Hydroxyethyl cellulose filled with M2+ chelate complexes with ethylenediaminetetraacetic acid (EDTA) as an effective electron-injection layer for polymer light-emitting diodes

Biodegradable solid polymer electrolyte (SPE) systems composed of hydroxylethyl cellulose blended with copper(II) oxide (CuO) and yttrium(III) oxide (Y 2 O 3 ) nanoparticles as fillers, magnesium trifluoromethane sulfonate salt, and 1-ethyl-3methylimidazolium trifluoromethane sulfonate ionic liquid were prepared, and the effects of the incorporation of CuO and Y 2 O 3 nanoparticles on the performance of the SPEs for electric double-layer capacitors (EDLCs) were compared. The X-ray diffraction results reveal that the crystallinity of the SPE complex decreased upon inclusion of the Y 2 O 3 nanoparticles compared to CuO nanoparticles; this led to a higher ionic conductivity of the Y 2 O 3 -based SPE [(3.08 6 0.01) 3 10 24 S/cm] as compared to CuO [(2.03 6 0.01) 3 10 24 S/cm]. The EDLC performances demonstrated that the cell based on CuO nanoparticles had superior performance in terms of the specific capacitance, energy, and power density compared to the Y 2 O 3 -nanoparticle-based cell. However, Y 2 O 3 -nanoparticle-based cell displayed a high cyclic retention (91.32%) compared to the CuO-nanoparticle-based cell (80.46%) after 3000 chargedischarge cycles.

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Comparison of the performance of copper oxide and yttrium oxide nanoparticle based hydroxylethyl cellulose electrolytes for supercapacitors

Chong

Numan

Liew

et al. 2016

J of Applied Polymer Sci

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Copolyphenylenes with pendant benzimidazolyl and diethanolaminohexyloxy groups: Synthesis and electron-transporting application in PLEDs

Tseng

Chen

2017

J. Polym. Sci. Part A: Polym. Chem.

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Two new electron-transporting copolyphenylenes P1NH and P2NH possessing balanced charges crucial to emission efficiency of polymer light-emitting diodes (PLEDs) have been synthesized and applied as an electron-transporting layer (ETL). The main chain structure is all para-linkage for P1NH and both para-and meta-linkage for P2NH, with the same pendant electron-withdrawing benzimidazolyl and polar diethanolaminohexyloxy groups. Both copolymers possess excellent thermal stability (T d > 300 8C, T g > 100 8C) due to their rigid backbones. In addition, the pendant groups effectively lower LUMO ( 22.70 eV) and HOMO ( 25.70 eV) levels, resulting in improved electron-transporting and hole-blocking capabilities. Multilayer yellow-emitting PLEDs with a configuration of ITO/PEDOT:PSS/SY/ETL/LiF/Al were successfully fabricated by the spin-coating process. The maximum luminance and maximum current efficiency of the P1NH-based device were 12,881 cd/m 2 and 10.94 cd/A, respectively, superior to the performance of P2NH-based device (4938 cd/m 2 , 3.70 cd/A) and the device without ETL (8690 cd/m 2 , 2.78 cd/A). Current results indicate that P1NH is highly effective in enhancing electron transport and device performance.

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Efficient electron injecting layer for PLEDs based on (PLAGH)2[ZnCl4]

et al. 2016

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Hydroxyethyl cellulose filled with M2+ chelate complexes with ethylenediaminetetraacetic acid (EDTA) as an effective electron-injection layer for polymer light-emitting diodes

Cited by 4 publications

References 59 publications

Comparison of the performance of copper oxide and yttrium oxide nanoparticle based hydroxylethyl cellulose electrolytes for supercapacitors

Comparison of the performance of copper oxide and yttrium oxide nanoparticle based hydroxylethyl cellulose electrolytes for supercapacitors

Copolyphenylenes with pendant benzimidazolyl and diethanolaminohexyloxy groups: Synthesis and electron-transporting application in PLEDs

Efficient electron injecting layer for PLEDs based on (PLAGH)2[ZnCl4]

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