supplementary information: multidoped · 2017. 1. 31. · supplementary information: multidoped...
TRANSCRIPT
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SUPPLEMENTARY INFORMATION: MULTIDOPED Ln3+ GADOLINIUM DIOXYCARBONATES AS TUNABLE WHITE LIGHT EMITTING PHOSPHORS
I. Nellia, A.M. Kaczmarekb, F. Locardia, V. Carattoa, G.A. Costaa,c, R. Van Deunb,*
a. Department of Chemistry and Industrial Chemistry, University di Genova, via Dodecaneso 31, 16146 Genova, Italy. b. L3 – Luminescent Lanthanide Lab, Department of Inorganic and Physical Chemistry, Ghent University, Krijgslaan 281-‐S3, B-‐9000 Ghent, Belgium. *E-‐mail: [email protected]
c. CNR – SPIN, Corso F.M. Perrone 24, 16152 Genova, Italy CNR-‐SPIN, corso F.M. Perrone 24, 16152 Genova, Italy.
Electronic Supplementary Material (ESI) for Dalton Transactions.This journal is © The Royal Society of Chemistry 2017
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Fig. S1. FB XRD pattern compared. Reference pattern of Gd2O2CO3 from Pearson's Crystal Data. Powder pattern of: 1804813.
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Fig. S2. SEM images of a) sample FB1 (Tm3+, Dy3+: Gd2O2CO3), b) FB2 (Tm3+, Dy3+, Eu3+: Gd2O2CO3), c) FB3
(Tm3+, Dy3+, Sm3+: Gd2O2CO3) and d) FB8 (Tm3+, Tb3+, Dy3+: Gd2O2CO3) at different magnifications.
Fig. S3. Excitation (a) and emission (b) spectrum of sample FB9 (Tm3+, Dy3+, Eu3+: Gd2O2CO3) monitored respectively at λem = 456 nm and λex = 360 nm
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Table S1. Colormetric properties of FB samples at different wavelength, comparing with the illumination standard D65
Sample λex CIE CCT
White
0.4610, 0.4110 2700 0.3770, 0.3677 4000 0.3275, 0.3577 5700
D65 Standard 0.3128, 0.3290 6504 FB1
273
0.3967, 0.5194 n.a. FB2 0.4005, 0.5070 4253 FB3 0.4429, 0.4495 3242 FB4 0.4029, 0.4459 3927 FB5 0.4484, 0.4335 3043 FB6 0.4417, 0.4762 3430 FB7 0.3646, 0.5612 n.a. FB8 0.3648, 0.5299 n.a. FB9 0.5561, 0.3946 1680 FB1
311
0.4104, 0.4920 4022 FB2 0.4194, 0.4873 3849 FB3 0.4357, 0.4472 3341 FB4 0.4033, 0.4290 3918 FB5 0.4980, 0.4290 2370 FB6 0.4519, 0.4939 3383 FB7 0.3773, 0.5498 n.a FB8 0.3968, 0.5037 4303 FB9 0.5130, 0.4462 2232 FB1
351
0.4261, 0.4766 3681 FB2 0.4241, 0.4771 3717 FB3 0.4171, 0.4447 3650 FB4 0.3425, 0.3493 5093 FB5 0.3885, 0.4110 4029 FB6 0.2694, 0.2383 >10000 FB7 0.2217, 0.2612 >10000 FB8 0.4092, 0.4539 3851 FB9 0.4197, 0.4561 3672 FB3
360
0.2157, 0.0935 >10000 FB4 0.1694, 0.0546 >10000 FB5 0.1829, 0.0621 >10000 FB6 0,1641, 0.0401 >10000 FB7 0,1691, 0,0603 >10000 FB9 0.2247, 0.1112 >10000 FB1
365
0.4150, 0.4652 3808 FB2 0.4057, 0.4539 3917 FB3 0.3439, 0.2634 4429 FB4 0.2808, 0.2231 >10000 FB5 0.2760, 0.2244 >10000 FB6 0.1960, 0.0982 >10000 FB7 0.2071, 0.1464 >10000 FB8 0.3716, 0.3927 4344 FB9 0.2192, 0.1310 >10000 FB1
371 0.3879, 0.4809 4379
FB2 0.3839, 0.4765 4438 FB8 0.3738, 0.4647 4602 FB2
392
0.4332, 0.4474 3385 FB5 0.4950, 0.4325 2427 FB6 0.5936, 0.4022 1503 FB7 0.6460, 0.3519 1054 FB9 0.5270, 0.4537 2246 FB3
404 0.6158, 0.3828 1306
FB4 0.5568, 0.4185 1805
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Fig. S4. Representation of all the CIE coordinates of the different samples at different wavelengths excitation.
Fig. S5. Tm3+ emission intensity upon excitation at 351 nm.
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Fig. S6. Tm3+ emission intensity upon excitation at 365 nm.
Fig. S7. Dy3+ emission intensity upon excitation at 351 nm.