| dc.description.abstract | Integrating green nanotechnology 
contributes to a circular economy by converting waste 
into functional materials, thereby reducing pollution 
and promoting the sustainable use of resources. This 
study centers on the synthesis of zinc oxide 
nanoparticles (ZnO NPs) derived from Banana 
Flower (Musa acuminate) (BF), emphasizing their 
photocatalytic efficiency against IC 50 orange 
pigment dye (PD), a widely used industrial dye. The 
optimal conditions for synthesizing ZnO NPs with 
improved yields were determined by varying 
parameters such as pH, ion precursor concentration, 
plant extract-to-ion solution ratio, irradiation 
methods, and incubation time. The NPs were 
characterized using UV-Vis spectroscopy, FTIR, 
SEM, TEM, EDS, and XRD analysis. Surface plasmon 
resonance peaks between 350 and 370 nm 
preliminarily confirmed the formation of ZnO NPs. 
FTIR analysis indicated the stretching mode of the Zn
O bond around 625 cm-1. SEM analysis revealed the 
spherical morphology of the NPs, while TEM analysis 
showed an average particle size of 84.3 nm. XRD 
analysis confirmed the presence of the hexagonal 
crystalline structure typical of ZnO NPs, and EDS 
analysis validated the elemental composition, with Zn 
and O being the predominant constituents. Under 
optimized conditions, including catalytic load, pH, 
and dye concentration, the ZnO NPs synthesized from 
BF demonstrated exceptional photodegradation 
efficiency, achieving a 93.80% dye degradation 
within 7 hours. These findings highlight the potential 
of ZnO NPs synthesized with BF as a sustainable 
solution for textile and wastewater treatment 
applications due to their high photodegradation 
efficiency, environmentally friendly synthesis process, 
and effective removal of industrial dyes. | en_US |