研究目的
Investigating the optical properties and morphology of composite agarose films containing Eu(III) polyoxometalates through Raman and fluorescence imaging.
研究成果
Confocal Raman and fluorescence imaging allowed to detect the EuPOM species present in composite agarose films, and its distribution in the micrometric scale. The agarose polymeric network morphology is influenced by the POM particles as shown by AFM.
研究不足
The distribution of EuPOM in the agarose film is not uniform, possibly due to its low solubility during the formation process. POM crystallites can be observed with circular arrangements of around 20 μm and as needles.
1：Experimental Design and Method Selection:
Composite agarose films were prepared with Eu(III) containing polyoxometalates. The films' optical properties and morphology were explored by Raman and fluorescence measurements in a confocal microscopy system, together with the AFM profile.
2：Sample Selection and Data Sources:
Two Eu(III) POMs were used to prepare the composite films, namely [Eu(W5O18)2]9- and [Eu(W5O18)2(pic)4]13-.
3：3-.
List of Experimental Equipment and Materials:
3. List of Experimental Equipment and Materials: A confocal microscope (WITec alpha300 RAS+) was used for imaging, with lasers at 532 and 633nm.
4：Experimental Procedures and Operational Workflow:
The spatial distribution of the fillers in composite films was investigated using Raman and fluorescence imaging. The characterization of the film surfaces was performed by AFM.
5：Data Analysis Methods:
Raman and fluorescence images were constructed by integrating over specific bands using WITec software for data evaluation and processing.
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