Controlled Synthesis of Water-Soluble NaYF₄:Yb³⁺, Er³⁺ Nanoparticles with Surfactant Dependent Properties

Table 1

The synthesis conditions and characteristics of the samples prepared via the solvothermal method.

Sample number	Molecular weight	Solvothermal time (h)	Sample size (nm)
L1	2000	3 h	58 nm
L2	2000	5 h	64 nm
H1	25000	3 h	40 nm
H2	25000	5 h	45 nm