Self-assembled zinc(II) Schiff base polymers for applications in polymer light-emitting devices |
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| Authors: | Kwok Chi-Chung Yu Sze-Chit Sham Iona H T Che Chi-Ming |
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| Institution: | Department of Chemistry and the HKU-CAS Joint Laboratory on New Materials, The University of Hong Kong, Pokfulam Road, Hong Kong, SAR, China. |
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| Abstract: | Thermally stable zinc(II) Schiff base polymers (decomposition temperature up to 461 degrees C; M(n)= 13580 to 20440) formed by self-assembly reactions of zinc(II) salts and salicylaldimine monomers exhibit blue to yellow PL with quantum yields up to 0.34 in DMF; PLEDs employing these polymers as emitters give green or orange EL with turn-on voltage at 5 and 6 V and maximum efficiency of 2.0 and 2.6 cd A(-1) respectively. |
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