研究目的
To synthesize ultrathin quaternary tungsten bronze nanowires (QTBNWs) with efficient photo-to-thermal conversion behavior and investigate their potential applications.
研究成果
Ultrathin QTBNWs with efficient photo-to-thermal conversion behavior were successfully synthesized. The Na-Cs-QTBNWs exhibited the best performance in photothermal conversion among the tested materials, attributed to their ultrathin morphology and elemental composition. These findings suggest potential applications in photothermal ablation and heat shielding coating.
研究不足
The study focuses on the synthesis and photothermal properties of QTBNWs, but does not explore their long-term stability or toxicity, which are important for practical applications.
1：Experimental Design and Method Selection:
A one-step solvothermal method was used to synthesize QTBNWs. Alkali metal-doped QTBNWs were prepared by changing the type of starting alkali carbonate and tungstate.
2：Sample Selection and Data Sources:
Na2WO4?2H2O and alkali carbonate were dissolved in deionized water containing hydrochloric acid. Cyclohexane and oleylamine were added to the aqueous solution with stirring.
3：List of Experimental Equipment and Materials:
Teflon-lined autoclave, TEM, STEM, HRTEM, FT-IR, TGA, XPS, XRD, UV-vis absorption spectrum.
4：Experimental Procedures and Operational Workflow:
The slurry was sealed in a 10 mL-capacity Teflon-lined autoclave and heated at 190 °C for 60 h.
5：Data Analysis Methods:
The optical properties of the QTBNWs dispersion were examined by UV-vis absorption spectrum. The photothermal conversion efficiency was tested under NIR irradiation.
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