In Situ Hydrothermal Synthesis of Visible Light Active Sulfur Doped TiO from Industrial TiOSO Solution

Overview

Journal Sci Rep

Specialty Science

Date 2024 Dec 29

PMID 39732894

Authors

Hong Pu

Congxue Tian

Hui Zhang

Affiliations

Soon will be listed here.

Abstract

A cost-effective industrial TiOSO solution was employed to fabricate visible light active sulfur-doped titanium dioxide (S-TiO) via a facile hydrothermal method. The effect of calcination temperature on morphology, particle size, crystallinity, and photocatalytic property of S-TiO was systematically investigated. Successful incorporation of sulfur into TiO was confirmed by carbon-sulfur analysis, X-ray photoelectron spectroscopy (XPS), and Energy dispersive spectrometer (EDS). The research results demonstrated that calcination temperature significantly impacted the crystallinity, specific surface area, sulfur content, and light absorption properties of S-TiO. The catalyst calcined at 400 °C revealed the highest photocatalytic activity, with a rate constant of 0.02408 min, approximately 25 times higher than commercial P25 catalyst. The higher activity was attributed to the synergistic effect of well-crystallized anatase phase, specific surface area, and red shift of spectral absorption.

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