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Efficient Degradation of Aqueous Rhodamine B Irradiation Under Indoor Light Using a SiO 2 –Hypocrellin B Complex
Author(s) -
Zhang Jucheng,
Yan Heping,
Chen Yashun,
Chen Rui,
He Ying,
Liu Wei
Publication year - 2016
Publication title -
photochemistry and photobiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.818
H-Index - 131
eISSN - 1751-1097
pISSN - 0031-8655
DOI - 10.1111/php.12596
Subject(s) - rhodamine b , aqueous solution , degradation (telecommunications) , chemistry , scanning electron microscope , photochemistry , rhodamine , mass spectrometry , nuclear chemistry , spectroscopy , irradiation , catalysis , analytical chemistry (journal) , fluorescence , photocatalysis , chromatography , materials science , organic chemistry , telecommunications , physics , quantum mechanics , computer science , nuclear physics , composite material
An efficient method for the degradation of the dye Rhodamine B (RhB) is reported. A SiO 2 –hypocrellin B (SiO 2 – HB ) complex was found to work as a catalyst to degrade RhB in aqueous solution at room temperature and atmospheric pressure, over the pH range 1–10, under indoor light conditions. This method is capable of removing 82.68% of RhB within 20 min at pH 9. The SiO 2 – HB complex was characterized by both scanning electron microscopy and surface area analysis. The reaction progress was examined using ultrahigh pressure liquid chromatography/mass spectrometry and UV –visible spectroscopy. This process represents an efficient means of decontaminating dye‐containing wastewaters in either highly acidic or weakly alkaline environments.