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.
Scanning electron microscopic (SEM) images of MAPbI3 deposited on (a) TiO2 nanotubes and (b) TiO2 nanoparticles, and cross-sectional images of a complete photovoltaic device using (c) TiO2 nanotubes and (d) TiO2 nanoparticles; (e) X-ray diffraction (XRD) spectrum displaying the incomplete conversion of PbI2 using TiO2 nanotubes. Reused with permission from Ref. [105]. Copyright 2015 Wiley and Sons.
