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:  rik.vandeun@ugent.be  

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

 

Fig.  S1.  FB  XRD  pattern  compared.  Reference  pattern  of  Gd2O2CO3  from  Pearson's  Crystal  Data.  Powder  pattern  of:  1804813.  

 

 

 

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    

 

 

 

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  

 

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.  

 

 

Fig.  S6.  Tm3+  emission  intensity  upon  excitation  at  365  nm.  

 

 

Fig.  S7.  Dy3+  emission  intensity  upon  excitation  at  351  nm.