Luminescence Alchemy: "Skybluelite" - UVa

 

FOV: 2.5" wide.

 

Strontium sulfide made by heating strontium carbonate with sulfur in molten salt. Silver (~0.1% mol), sodium (1% mol) and lead (~0.01% mol) were added as activators

 

Source:

Sr......SrCO3 (Alfa Aesar)

S.......Sulfur (Alfa Aesar)

Ag......AgNO3 (HST)

Na......NaHCO3 (A&H Baking Soda)

Pb......Pb(NO3)2 (HST)

NaCl....Mixing salt (Hardware store)

 

Suspected phosphor:

SrS:Ag+,Na+,Pb2+ (FL+PHOS Sky blue >UVabc)

 

Shown under UVa light.

 

Key:

WL = White light (halogen + LED)

FL = Fluoresces

PHOS = Phosporescent

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:", '!' = "bright", '~' = "dim"

 

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Photostream best viewed in Slideshow mode (in the dark).

 

18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

 

...\FL min Experiments\Group II Sulfides\In salt\SrS\SrS in salt Ag Na Pb

Done