Sensitized Near IR Luminescence of Ln3+ ion in Lanthanide ... · Nam Seob Baek, a Yong Hee Kim, a...
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Sensitized Near IR Luminescence of Ln3+ ion in Lanthanide Complexes Based on Push-Pull Diketone Derivatives: Synthesis and Photophysical Behaviors Nam Seob Baek, a Yong Hee Kim, a Yu Kyung Eom,b Jung Hwan Oh,b Hwan Kyu Kim,*b Annina Aebischer,c Frédéric Gumy,c Anne-Sophie Chauvinc and Jean-Claude Bünzli*c
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A
λ / nm
CNPD / ACN
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CTPD / ACN
A
λ / nm
Fig. S1 UV-Vis absorption spectra of CNPD-Na and CTPD-Na as a function of the composition ratio of ligand/sodium ratio (ACN, Conc.= 2.0 × 10-5 M).
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1 / 0 1 / 1 1 / 2
CNPD / ACN
Cts
λ / nm
λexc. = 390 nm
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λexc. = 400 nm
CTPD / ACN
1 / 0 1 / 1 1 / 2
Cts
λ / nm
Fig. S2 Photoluminescence spectra of CNPD-Na and CTPD-Na as a function of the composition ratio of ligand/sodium ratio (ACN, Conc.= 2.0 × 10-5 M).
Electronic Supplementary Information for Dalton TransactionsThis journal is © The Royal Society of Chemistry 2010
0 2 4 6 8 10
Fluo
resc
ence
Inte
nsity
(log
)
Time (ns)
CTPD at 500 nm(λex = 400 nm)
MeCN = 1.5 ns
CHCl3= 0.5 ns
Cyclohexane = 150 ps
0 2 4 6 8 10
Fluo
resc
ence
Inte
nsity
(log
)
Time (ns)
CNPD at 500 nm(λex = 390 nm) ACN = 1.5 ns
CHCl3= 0.5 ns Cyclohexane = 150 ps
Fig. S3 UV-Vis absorption spectra of CNPD-Na and CTPD-Na (ACN) 2.0 × 10-5 M
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1x105
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PL In
tens
ity (a
.u.)
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Fig. S4 Near-IR emission spectra of Er3+-[CNPD]3(tpy) in MeCN (λex = 390 nm, Conc. = 2.0 × 10-5 M).
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Er3+-[CTPD]3(terpy)
Inte
nsity
Time (ns)0.000 0.005 0.010 0.015 0.020
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Nd3+-[CNPD]3(terpy)
Inte
nsity
Time (ns)0.000 0.002 0.004 0.006 0.008 0.010 0.012 0.014 0.016
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Er3+-[CNPD]3(terpy)
Inte
nsity
Time (ns)
Fig. S5 NIR luminescence decays of [Er(CTPD)3(tpy)], [Nd(CNTD)3(tpy)], and [Er(CNPD)3(tpy)] 2.0 × 10-5 M in MeCN at 10 K and upon excitation at 355 nm with a pulse width of 10 ns.
Electronic Supplementary Information for Dalton TransactionsThis journal is © The Royal Society of Chemistry 2010
400 500 600 700 800
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delay = 0 ms delay = 0,05 msno
rmal
ized
Wavelength (nm)
λexc. = 390 nm T = 295 K
T = 77 K
Fig. S6. Emission spectra of [Gd(CNPD)3(tpy)] : 2.0 × 10-5 M in MeCN at 295 K (Top) and 77 K (Bottom) without and with time delay.
Electronic Supplementary Information for Dalton TransactionsThis journal is © The Royal Society of Chemistry 2010
