Nano-ZnO Catalyzed Multicomponent One-Pot Synthesis of Novel Spiro(indoline-pyranodioxine) Derivatives

Table 4

Fluorescence data ZnO in methanol at different molar concentrations.

Entry	Molar concentration	ZnO nanoparticle
		𝜆em (nm)
1	1×10^−5	420
2	2×10^−5	280
3	3×10^−5	395
4	4×10^−5	445, 365
5	5×10^−5	455
6	6×10^−5	400