Studies on the preparation and the photoelectrochemical properties of the nanoporous titania films attached with and without photosensitizer TCPP
Source abstract
Abstract
Fabrication of TiO2 nanoporous films was carried out by anodic oxidation using two-step voltage mode while the subsequent attaching of the photosensitizer 5,10,15,20-tetra(4-carboxyphenyl) porphyrin (TCPP) on the prepared TiO2 nanoporous films was carried out by the electrochemical method. Photoelectrochemical properties of TiO 2 nanoporous films attached with and without photosensitizer TCPP were analysed by fluorescence spectroscopy and electrochemical test. Effects of process parameters on the photoelectrochemical properties of TiO2 nanoporous films were also investigated. The optimized process parameters for the preparation of TiO2 nanoporous films with the best photoelectrochemical property can be concluded as follows: oxidation potentials is 70–140 V, oxidation temperature is 25∘C, H2SO4 electrolyte concentration is 0.5 mol l−1 and oxidation time is 60 min. The results also show that attaching of the photosensitizer TCPP on the TiO2 nanoporous films can indeed improve the properties of TiO2 nanoporous films, and the optimized attaching temperature and attaching voltage are 25∘C and 60 V, respectively.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: TiO2 Photocatalysis and Solar Cells · Advanced Photocatalysis Techniques · Electrocatalysts for Energy Conversion
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (15)
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