研究目的
To develop a thick, transparent, and superhydrophilic TiO2?ZrO2 coating with excellent self-cleaning properties using a simple dip-coating technique and to compare its properties with a single-templated TiO2?ZrO2?PMMA coating.
研究成果
The study successfully developed a thick, transparent, and superhydrophilic TiO2?ZrO2?PMMA?PF127 coating with excellent self-cleaning properties. The double-templated film showed superior hydrophilic retention and transmittance compared to the single-templated film, making it a promising candidate for self-cleaning applications.
研究不足
The study focuses on the development and characterization of the coatings but does not extensively explore their long-term durability under environmental conditions or their performance in real-world applications.
1：Experimental Design and Method Selection:
The study involved the preparation of TiO2?ZrO2?PMMA?PF127 and TiO2?ZrO2?PMMA coatings using a sol-gel dip-coating method. The rationale was to explore the effects of double templating with PMMA and PF127 on the properties of the coatings.
2：Sample Selection and Data Sources:
Glass substrates were used for coating deposition. The samples were characterized using various techniques including FTIR, Raman spectroscopy, SEM, AFM, HR-TEM, SAXS, WAXS, and XPS.
3：List of Experimental Equipment and Materials:
Zirconium (IV) propoxide, titanium isopropoxide, Pluronic F127, PMMA, diethanolamine, and ethanol were used. Equipment included a dip-coating apparatus, UV degradation chamber, FTIR spectrometer, FESEM, AFM, TEM, SAXS/WAXS system, Raman spectrograph, and XPS spectrometer.
4：Experimental Procedures and Operational Workflow:
The coatings were prepared by mixing precursor sols with polymer solutions, followed by dip-coating on glass substrates and aging. The films were then characterized for their structural, morphological, and wetting properties.
5：Data Analysis Methods:
The data from various characterization techniques were analyzed to understand the structural, morphological, and wetting properties of the coatings.
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TEM
JEM-2010
JEOL
Size and crystalline nature investigation
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Dip-coating apparatus
HO-TH-IE01
Holmarc
Coating deposition
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FTIR spectrometer
Spectrum 400
PerkinElmer
FTIR spectra recording
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FESEM
Nova NanoSEM 450
FEI
Surface morphology analysis
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Zirconium (IV) propoxide
Sigma-Aldrich
Precursor for zirconia sol preparation
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Titanium isopropoxide
Sigma-Aldrich
Precursor for titania sol preparation
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Pluronic F127
Sigma-Aldrich
Structure directing agent
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PMMA
Alfa Aesar
Polymer for composite formation
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Diethanolamine
Alfa Aesar
Chelating ligand
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Ethanol
Merck
Solvent
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UV degradation chamber
Prism Foundation
UV degradation activity study
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AFM
Nanoscope IIIa
Digital Instrument
Surface relief examination
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SAXS/WAXS system
XEUSS
Xenocs
X-ray diffraction analysis
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Raman spectrograph
LabRAM-HR 800
Horiba Jobin Yvon
Raman spectra recording
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XPS spectrometer
Kratos analytical
XPS analysis
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