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- Title
One-pot synthesis and hydrogen peroxide electrochemical sensing of 3D TiO<sub>2</sub>/MnO<sub>2</sub> nanorods assembled microspheres.
- Authors
Song, Haiyan; Li, Bilong; Cheng, Zhenyu; Hu, Haobin; Li, Zhijun; Chen, Luzi; Han, Zhiyi; He, Tingting; Lu, Yani; Wei, Xiaoxia; Huo, Lihua
- Abstract
Nanorods assembled 3D microspheres of TiO2/MnO2 were prepared via a simple one-pot hydrothermal approach. The resultant composite material exhibited remarkable electrocatalytic activity for hydrogen peroxide (H2O2) in comparison to each single component. The electrochemical sensor constructed with TiO2/MnO2 exhibited a linear relationship within the range 0.0001–5.6 mmol·L−1 for H2O2. The limit of detection (LOD) and sensitivity for H2O2 were 0.03 µmol·L−1 (S/N = 3) and 316.6 µA (mmol·L−1)−1 cm−2. Moreover, this sensor can be employed to detect trace amount of H2O2 in serum and urine samples successfully, supporting an insight and strategy for a more sensitive electrochemical sensor.
- Subjects
HYDROGEN production; MICROSPHERES; NANORODS; ELECTROCHEMICAL sensors; HYDROGEN peroxide; COMPOSITE materials; CARBON electrodes
- Publication
Microchimica Acta, 2024, Vol 191, Issue 5, p1
- ISSN
0026-3672
- Publication type
Article
- DOI
10.1007/s00604-024-06356-7