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SM ISO690:2012 BORDIAN, Olga, VERLAN, Victor, IOVU, Maria, CULEAC, Ion, POPUSHOI, Ana, BARBA, Nicanor. Photosensible nanocomposites pepc/ana-ch: preparation technique and some optical properties. In: Moldavian Journal of the Physical Sciences, 2012, nr. 4(11), pp. 346-353. ISSN 1810-648X. |
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Moldavian Journal of the Physical Sciences | ||||||
Numărul 4(11) / 2012 / ISSN 1810-648X /ISSNe 2537-6365 | ||||||
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Pag. 346-353 | ||||||
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Nanocomposites based on polymers and organic luminophore materials (propenone and coordinated with rare earth elements) are excellent structures for a new generation of devices with high intensity of luminescence in the visible region of the spectrum [1, 2]. The main advantages of nanocomposites are their high stability due to fixation and protection in the polymer matrix; they can be obtained in the form of thin layers on large-area and flexible substrates and in the form of fibers and planar waveguides; they are promising for broad application in optoelectronics and other fields, such as solar cells, gas sensors, medicine, etc. The samples of 3-(anthracene-9-yl)-1-(4-isothiocyanatophenyl)-prop-2-en-1-one (ANA-CH) framed in the polymer matrix of polyepoxypropylcarbazole (PEPC) were prepared and characterized by optical spectroscopic methods. For the ANA-CH and ANA-CH/PEPC nanocomposites, depending on the composition, the photoluminescence peaks at photon energy hv=3.16 eV, hv=2.45 eV and hv=3.18 eV, hv=2.25 eV, respectively, were registered. The peaks in the photoluminescence spectra of the investigated nanocomposites can be attributed to the presence of the CH=CH double bond in the organic luminophore compound with the width of λ=117 nm at room temperature and λ =37 nm at nitrogen temperature. |
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<meta name="citation_title" content="Photosensible nanocomposites pepc/ana-ch: preparation technique and some optical properties"> <meta name="citation_author" content="Bordian Olga"> <meta name="citation_author" content="Verlan Victor"> <meta name="citation_author" content="Iovu Maria"> <meta name="citation_author" content="Culeac Ion"> <meta name="citation_author" content="Popushoi Ana"> <meta name="citation_author" content="Barba Nicanor"> <meta name="citation_publication_date" content="2012/12/03"> <meta name="citation_journal_title" content="Moldavian Journal of the Physical Sciences"> <meta name="citation_volume" content="11"> <meta name="citation_issue" content="4"> <meta name="citation_firstpage" content="346"> <meta name="citation_lastpage" content="353"> <meta name="citation_pdf_url" content="https://ibn.idsi.md/sites/default/files/imag_file/Photosensible%20nanocomposites%20pepc_ana%20ch_preparation%20technique%20and%20some%20optical%20properties.pdf">