“…[
10 ] In contrast, surface modification of the conducting grains by poorly conducting extract molecules, i.e., modification of the grain boundary surfaces will change the dielectric constant of the modified ZnO NPs which depends on the polarizable bonds on the surface manifested through their shape and size. [
58 ] These may explain why the dielectric constant values at steady temperatures in the low‐frequency range change with the changing particle size as observed in the present case (at 50 Hz and 24 °C, ZnO0:
= 1040, D = 17.5 nm; [
71 ] ZnO10:
= 55, D = 20.8 nm [
71 ] )…”