Stress-Induced Structural Phase Transition in Polystyrene/NaYF₄: Eu³⁺ Photoluminescent Electrospun Nanofibers

Table 1

A comparative of the refractive index of PVA, PMMA, PAN, and PS.

Polymer	Refractive index
PVA	1.477@632 nm [43]
PMMA	1.483@ 632 nm [44]
PAN	1.52@600 nm [45]
PS	1.586@632 nm [46]