期刊
ANALYST
卷 137, 期 8, 页码 1872-1875出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2an16247d
关键词
-
资金
- National Natural Science Foundation of China [21002035]
- Guangdong talents [C10208]
A new europium complex covalently modified single-walled carbon nanotube (SWNT) was reported here as an emissive nanosensor for the determination of hypochlorite. FT-IR, UV-vis, TEM and SEM proved that it was successfully linked to the SWNT surface. A luminescence quenching effect of this nanoprobe was rapidly observed in the presence of ClO-. Moreover, the quenching process can be detected within 1 s and the detection limit could reach 9 x 10(-8) M. We regarded that the ligand exchange process and the high vibration energy of the ClO- resulted in this selective recognition behavior.
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