Table 1.

The characteristics of the performed experiments.

Name	Boiling Fluid	Surface	Size of Nanoparticles	Concentration (wt.%)
REF	water	Bare copper	/	/
LT	water	laser textured copper	/	/
TiO2-S-0.001	TiO2-water		small (4–8 nm)	0.001
TiO2-S-0.1	TiO2-water		large (490 nm)	0.1
TiO2-L-0.001	TiO2-water		small (4–8 nm)	0.001
TiO2-L-0.1	TiO2-water		large (490 nm)	0.1
TiO2-Mix-0.05	TiO2-water		small (4–8 nm) + large (490 nm)	0.05 small and 0.05 large