Technology and some optical proprieties of nanocomposites PEPC/CuPc
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BORDIAN, Olga, CULEAC, Ion, YOVU, M., VERLAN, Victor, POPUSHOI, Ana, POPUŞOI, Mihail, ROBU, Stephan V., DRAGALINA, Galina, SHEPEL, Diana. Technology and some optical proprieties of nanocomposites PEPC/CuPc. In: Moldavian Journal of the Physical Sciences, 2013, nr. 3-4(12), pp. 229-237. ISSN 1810-648X.
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Moldavian Journal of the Physical Sciences
Numărul 3-4(12) / 2013 / ISSN 1810-648X /ISSNe 2537-6365

Technology and some optical proprieties of nanocomposites PEPC/CuPc

Pag. 229-237

Bordian Olga1, Culeac Ion1, Yovu M.1, Verlan Victor1, Popushoi Ana2, Popuşoi Mihail2, Robu Stephan V.2, Dragalina Galina2, Shepel Diana3
 
1 Institute of Applied Physics, Academy of Sciences of Moldova,
2 Moldova State University,
3 Institute of Chemistry of the Academy of Sciences of Moldova
 
Disponibil în IBN: 20 martie 2014


Rezumat

A new structural nanocomposite (NC) based on oligomer poly(N-epoxypropyl)carbazole (PEPC) and copper phthalocyanine (CuPc) nanocrystals on a glass substrate are prepared by casting and droplet methods under normal conditions (room temperature, atmospheric pressure). Thin films of the PEPC/CuPc nanocomposite are characterized by visible optical, infrared (FT-IR), and photoluminescence (PL) spectra. The observed FT-IR bands are assigned to vibration modes of molecules and nanocrystals of CuPc on the basis of their symmetry. The optical spectra of PEPC/CuPc nanocomposites films show three main absorption bands attributed to CuPc, one band positioned at 1.46 eV, another one located at 2.02 eV, which is known as the π→ π* transitions in Q-bands and the π→ π* transitions of Soret B-band which was located at 3.02 eV. The effect of irradiation with ultraviolet (UV) light on the optical properties is studied.