Hello,
Yes, the physical characteristics of amorphous and crystalline TiO2 and ZnO differ, and this influences their performance. Some of the differences found are conductivity, electrical resistance, and some other microstructural characteristics.
For instance, amorphous TiO2 is typically thought to have no photocatalytic properties because the imperfections in the crystal structure can act as recombination centers. However, recent research has found that amorphous TiO2 created via the atomic layer deposition approach can have some photocatalytic activity.
Dear Ahmed Abdulla Auda ;
There is a big difference between crystalline and amorphous solids and here we will learn about the comparison of amorphous vs crystalline.
Amorphous solids material is usually shapeless. it has an irregular arrangement of solid particles. The intermolecular forces between these particles are not equal. Also, the distance between every two particles tends to vary. They do not possess a defined geometric shape, while on the other hand, Crystalline solids have a definite and regular geometry and consist of both long-range as well as short-range order of their constituent particles. more details are in the following references;
https://www.vedantu.com/chemistry/difference-between-crystalline-and-amorphous-solid
Article Dissolution and Microstructural Transformation of ZnO Nanopa...
Surely yes. As mr. Mahmood H.M mentioned, there is a huge difference between these two shapes.
Amorphous TiO2 or any metal oxide are normally shapeless without an equal inter molecular forces. In contrast, crystalline materials have a regular geometry which can make their properties quite different.
Cristalline state of TiO2 and ZnO is essentially ionic that means high conductivity, high hardness,... Than amorphous state.
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