- Fluorescence Thermal Antiquenching of Liposome Encapsulated CdSe Quantum Dots
- Journal of Nanoscience and Nanotechnology
- Volume | Issue number
- 10 | 11
- Pages (from-to)
- Document type
- Faculty of Science (FNWI)
- Van 't Hoff Institute for Molecular Sciences (HIMS)
The green emission semiconductor CdSe quantum dots are successfully encapsulated with lecithoid molecules and transferred into aqueous solution. The liposome-encapsulated CdSe maintain similar emission spectrum properties to free CdSe quantum dots. Fluorescence thermal antiquenching is investigated for the liposome-encapsulated CdSe when the temperature is increased from 20 degrees C to 80 degrees C. The reason of the fluorescence enhancement with increasing the temperature is that the vesicle structure of liposome-encapsulated CdSe becomes the CdSe micell structure over the phase transition temperature of the liposome vesicles, and the corresponding structure variation inducing surface reconstruction of CdSe quantum dots.
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