Electroluminescence
Mostrando 13-17 de 17 artigos, teses e dissertações.
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13. DISPOSITIVOS ELETROLUMINESCENTES ORGÂNICOS BASEADOS EM COMPLEXOS LANTANÍDEOS / ORGANIC ELECTROLUMINESCENT DEVICES BASED ON LANTHANIDE COMPLEXES
Este trabalho consiste no estudo de dispositivos eletroluminescentes orgânicos (OLEDs) onde as camadas emissoras de luz são oriundas dos complexos lantanídeos. A estrutura dos OLEDs fabricados é constituida a partir de uma heterojunção de três materiais orgânicos, onde o 1-(3- metilfenil)-1,2,3,4 tetrahidroquinolina-6-carboxialdeido- 1,1 -difenilhidr
Publicado em: 2004
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14. Growth and characterization of OLEDs with europium complex as emission layer
In this work the growth and the characterization of red emitting triple-layer electroluminescent organic devices using vacuum deposited (Eu(TTA)3(TPPO)2) europium complex as emitting layer are described. The observed electroluminescence (EL) is characteristic of the Eu3+ emission. In this device the hole transport layer is obtained using a thin film of 1-(3-
Brazilian Journal of Physics. Publicado em: 2002-06
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15. Charge carrier mobility and electroluminescence in a green-emitting alternating block copolymer with a methoxy bi-substituted chromophore
We determine the mobility of positive and negative charge carriers in a soluble green-emitting alternating block copolymer with a methoxy bi-substituted conjugated segment. The negative charge carrier mobility of 6 × 10-11 cm /V.s is directly determined using space-charge-limited current analytical expressions. Positive charge carrier transport is also spac
Brazilian Journal of Physics. Publicado em: 2000-06
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16. Strongly enhanced field-dependent single-molecule electroluminescence
Individual, strongly electroluminescent Agn molecules (n = 2∼8 atoms) have been electrically written within otherwise nonemissive silver oxide films. Exhibiting characteristic single-molecule behavior, these individual room-temperature molecules exhibit extreme electroluminescence enhancements (>104 vs. bulk and dc excitation on a per molecule basis) when
National Academy of Sciences.
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17. Electric double layer dynamics by high-field electroluminescence in aqueous solution (Destriau effect)†
Transient luminescence induced by high electric fields (>2.5 × 104 V/cm) was observed in aqueous solutions of 6,8-dihydroxypyrene-1,3-disulfonic acid. The light emission takes place both at the leading and the trailing edges of the perturbing electric square pulse. It occurs only during the variation of the applied field and disappears with a time constant