September 10, 2025Open Access

Time-Dependent Hydrothermal Synthesis of Zn²⁺ - Modified TiO₂ in Acidic Environment: Effects on Photoconductivity

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Photoconductivity increased as much as five orders of magnitude in Zn-modified TiO2 under vacuum conditions.
The TS24Z8 sample showed nearly 30 times higher photoconductivity compared to the commercial P25 benchmark.
XRD confirmed anatase phase formation, with longer reaction times promoting crystallite growth and altering porosity.
Zinc modification suppressed agglomeration and reduced particle size, enhancing the electronic response of TiO2.

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Hydrothermal synthesis improves photoconductivity in Zn-modified TiO2, highlighting synthesis duration and modifications.

Georgakopoulos et al. (2025) studied this question.

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