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- W2073511512 abstract "Zeolitic imidazolate framework-8 (ZIF-8) is one of the three dimensional porous metal-organic frameworks consisting of highly accessible pores and great surface area. In this study, ZIF-8 nanoparticles were synthesized and then characterized using X-ray diffraction (XRD), Fourier transform infrared (FT-IR), scanning electronic microscopy (SEM) and Brunauer–Emmett–Teller (BET) methods. A carbon paste electrode was modified with ZIF-8 nanoparticles doped with Ag (Ag/ZIF-8/CPE) and then used as an electrochemical sensor to detect hydrogen peroxide (H2O2). The response of modified electrode toward H2O2 reduction was examined using cyclic voltammetry and amperometry. Cyclic voltammetry studies revealed that the modified electrode can increase the reduction current of H2O2. Amperometric response of this sensor shows linear relationship over the concentration ranges of 20 μM to 5 mM and 5.5 mM to 10 mM, with low detection limit of 6.2 μM (S/N = 3), high sensitivities of 398.47 and 145.21 μA mM−1 cm−2 and a good response time of 4 s. The Ag/ZIF-8/CPE also indicates good anti-interference performance toward ascorbic acid, uric acid, glucose and sucrose during detection of H2O2. Modification of ZIF-8/CPE with Ag can be a useful method for developing new sensitive and selective H2O2 electrochemical sensors." @default.
- W2073511512 created "2016-06-24" @default.
- W2073511512 creator A5011646841 @default.
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- W2073511512 date "2015-05-01" @default.
- W2073511512 modified "2023-10-11" @default.
- W2073511512 title "Ag-doped zeolitic imidazolate framework-8 nanoparticles modified CPE for efficient electrocatalytic reduction of H 2 O 2" @default.
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- W2073511512 doi "https://doi.org/10.1016/j.electacta.2015.02.129" @default.
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