Abstract
The tuning of photophysical properties of the poly[2-methoxy-5-(3,7-dimethyl-octyloxy)-1,4-phenylenevinylene]—end capped with dimethylphenyl (DMP), MDMO-PPV–DMP, was achieved by incorporation of ZnO NPs with various contents. Hybrid nanocomposites of MDMO-PPV–DMP with ZnO NPs were prepared by solution blending method and then deposited onto glass substrates. The structural properties of the hybrid nanocomposites samples were characterized using X-ray diffraction, FTIR, and FE-SEM, while their optical properties were extracted from the absorption and photoluminescence spectra. The energy band gap, energy tail, steepness parameter, and CIE chromatic coordinates were tuned by increase the content of ZnO NPs into the polymer matrix. The ZnO NPs incorporation assists the emission wavelength shift and multicolor emitting from the hybrid nanocomposites.
Highlights
Numerous types of electroluminescent and conducting polymers have been specified as a promising kind of materials for optoelectronic applications such as organic light emitting diodes (OLEDs), organic photovoltaic cells, organic phototransistors, and organic photo detectors
The energy difference between the lowest unoccupied molecular orbit (LUMO) level and highest occupied molecular orbit (HOMO) level will play a crucial role in determining the light color
Poly[2-methoxy-5(3,7-dimethyl-octyloxy)-1,4-phenylenevinylene], MDMO-PPV, is one of the most broadly considered of these derivatives because of its high stability, unique electroluminescent properties, and particular structure that allow easy deposition in flexible circuits, largearea electronics, and low-cost printable electronics [1,2,3,4]
Summary
Numerous types of electroluminescent and conducting polymers have been specified as a promising kind of materials for optoelectronic applications such as organic light emitting diodes (OLEDs), organic photovoltaic cells, organic phototransistors, and organic photo detectors. MZNCs with a gradual increase up to 1126 cm−1 upon incorporation of ZnO NPs. This shifting in the new band can be attributed to the deprotonating that signifies the transfer or removal of protons (H+ ions) due to O2− in ZnO and induces stress in the C-H The distribution of the ZnO NPs on the MDMO-PPV–DMP matrix can be clearly observed.
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