In this work, a new and straightforward method for the synthesis of 1-hexyl-3-methyl-2-(2-oxo-ethyl)-
3H-imidazol-1-ium bromide (HMIB) embedded on CdO-TiO2 (HMIB-CT) hybrid material is reported.
The efficiency of the catalytically active material HMIB-CT with nanostructures is entirely depend on
the preparation method. The X-ray diffraction patterns revealed that the anatase phase of titanium
dioxide results in the formation of well-crystallized CdO and ionic liquid. The optical absorbance
spectra demonstrated that the energy gap is diminished from 2.80 to 2.37 eV, which happens due to
the presence of ionic liquids. The HR-TEM study shows that the particles are present in spherical
shape, while some particles are rod structures with small amount of agglomeration found in imidazole
based ionic liquid embedded CdO-TiO2 nanoparticles. The photoluminescence emission results also
indicated that ionic liquids efficiently supported and blocked the recombination of charge carriers. A
complete demineralization of an organic dye (Trypan blue) under natural sun beam irradiation required
for the photocatalytic activity is also accomplished. Moreover, the prepared ionic liquid supported
CdO-TiO2 hybrid material shows better electrocatalytic activity upon methanol oxidation (4.89 mA)
and super hydrophobic nature by contact angle measurement (112.2º).
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