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Project

Highly visible light responsive black titania for photo-electrochemical applications: the electrosensing of polyphenols in flow mode.

Recent advances in extending the light absorption range of titania (TiO2) into the visible region has resulted in a new material, i.e. black TiO2 with a bandgap around 1.5 eV. Black TiO2 is a promising candidate for photo-(electro)catalysis under near infrared light owing to its narrow band gap and its improved electronic conductivity which only limited attention has been paid to it to use as a photoelectrochemical sensor. Using photo-electrocatalysts in stationary electrochemical systems commonly face poisoning phenomena due to the generated product seriously affecting the electrochemical detection. In order to improve the recyclability of the photo-electrocatalyst, a flow photoelectrochemical cell is the best choice due to continues movement of a carrier solution to the electrode surface. The combination of a flow cell and an electrochemical setup integrates the benefit of two systems suchas high mass diffusion, much lower amount of sample requirements, while warranting strong signals and a high detection sensitivity.The core idea of my proposal is to synthesize and exploit black (reduced) titania as a highly visible light responsive material in a flow analysis setup to detect polyphenols via photo-electrochemistry.
Date:1 Oct 2018 →  30 Sep 2022
Keywords:ELECTROCHEMISTRY
Disciplines:Analytical chemistry, Inorganic chemistry, Organic chemistry, Physical chemistry, Theoretical and computational chemistry, Other chemical sciences
Project type:Collaboration project