王广现, 姚瑶, 褚光雷, 张慧, 郭业民. Preparation of an Enzyme-free Ti3C2Tx/Au@Pt Nanoflowers Composite Sensor and Its Application in H2O2 Detection[J]. 2019, 38(10): 1254-1259.
王广现, 姚瑶, 褚光雷, 张慧, 郭业民. Preparation of an Enzyme-free Ti3C2Tx/Au@Pt Nanoflowers Composite Sensor and Its Application in H2O2 Detection[J]. 2019, 38(10): 1254-1259.DOI: doi:10.3969/j.issn.1004-4957.2019.10.015.
Based on the conductivity of two dimensional transition metal carbide (MXene)-Ti3C2Tx and catalytic activity of Au@Pt nanoflowers
a Ti3C2Tx/Au@Pt nanoflowers enzyme free sensor was assembled for the ultrasensitive and rapid detection of H2O2 content.The prepared Ti3C2Tx was characterized by emission scanning electron microscopy and X-ray diffraction spectrometry.Results showed that the Ti3C2Tx material exhibited a unique accordion structure
while the Ti3C2Tx/Au@Pt are centered on Au particles and surrounded by Pt particles to form the surrouding dandelion structure.The cyclic voltammogram and time current curve of H2O2 on the Ti3C2Tx/Au@Pt modified electroded were studied.Results showed that the modified electrode based on Ti3C2Tx loaded Au@Pt nanoflowers presented good linear relationship for H2O2(0.03-1 100 μmol/L)
high sensitivity(detection limit:0.02 μmol/L)
good anti-interference and reproducibility.Compared with the traditional titration method
the new enzyme free sensor could be more rapidly and accurately used in the detection of H2O2 in a complex environment.