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TiO2 was sensitized with a porphyrin, Tetra(4-carboxyphenyl) porphyrin(TCPP) and used as photocatalyst under visible light for degradation of aqueous solutions of methylene blue (MB) dye. The quantification of the degradation of MB was assessed by UV-Vis spectroscopy. The results of this procedure showed the decrease in concentration of MB over time when reaction is exposed to visible light. The TiO2-TCPP complex was tested as well for the recovery of metals from the AgNO3 aqueous solution. The reduction of silver cations to silver metal was observed through formation of black precipitate.


This poster won 2nd place for individual STEM projects and was presented at the 30th Semi-Annual Honors and Undergraduate Research Scholars Poster Presentation at New York City College of Technology, May 1, 2019.

Mentor: Prof. Ivana Jovanovic, Chemistry

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