Figures & data
Figure 1. (Colour online) XRD pattern of the powder sample of ZnO nanoparticles at different evaporation rates.
Figure 2. (a) SEM image of agglomerated ZnO nanoparticles and (b) TEM image of the ZnO nanoparticles. Inset shows the selected area electron diffraction pattern revealing the crystalline structure of the ZnO nanoparticles.
Figure 3. UV-Vis absorption spectrum of sample ZnO nanoparticles.
Figure 4. The optical band gap calculation plot
vs.
of ZnO nanoparticles.
Figure 5. The optical band gap calculation plot
vs.
of ZnO nanoparticles.
Figure 6. Particle size distribution curve.
Figure 7. (Colour online) Velocity vs. temperature in pure EG and ZnO-EG nanofluids.
Figure 8. (Colour online) Ultrasonic attenuation vs. frequency in pure EG and ZnO-EG nanofluid.
Figure 9. (Colour online) α/f 2 vs. frequency for pure EG and 5.0 wt% ZnO-EG nanofluids.
