Progress of Room Temperature Phosphorescent Sensing Application Based on Manganese-doped Zinc Sulfide Quantum Dots / 分析化学
Chinese Journal of Analytical Chemistry
;
(12): 1831-1837, 2017.
Article
in Chinese
| WPRIM
| ID: wpr-663552
ABSTRACT
In comparison with traditional organic dyes, semiconductor quantum dots ( QDs) feature a series of superior luminescence properties, including narrow and symmetric emission, broad excitation and strong absorption, excellent photobleaching-resistance, and good water solubility. The addition of dopants can endows QDs with extra new properties, e. g. , further increase the Stokes shift for avoiding self-quenching. Mn-doped ZnS QDs are a very representative example of doped QDs. No harmful elements such as Cd and Hg are involved in such type of bio-friendly QDs. Besides, the Mn2+dopant further adds QDs with excellent room temperature phosphorescence. Phosphorescent detection can effectively eliminate the interference of biological background fluorescence, thus Mn-doped ZnS QDs can be widely used in phosphorescent bioanalysis. In this paper, the recent progress of room temperature phosphorescence analysis with Mn-doped ZnS QDs was reviewed. The emphasis was placed on the several stimulative sensing design strategies, including the luminescence mechanism, ion probes, detection of small molecules and biomacromolecules.
Full text:
Available
Index:
WPRIM (Western Pacific)
Language:
Chinese
Journal:
Chinese Journal of Analytical Chemistry
Year:
2017
Type:
Article
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