期刊
ANALYST
卷 138, 期 1, 页码 234-239出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2an36009h
关键词
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资金
- NSFC [41076059, 81202912]
- Key Foundation of Education Department of Fujian Province [JK2009016]
- Natural Sciences Foundation of Fujian Province [2011J01035]
- Program for Changjiang Scholars and Innovative Research Team in University [IRT1116]
In this paper, a new niobate semiconductor photocatalyst Sr0.4H1.2Nb2O6 center dot H2O (HSN) nanoparticle was applied to investigate the cathodic electrochemiluminescent (ECL) behavior of luminol for the first time. The results presented here demonstrated that there were two ECL peaks of luminol at the cathodic potential attributed to immobilization of HSN on the electrode surface. It is implied that HSN can be electrically excited and injected electrons into aqueous electrolytes from this electrode under a quite low potential that only excites luminol. A mechanism for this luminol-ECL system on HSN/GCE has been proposed. Additionally, this HSN/GCE has lots of advantages, such as high stability, good anti-interference ability, simple instrumentation, rapid procedure and ultrasensitive ECL response. It is envisioned that this HSN/GCE has further applications in biosensors.
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