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We report that ZnO nanorods (NRs) are grown on an organic layer of poly(3-hexylthiophene) (P3HT) using a modified seeding layer. Thus, ZnO NRs/P3HT heterojunction light-emitting diodes could be fabricated using the hydrothermal method, in which ZnO acts as an n-type material and P3HT as a p-type material. The ZnO NRs improve the electron transportation in the devices. A three-fold enhancement of current...
Here, we report the use of organic/inorganic heterostructure to fabricate the p-n heterojunction devices. The heterostructure provides a new approach for constructing high performance electroluminescence devices which improve the balance of hole and electron injection. In this study, we fabricated the white-light inorganic/organic heterojunction diode LEDs, using p-type polymer (PF) and n-type ZnO...
The characteristics of a nanocomposite consisting of the blue-emitting polymer polyfluorene and ZnO nanowires are reported. The electroluminescence spectrum of the white light emission is from about 400 nm to 750 nm.
We report the white light emission of the zinc oxide (ZnO) nanowires/insulator composite films by low-cost hydrothermal method. The hybrid composite film consists of ZnO nanowires and insulator materials of polymethyl methacrylate (PMMA) and spin-on-glass (SOG) respectively. The ZnO EL device with PMMA shows a peak at 595 nm and the one with SOG shows a peak at 560 nm under bias of 9 V. The above...
We report electroluminescence from ZnO nanorod-based devices prepared by the hydrothermal method. The devices composed of ZnO nanorods and P3HT, in which ZnO acts as an n-type material and P3HT acts as a p-type material.
We report the white light emission of hybrid N,N'-diphenyl-N,N'-bis(3-methylphenyl)-1, 1'- biphenyl-4,4'-diamine (TPD) / europium oxide (Eu2O3) nanocrystals composite by spin-coating. The organic-inorganic hybrid film consists of Eu2O3 nanocrystals, TPD and polymethyl methacrylate (PMMA). The bandwidth of the white light emission spans as wide as 300 nm, which is attributed to the interaction between...
We report the visible light emission of organic-inorganic light emitting devices by low-cost spin-coating. Different nanoparticles, CdSe, ZnO and Eu2O3, are employed to form organic-inorganic hybrid composites and generate the R-G-B and white light emission, while N,N'-diphenyl-N,N'-bis(3-methylphenyl)-1,1'-biphenyl-4,4'-diamine (TPD) and polymethyl methacrylate (PMMA) are adopted as the organic matrices...
We report electroluminescence from ZnO nanoparticle-based devices prepared by the spin-coating process. The TPD enhances electrons and holes to recombine in the ZnO nanoparticles. The optimal device exhibits a narrow spectrum at 392 nm.
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