Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Schematic diagram: (a) UV stimulated carriers transport; (b) energy band structure and electron-hole pair separation and transportation in the ZnO/SnO2 heterostructure in the area marked with a dashed circle. Reproduced with permission from [74].
