TiO2 xerogels prepared by modified sol–gel method with ethylenediamine are photoactive for the 4-nitrophenol photoreduction
Source abstract
Abstract
Amorphous and nanocrystalline TiO2 xerogel semiconductors were synthesized by sol–gel using different hydrolysis pH conditions with and without ethylenediamine as structural modifier. Blue-shift of the optical-electronic properties was observed for the amorphous TiO2 xerogel samples obtained in an alkaline hydrolysis medium. Different textural properties (specific surface area, N2 adsorption–desorption isotherm and pore size distribution) were promoted by the use of ethylenediamine for the amorphous TiO2 xerogel semiconductors, as well as high photocatalytic activity for the reduction of 4-nitrophenol. These results are discussed as function of the textural properties of the samples.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced Photocatalysis Techniques · TiO2 Photocatalysis and Solar Cells · Aerogels and thermal insulation
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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