GENG Fang-lan, ZHAO Li-xia. Study on chemiluminescence sensing system for fast and sensitive detection of Fe(Ⅲ) in water samples[J]. 2015, 34(1): 57-59.
GENG Fang-lan, ZHAO Li-xia. Study on chemiluminescence sensing system for fast and sensitive detection of Fe(Ⅲ) in water samples[J]. 2015, 34(1): 57-59. DOI: 10.13873/J.1000-9787(2015)01-0057-03.
Carbon dots( CDs) material synthesized via microwave hydrothermal method has uniform particle size and disperse well in water. When Fe( Ⅲ) is added into CDs-Na OH chemiluminescence( CL) system intensity of luminous signal is improved greatly. Based on this
a CL sensing system for rapid and sensitive detection of Fe( Ⅲ) in water is built
in which CDs served as novel CL probes
detection limit of the detecting system is 1. 45 ×10- 6mol / L. The recovery ratios for the three kinds of water samples are 117 %
111 %
94 %. CL mechanism of this system is researched
holes inject into CDs by Fe( Ⅲ) acting as an oxidant combined with electrons inject into CDs caused by "chemical reduction"of Na OH
which results in CL phenomenon.
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references
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