期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 381, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jhazmat.2019.120883
关键词
TiO2@C; Nanocomposites; Core-shell; Photocatalysis; Water treatment
资金
- SERB, India
- European Commission Agency [642642]
This study reports the facile synthesis of highly photoactive TiO2@C core@shell nanocomposites through a single alkoxide precursor. TiO2 and carbon-based hybrid nanomaterials are popular photocatalysts owing to their abundance, low toxicity, and high stability, making them strong candidates for practical solar watertreatment applications. However, synthesis of such nanomaterials is often a multi-step process and requires careful control of the external carbon source for producing the desired morphology. In this regard, this study reports the synthesis of well-dispersed TiO2@C nanocomposites without the need of an external carbon source. The resulting photocatalyst was employed for treatment of various water-borne pollutants including several dyes, pharmaceuticals, and pathogens. Rapid mineralization of pollutants could be achieved even with low amounts of catalyst, with the performance well exceeding that of pristine TiO2 and P25 Degussa. Results indicate f hoto enerated charge carriers. Given the facile synthesis and the wide scope of operation, the prnpbsed ntalyst can a significant step towards practical photocatalytic solar water-treatment.
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