id	keyword
can-3182	zno
can-3182	doi
can-3182	cofe2o4
can-3182	water
can-3182	synthesis
can-3182	green
can-3182	energy
can-3182	nanoparticles
can-3182	journal
can-3182	gce
can-3182	et al
can-3182	materials
can-3182	oer
can-3182	figure
can-3182	oxidation
can-3182	extract
can-3182	research
can-3182	characterization
can-3182	splitting