2000
DOI: 10.1016/s0040-6090(99)00976-1
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Red electroluminescence and photoluminescence properties of a reduced porphyrin compound, tetraphenylchlorin

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Cited by 16 publications
(6 citation statements)
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“…Numerous red fluorescence dyes have been synthesized and studied for fabricating an excellent red OLED, including pyran, chromene, and isophorene containing 4-(dicyanomethylene)-2-methyl-6-[4-(dimethylaminostyryl)-4H-pyran] (DCM) type red dyes [2][3][4][5][6][7][8][9][10][11][12], porphyrin-type macrocyclic red dyes [13][14][15], and squarylium dyes [16][17][18]. Among these red fluorescence dyes, DCM type dyes remain the most efficient material when applied for the red OLEDs, particularly for the dye namely (4-(dicyanomethylene)-2-t-butyl-6-(1,1,7,7-tetramethyljulolidyl-9-enyl)-4H-pyran) (DCJTB) [4,5].…”
Section: Introductionmentioning
confidence: 99%
“…Numerous red fluorescence dyes have been synthesized and studied for fabricating an excellent red OLED, including pyran, chromene, and isophorene containing 4-(dicyanomethylene)-2-methyl-6-[4-(dimethylaminostyryl)-4H-pyran] (DCM) type red dyes [2][3][4][5][6][7][8][9][10][11][12], porphyrin-type macrocyclic red dyes [13][14][15], and squarylium dyes [16][17][18]. Among these red fluorescence dyes, DCM type dyes remain the most efficient material when applied for the red OLEDs, particularly for the dye namely (4-(dicyanomethylene)-2-t-butyl-6-(1,1,7,7-tetramethyljulolidyl-9-enyl)-4H-pyran) (DCJTB) [4,5].…”
Section: Introductionmentioning
confidence: 99%
“…[11][12][13][14][15] Saturated red EL was achieved using phosphorescent porphines such as tetraphenylporphine ͑TPP͒, tetraphenylchlorin ͑TPC͒, and derivatives of platinum ͑II͒ porphines ͑PtOEP, PtOx, and PtDPP͒. [16][17][18][19][20] The use of phosphorescent emitters increases the theoretical limit of the EL quantum efficiency by taking advantage of the higher production ratio of triplet to singlet excitons ͑3:1͒. PtOEP and PtOx-based devices show improved quantum efficiencies of 2.2% and 1.1%, respectively, at 100 A/m 2 .…”
mentioning
confidence: 99%
“…Because the TFM-TSB mono-film is amorphous, it was probable that there are various TFM-TSB sites; some might form monomer-like sites and others might form aggregate-like sites (dimmer, trimer, etc.). These characteristics, broadband and red-shifted emission spectrum are usually observed for organic and polymer materials results from intermolecular interactions in the solid state and/or particular aggregation states (Kan et al 2003;Sakakibara et al 2000;Bulović et al 1998). Figure 2 shows the EL spectra and their Gaussian profile analysis for the single layer device with a 100 nm TFM-TSB which sandwiched between ITO anode and LiF/Al cathode at operating voltages of 18 (Fig.…”
mentioning
confidence: 92%