Citation: Liang Longqi, Yin Jiao, Bao Jinpeng, Cong Linchuan, Huang Weimin, Lin Haibo, Shi Zhan. Preparation of Au nanoparticles modified TiO₂ nanotube array sensor and its application as chemical oxygen demand sensor[J]. Chinese Chemical Letters, ;2019, 30(1): 167-170. doi: 10.1016/j.cclet.2018.01.049 shu

Preparation of Au nanoparticles modified TiO₂ nanotube array sensor and its application as chemical oxygen demand sensor

a.
College of Chemistry, Jilin University, Changchun 130012, China
b.
Key Laboratory of Functional Materials and Devices for Special Environments, Xinjiang Technical Institute of Physics & Chemistry, Chinese Academy of Sciences, Urumqi 830011, China
c.
Guangdong Guanghua Sci-Tech Co., Ltd., Shantou 515061, China
d.
College of Chemistry, State Key Laboratory Inorganic Synthesis & Preparative Chemistry, Jilin University, Changchun 130012, China

Corresponding author: Huang Weimin, huangwm@jlu.edu.cn
Received Date: 1 November 2017
Revised Date: 20 January 2018
Accepted Date: 24 January 2018
Available Online: 3 January 2018

Figures(4)

Au nanoparticles (AuNPs) were electrodeposited at the highly ordered anatase TiO₂ nanotube array (TiO₂NA) electrode under sonicating, and the AuNP-TiO₂NA sensor was characterized by scanning electron microscope (SEM), X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD). The photoelectrochemical experiments indicate the AuNP-TiO₂NA sensor has lower photoelectro-resistance, higher photoelectrocatalytical activity and stability than that of pure TiO₂NA sensor under the same conditions. The as-prepared sensor can be used for the determination of chemical oxygen demand (COD) in real samples, and the obtained results are comparable well with those of by standard K₂Cr₂O₇ method. The method proposed is simple, fast, cost effective, and environmentally friendly.
- TiO₂NA,
- AuNP,
- Electrodeposition,
- COD,
- Photoelectrochemical catalysis
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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Preparation of Au nanoparticles modified TiO2 nanotube array sensor and its application as chemical oxygen demand sensor

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通讯作者: 陈斌, bchen63@163.com

Preparation of Au nanoparticles modified TiO₂ nanotube array sensor and its application as chemical oxygen demand sensor