Experimental study demonstrates enhanced visible-light photocatalytic degradation of rhodamine B using porous Bi5O7I, suggesting its potential for wastewater purification.
Flower-like porous Bi 5 O 7 I was successfully synthesized through an easy thermal decomposition of flower-like BiOI. And its chemical structure, morphology and optical property were thoroughly analyzed by x-ray diffraction, x-ray photoelectron spectroscopy, scanning electron microscope, energydispersive spectrometry elements mapping, transmission electron microscopy, N 2 adsorption-desorption isotherm, BET, and UV–vis diffuse reflectance spectra. The visible-light photocatalytic elimination of rhodamine B (RhB) was investigated. The experimental results indicated that flower-like porous Bi 5 O 7 I exhibited enhanced photocatalytic activity for degrading RhB in comparsion of flower-like BiOI, g-C 3 N 4 and N-doped TiO 2 . Additionally, the as-prepared flower-like porous Bi 5 O 7 I possessed catalytic stability after recycles.
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Yao et al. (2018) studied this question.
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