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.
a) Scheme of liquid–solid–solution (LSS) phase transfer synthetic strategy. Reproduced with permission.87 Copyright 2005, Nature Publishing Group. SEM image of arrays of b) hexagonalnanotubes of β‐NaYF4, c) flower‐patterned hexagonal disks of β‐NaYF4, and d) hexagonalnanorods of β‐NaYF4. Reproduced with permission.17
