fluorescent Materials
  • Nanocluster Synthesis and Applications
  • Fiber-reinforced polymer composites
  • Evacuation and Crowd Dynamics
  • Photochromic and Fluorescence Chemistry
  • Nanomaterials and Printing Technologies
  • Copper Interconnects and Reliability
  • Biofuel production and bioconversion
  • Control and Dynamics of Mobile Robots
  • Advanced Photocatalysis Techniques
  • Supramolecular Self-Assembly in Materials
  • Transportation Safety and Impact Analysis
  • Supramolecular Chemistry and Complexes

Shandong University
2023-2025

Guangxi Science and Technology Department
2023

Shandong University of Technology
2012

Johnson Controls (United States)
2011

Shijiazhuang Tiedao University
2006-2010

Jiaozuo University
2008-2010

Xidian University
2010

Beijing Municipal Ecology and Environment Bureau
2010

Advanced lithography requires highly sensitive photoresists to improve the lithographic efficiency, and it is critical, yet challenging, develop high-sensitivity imaging strategies. Here, we report a novel strategy for ultra-high sensitivity using hexafluoroisopropanol (HFIP)-containing fluoropolymer photoresists. The incorporation of HFIP, with its strong electrophilic property electron-withdrawing effect fluorine atoms, significantly increases acidity photoresist after exposure, enabling...

10.3390/polym16060825 article EN Polymers 2024-03-15

Free radical photopolymerization, a pivotal technology in materials processing, is extensively utilized for radiation curing and micro/nanoscale patterning. Yet, it commonly suffers from oxygen inhibition, which diminishes curability submicron films degrades performance. To address this issue, we develop novel class of (Z)-2-((Z)-2-(hydroxyimino)thiophen-3(2H)-ylidene)-2-(o-tolyl)acetonitrile-derived oxime esters (OXEs) formulate hybrid photoinitiators by blending these OXEs with...

10.1021/acs.macromol.4c02565 article EN Macromolecules 2025-01-15

10.1016/j.colsurfa.2025.136588 article EN Colloids and Surfaces A Physicochemical and Engineering Aspects 2025-03-01

Advanced lithography requires highly sensitive photoresists to improve lithographic efficiency, and it is critical yet challenging develop high-sensitivity imaging strategies. Here, we report a novel strategy for ultra-high sensitivity using hexafluoroisopropanol (HFIP)-containing fluoropolymer photoresists. The incorporation of HFIP, with its strong electrophilic property electron-withdrawing effect the fluorine atoms, significantly increases acidity photoresist after exposure, enabling...

10.20944/preprints202402.1610.v1 preprint EN 2024-02-28

The problem of goaf treatment has become more and prominent, posing a significant risk to the safety transportation causing environmental damage if it is not treated properly. This study aims conduct comparative analysis various grouting pastes evaluate their application in according backfilling. research begins by discussing different pastes’ properties, including clay-cement composite material geopolymer material, which have excellent engineering performance, friendliness, are easy operate...

10.3389/fmats.2023.1301504 article EN cc-by Frontiers in Materials 2023-12-06

A new process of in situ Ag fine pattern formation by direct transfer a modified tannic acid photoresist and electroless plating an ion solution was reported.

10.1039/d3im00066d article EN cc-by Industrial Chemistry and Materials 2023-08-15

A novel method of designing broadband microstrip antenna is proposed in this paper. By embedding a pair Cross-shaped slots placed close to the non-radiating edges patch and adding an air layer between substrate ground, character can be achieved. What's more, formulas for calculating two resonant frequencies have been experimentally deduced. Employing formulas, with double cross-shaped designed. The measured bandwidth 15.2% achieved small sizes, good radiation characteristic operating within...

10.1109/icmmt.2010.5525301 article EN International Conference on Microwave and Millimeter Wave Technology 2010-05-01

Moving and turning of robots quickly accurately should be ensured in games robot soccer. However conventional PID control usually uses fixed parameters its processing, so it is hard to achieve satisfactory effect. Fuzzy technique applied process self-tuning, are self-tuned on-line according different conditions this proposed paper. Compared with controller, fuzzy self-tuning controller can have more advantages, such as higher flexibility, adaptability, better dynamic static performance. Its...

10.1109/kamw.2008.4810412 article EN IEEE International Symposium on Knowledge Acquisition and Modeling Workshop 2008-12-01

Background: The birds depending on the aquatic creatures in wetland, as an indicator species, their individual species represent responses of other within habitat or group. To protect wetland and Poyang Lake, Jiangxi Province China, it is essential for local officials to get more reference data evidence make a scientific sustainable development them. Methods: A comprehensive survey was made time patterns waterfowl communities using UAV drone. And statistical analyses included Shannon-Wiener...

10.18805/ijar.bf-1624 article EN cc-by Indian Journal of Animal Research 2023-05-01

A novel broadband circular microstrip antenna with two pairs of slots is proposed in this paper. Due to the embedded patch, resonant modes similar radiation characteristics are found be excited. The closely excited can cause enhancement impedance bandwidth antenna. design and obtained performance presented. measured 15.2% achieved small sizes, good characteristic for operating frequencies within also observed.

10.1109/icmmt.2010.5524957 article EN International Conference on Microwave and Millimeter Wave Technology 2010-05-01

The dynamic performance and heat dissipation of automobile ECU radiator directly decides the working stability to each part ECU. In paper FE model is set up based on structure. steady temperature field liquid-solid coupling analyzed basis ANSYS program FEM. Tiptop relatively error 1.4%. Many projects are compared radiator. distribution gradient calculated. Some conclusions reached improve condition.

10.1109/mace.2010.5536635 article EN International Conference on Mechanic Automation and Control Engineering 2010-06-01

This paper focused on obstacle avoidance path planning in two-dimension competition field based MiroSot real-time soccer system. It specified model abstraction with visibility graph method and principle of optimality, this transformed into an issue multistage decision-making using dynamic-planning. For subproblems at each stage, solved them taking advantage optimized searching algorithm evaluated the results to get optimal according some evaluation indexes. In paper, was designed,...

10.1109/esiat.2010.5567246 article EN 2010-07-01
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