研究目的
Investigating the fabrication and application of a quantum dots optical fiber (QDOF) sensor for temperature sensing using drop-on-demand inkjet printing technology.
研究成果
The QDOF sensor demonstrates high temperature sensitivity (109pm/℃), excellent reversibility, and good long-term stability, making it a promising candidate for temperature measurement applications. The inkjet printing technology offers flexibility, controllability, and repeatability for fabricating optical fibers and other optical elements.
研究不足
The length of the QDOF used in the experiment is limited to 3mm due to fluorescence quenching and transmission loss. The method's applicability to other quantum dots and substrates needs further exploration.
1：Experimental Design and Method Selection:
The QDOF sensor is fabricated using drop-on-demand inkjet printing technology, controlling droplet diameter, spacing, and number of printed layers.
2：Sample Selection and Data Sources:
The printing ink is composed of CdSe/ZnS quantum dots and ultraviolet glue.
3：List of Experimental Equipment and Materials:
JetlabⅡ inkjet printer, CdSe/ZnS quantum dots, ultraviolet glue, semiconductor LED, spectrometer.
4：Experimental Procedures and Operational Workflow:
Printing QDOF on polymer substrate, UV curing, coupling with multimode fiber, temperature and strain response testing.
5：Data Analysis Methods:
Measurement of transmission loss, fluorescence intensity, and temperature sensitivity.
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