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(1) Absorption, (3) excitation (Em.wl. ), and (4) emission (Exc.wl. ) spectra of films made by pure APTS gels. Curve 2 gives the absorption spectrum of pure APTS liquid precursor (optical ). The inset shows a magnification of Curve 1 between 225 and .
(1) Excitation (Em.wl. ), (2) luminescence (Exc.wl. ), and (3) luminescence (Exc.wl. ) spectra of films made by pure APTS gels doped with .
FTIR spectra of films deposited on silicon wafers: (a) pure APTS gel; (b) APTS gel containing ; (c) APTS gel containing tfa; and (d) ternary complex in APTS gel where was added first and tfa last.
(Color online) (1) Absorption spectrum of the binary mixture APTS-tfa and (2) of the ternary complex ; (3) excitation spectrum of the ternary complex by emission at ; and (4) luminescence spectrum of the ternary complex by excitation at .
Efficiency of luminescence under identical excitation conditions for various phosphors. Exc.wl. .
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