نتایج جستجو برای: ag zno
تعداد نتایج: 62522 فیلتر نتایج به سال:
We demonstrated an ITO-free, highly transparent organic solar cell with the potential to be integrated into window panes for energy harvesting purposes. A transparent, conductive ZnO/Ag/ZnO multilayer electrode and a Ag:Ca thin film electrode were used in this transparent device as the bottom and top electrode, respectively. To further improve the transmittance of the solar cell, the thickness ...
The fabrication and application of an intracellular K + -selective microelectrode is demonstrated. ZnO nanowires with a diameter of 100–180 nm and a length of approximately 1.5 μm are grown on a borosilicate glass microcapillary. The ZnO nanowires were coated by a K + -ionophore-containing membrane. The K + -selective microelectrode exhibited a K + -dependent potentiometric response versus an A...
In this study, the effects of treatment with Ag, Au, Cu, Pd, CeO2, CuO, TiO2 and ZnO nanoparticles (NPs) on plant secondary metabolism were tested using an untargeted metabolomic approach in cell suspension cultures Hypericum perforatum L. Variations accumulation metabolites observed after exposure to NPs. Overall, number compounds increased by metal NPs was higher than that oxides. Among oxide...
Lattice site and stability of implanted Ag in ZnO E. Rita , U. Wahl, A.M.L.Lopes, J.P.Araújo , J.G. Correia , E.Alves , J.C.Soares , The ISOLDE Collaboration a Instituto Tecnológico e Nuclear, Sacavém, Portugal b Centro de Física Nuclear da Universidade de Lisboa, Lisbon, Portugal c Departamento de Física da Universidade de Aveiro, Aveiro, Portugal d IFIMUP, University of Porto, Porto, Portugal...
تیتانیم دی اکساید به دلیل قابلیت های کاربردی آن مورد توجه بسیاری از پژوهشگران قرار دارد. نانوذرات tio2 به عنوان یک فوتوکاتالیست مناسب برای از بین بردن گروهی از آلاینده های آلی مطرح شده اند. دوپه کردن tio2 با فلزاتی مانند ag، cu ،fe و... موجب افزایش فعالیت فوتوکاتالیتیکی این ترکیب می شود. در این کار پژوهشی نانوذرات tio2-zno با مقدار های متفاوت zno تهیه شده اند و فعالیت فوتوکاتالیتیکی آن ها مورد ...
• Flexible broadband photodetector with ZnO film on polyimide (PI) substrate studied. Silver nanoparticles were applied to obtain photosensitive material ZnO_Ag/PI. High spectral responsivity of ZnO_Ag/PI in UV–Vis-NIR spectra obtained. External quantum efficiency is from 1?10 2 9?10 4 %. Specific detectivity up 8.6?10 13 Jones allows recognize a weak light signal. In this work, we present flex...
The increasing production and use of engineered nanomaterials (ENMs) inevitably results in their higher concentrations in the environment. This may lead to undesirable environmental effects and thus warrants risk assessment. The ecotoxicity testing of a wide variety of ENMs rapidly evolving in the market is costly but also ethically questionable when bioassays with vertebrates are conducted. Th...
BACKGROUND The aim of this in vitrostudy was to examine and compare the effect of photodynamic therapy and solution containing nano particles Ag/ZnO on adhesion of endodontic sealers to dentinal walls of human root canal. MATERIAL AND METHODS Ninty single-rooted human teeth were selected and their clinical crown was cut from the cemento-enamel junction zone. Canals were prepared by RaCe rotar...
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