Synthesis and Electroluminescence Characterization of Cadmium Complex
| Authors | Rahulkumar1, K. Singh1, R. Srivastava2 , M.N. Kamlasanan2 |
| Affiliations | 1 Thapar University, 147004, Patiala, India 2 National Physical Laboratory 110012, New Delhi, India |
| Е-mail | kusingh@thapar.edu |
| Issue | Volume 3, Year 2011, Number 1, Part 3 |
| Dates | Received 04 February 2011, published online 23 June 2011 |
| Citation | Rahulkumar, K. Singh, R. Srivastava, M.N. Kamlasanan, J. Nano- Electron. Phys. 3 No1, 514 (2011) |
| DOI | |
| PACS Number(s) | 81.20.ka, 81.70.Pg, 85.60.Jb |
| Keywords | Luminescence (24) , Thermal stability (7) , Cadmium complex Cd(hpb)q, FTIR (30) . |
| Annotation |
We have synthesized and characterized a new electroluminescence material,Cadmium [(2-(2-hydroxyphenyl)benzoxazole)(8-hydoxyquinoline)] Cd(HPB)q. The absorption spectra of this material show maxima at 378 nm. It may be attributed due to π° – π* transition. The photoluminescence showed peak at 520 nm. TGA data of the material shows stability up to 370 °C .Organic light emitting diode have been fabricated with this material and the fundamental structures of the device is ITO/α-NPD/ Cd(HPB)q/BCP/Alq3/LiF/Al exhibited a luminescence peak at 550 nm. The maximum luminescence of the device was 295 cd/m2 with current density of 6687 A/m2 at 20 V. The maximum current efficiency of OLED was 1.01 cd/A at 17 V and power efficiency was 1.01 lm/w at 17 V. |
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List of References |
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