Abstract
Here, we developed a novel electrochemiluminescence resonance energy transfer (ECL-RET) approach between Ru(bpy) 2+3 and Au nanorods (NRs) for sensitive determination of H2O2. Au NRs were synthesized through silver ion-assisted seed-mediated method which exhibited an obvious absorption peak at about 627 nm. They were modified at glassy carbon electrode (GCE) surface which showed a significant ECL quenching efficiency about 56.5% due to the ECL-RET process. This Au NRs modified electrode was then utilized to measure the concentration of H2O2 on the basis of the significant quenching effect of H2O2 on Ru(bpy) 2+3 ECL. Results demonstrated that the decrement of ECL intensity at Au NRs modified electrode had ~ 6.6-fold enhancement as compared with that at bare electrode.
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Acknowledgments
This work was supported by the Program for Student Innovation Through Research and Training (201510307079), the National Natural Science Foundation of China (21305068), and the Natural Science Foundation of Jiangsu Province (BK20130666).
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Wu, M., Chen, Z., Xu, H. et al. Sensitive electrochemiluminescence resonance energy transfer (ECL-RET) between Ru(bpy) 2+3 and Au nanorod for hydrogen peroxide detection. Sci. China Chem. 60, 410–414 (2017). https://doi.org/10.1007/s11426-016-0150-4
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DOI: https://doi.org/10.1007/s11426-016-0150-4