Journal
OPTICAL MATERIALS
Volume 138, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.optmat.2023.113719
Keywords
Boron nitride; Pyrolysis; Characterization; Photocatalytic decolorization; Indigo carmine; Optimization
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A non-metal type photocatalytic layered boron nitride (BN) material was synthesized by hydrothermal process and pyrolysis. The synthesized BN exhibited a hexagonal crystal structure with a strong B--N bond. The photocatalytic decolorization of indigo carmine (IC) dye was achieved with a 88% efficiency using the synthesized BN under UV light. Response surface methodology (RSM) based box-benken design (BBD) was used to optimize the operating parameters and a model equation for decolorization efficiency was obtained. The photocatalytic decolorization mechanism was proposed based on experimental results.
A non-metal type photocatalytic layered boron nitride (BN) material was synthesized by precursor conversion hydrothermal process followed by adequate temperature pyrolysis. The characterization of BN was performed through various analytical instrumental techniques. The results show that a hexagonal crystal structure BN with a strong B--N bond was formed. The photocatalytic decolorization of indigo carmine (IC) dye was examined using synthesized BN with influencing factors like time, pH, catalyst, and dye concentration under ultra-violet light (UV) illumination. The decolorization efficiency was found to be 88%. The optimization of operating pa-rameters was investigated and also found a model equation of decolorization efficiency through response surface methodology (RSM) based box -behnken design (BBD). The photocatalytic decolorization mechanism was suggested based on the experiments performed.
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