研究目的
To synthesize ordered polypyrrole nanorings (PPy NRs) with strong near-infrared (NIR) spectrum absorption and excellent photothermal conversion performance, and to explore their applications in inducing shape memory, reshaping, welding, and self-healing under different NIR irradiation power.
研究成果
Ordered PPy NRs with excellent photothermal conversion performance were successfully synthesized. The composites demonstrated significant potential for applications in photothermal therapy, shape memory, reshaping, welding, and self-healing under NIR irradiation.
研究不足
The study focuses on the synthesis and photothermal conversion performance of PPy NRs, but the scalability of the synthesis method and the long-term stability of the composites under repeated NIR irradiation are not discussed.
1：Experimental Design and Method Selection
Direct chemical oxidative polymerization using the composite of cetrimonium cations and peroxydisulfate anions as the soft template.
2：Sample Selection and Data Sources
PPy NRs were synthesized and characterized using various techniques including TEM, SEM, XRD, FT-IR, UV-vis absorption spectrum, DSC, and TGA.
3：List of Experimental Equipment and Materials
Pyrrole, ammonium persulfate (APS), cetyltrimethylammounium bromide (CTAB), diglycidyl ether of bisphenol A, adipic acid, hydrochloric acid (HCl), acetone, polydimethylsiloxane (PDMS), silicone elastomer curing agent, triazobicyclodecene.
4：Experimental Procedures and Operational Workflow
Synthesis of PPy NRs, PPy/PDMS composites, and PPy/vitrimer composites followed by characterization and photothermal conversion performance testing.
5：Data Analysis Methods
Analysis of morphology, structure, and photothermal conversion performance using various spectroscopic and microscopic techniques.
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JEOL-2100F TEM
2100F
JEOL
Analyzing the morphology and the structure of the PPy NRs
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Quanta FEG 250 SEM
FEG 250
Quanta
Taking scanning electron microscope (SEM) images
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D/MAX 2550VB3+/PC XRD
2550VB3+/PC
D/MAX
X-ray diffraction (XRD) analysis of the samples
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EQUINOX55 FT-IR
EQUINOX55
EQUINOX
Measuring the molecular structures of samples
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U-3310 spectrometer
U-3310
Obtaining the UV–vis absorption spectrum
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TA instrument Q100 DSC
Q100
TA instrument
Testing differential scanning calorimetry (DSC)
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STA 449C
449C
Measuring the thermal stability of PPy/vitrimer
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808nm NIR laser
Measuring the photothermal conversion performance of the samples
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TES-1310 thermocouple thermometer
TES-1310
Recording the temperature
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