Articole ştiinţifice: Recent submissions

  • Raman Spectra in As-Based Chalcogenide Optical Fibers 
    IOVU, M. S.; CULEAC, I. P.; KOUDELKA, Ladislav; VOYNAROVYCH, Ivan; VLCEK, Miroslav (American Scientific Publishers, 2014)
    Raman spectra for optical fiber samples prepared from As-based chalcogenide glass composition (As50S50, As40S60, As25S75, (As40S60)0.95:(As40Se60)0.05 and (As40S60)0.95:(Sb40S60)0.05 are investigated. The primary maximum ...
  • Preparation and photoelectric characterization of SWCNTs-P3OT nanocomposites 
    VERLAN, Victor; BORDIAN, Olga; CULEAC, Ion; IOVU, Mihail; BOERASU, Iulian; ENACHESCU, Marius (Institutul de Fizică Aplicată, 2015)
    This work presents experimental results on single-walled carbon nanotubes (SWCNTs) and nanocomposite materials based on SWCNTs and conducting polymer with conjugated bonds poly-3 oxythiofene (P3OT).
  • Preparation and Characterization of CdSe Colloidal Quantum Dots by Optical Spectroscopy and 2D DOSY NMR 
    GERU, I.; BORDIAN, O.; CULEAC, I.; TURTA, C.; VERLAN, V.; BARBA, A. (SPIE, 2015)
    We present experimental results on preparation and characterization of colloidal CdSe quantum dots (QD) in organic solvent. CdSe QDs were synthesized following a modified literature method and have been characterized by ...
  • Polymer nanocomposite based on styrene with butyl methacrylate and inorganic semiconductor CdsS 
    IOVU, Mihail; ENACHESCU, Mihai; CULEAC, Ion; VERLAN, Victor; ROBU, Stefan; BOJIN, Dionezie; NISTOR, Iurie; COJOCARU, Ion (Institutul de Chimie, AŞ, 2014)
    We present experimental results on copolymer-based nanocomposite made of styrene with butyl methacrylate (1:1) and inorganic semiconductor CdS. Thin fi lm composite samples have been characterized by UVVis absorption and ...
  • PL properties of the coordination compound Eu(DBM)3(PH3PO)H2O 
    VERLAN, V.; BORDIAN, O.; CULEAC, I.; IOVU, M.; BULHAC, I.; ZUBAREV, V. (Institutul de Fizică Aplicată, 2012)
    The experimental results of PL and its kinetics were analyzed using the Judd-Ofelt method from which PL parameters were obtained: the quantum yield, life time, and the oscillator force of the electrical dipole, etc. The ...
  • Photouminescence and Optical Properties of PVP/Tb(TTA)2(Ph3PO)2NO3 Nanocomposites 
    VERLAN, V. I.; IOVU, M. S.; CULEAC, I.; NISTOR, Y. H.; TURTA, C. I.; ZUBAREVA, V. E. (SPIE, 2012)
    Thin films (1-10 μm thickness) of nanocomposites (NCs) based on coordinated compounds (CC) Tb(TTA)2(Ph3PO)2NO3 (where TTA is thenoyltrifluoroacetonate (C8H5F3O2S), Ph3PO - triphenylphosphine oxide) and polymer – ...
  • Photoluminescente properties of Eu(o-MBA)3Phen organic compound embedded in PEPC polymer matrix 
    BORDIAN, O.; VERLAN, V.; CULEAC, I.; IOVU, M.; ZUBAREVA, V. (National Institute of Optoelectronics, Romania, 2017)
    We report preparation and characterization of new nanocomposite material based on oligomers poly-N-propyl carbazole (PEPC) and the organic compound Eu(o-MBA)3Phen, where o-MBA – ortho-methylbenzoic acid, Phen – phenanthroline. ...
  • Photoluminescent nanocomposite materials based on SBMA copolymer and CdS 
    IOVU, M.; ENACHESCU, M.; CULEAC, I.; VERLAN, V.; ROBU, S.; BOJIN, D.; NISTOR, Iu.; COJOCARU, I. (SPIE, 2015)
    We present experimental results on copolymer-based nanocomposite made of styrene with butyl methacrylate (SBMA) (1:1) and inorganic semiconductor CdS. Thin film composite samples have been characterized by UV-Vis absorption ...
  • Photoluminescence properties of PVP/Eu(TTA)2(Phen3PO)2NO3 nanocomposites 
    VERLAN, V. I.; IOVU, M. S.; CULEAC, I.; NISTOR, Y.; TURTA, C. I.; ZUBAREVA, V. E. (Elsevier, 2011)
    Thin films (1–10μm thickness) of nanocomposites (NC) based on organic coordinated compound (OCC) Eu(TTA)2(Phen3PO)2NO3 (where TTA is thenoyltrifluoroacetonate (C8H5F3O2S), Phen – 1,10-phenanthroline (C12H8N2)) and polymer ...
  • Optical characterization of the new nanocomposite SBMA/Eu(TTA)3(Ph3PO)2 
    BORDIAN, Olga; VERLAN, Victor; CULEAC, Ion; IOVU, Mihail; ZUBAREVA, Vera; NISTOR, Iurie (SPIE, Society of Photo-Optical Instrumentation Engineers, 2015)
    We describe a new nanocomposite material based on the copolymer of styrene with butyl methacrylate (1:1) (SBMA), and coordinating compound of Europium(III) Eu(TTA)3(Ph3PO)2. The SBMA/Eu(TTA)3(Ph3PO)2 nanocomposite was ...
  • Optical characteristics and high resolution 2D dosy NMR in CdSe quantum dots 
    GERU, I.; BORDIAN, O.; LOSHMANSKY, C.; CULEAC, I.; BARBA, A.; TURTA, C. (Institutul de Fizică Aplicată al AŞM, 2014)
    We present experimental results on preparation and characterization of colloidal CdSe QDs in organic solvent. Colloidal semiconductor QDs were prepared via a chemical route.
  • Optical and Photoluminescence Properties of Nanocomposites Polymer-Compounds Coordinated with Eu+3 Ions 
    VERLAN, V. I.; IOVU, M. S.; CULEAC, I. P.; TURTA, C. I.; ZUBAREVA, V. E. (American Scientific Publishers, 2012)
    Thin films (1–3 μm thickness) of nanocomposites (NCs) based on organic compounds with Eu3+ ions (Eu(TTA)3H2O, Eu(TTA)3 Phen, Eu(DBM)3 Phen and Eu(TTA)2(Ph3PO)2NO3 and polymer polyvinylpyrrolidone (PVP) or copolymer ...
  • Optical and photoluminescence characteristics of amorphous nanocomposites containing organic compounds with Eu+3 and polymers 
    VERLAN, V. I.; IOVU, M. S.; CULEAC, I.; NISTOR, YU. H.; TURTA, C. I.; ZUBAREVA, V. E. (National Institute of Optoelectronics, Romania, 2011)
    Thin films (1-10 µm thickness) of nanocomposites (NC) based on polymers and organic coordinated compounds (OCC) Eu(TTA)3H2O, Eu(TTA)3Phen, Eu(DBM)3Phen, Eu(TTA)2(Ph3PO)2NO3 (where TTA is thenoyltrifluoroacetonate (C8H5F3O2S), ...
  • Optical and photo-induced properties of carbazol-containing polymers with azonitrodye 
    MESHALKIN, A.; ROBU, S.; BOIARINOV, Yu.; PRISACAR, A.; SHEPEL, D.; CULEAC, I.; COJOCARU, I.; ACHIMOVA, E. (Institutul de Fizică Aplicată al AŞM, 2014)
    In this work the optical properties and photo-induced effects study of the copolymer of poly(9- epoxypropyl)carbazole (PEPC) with azodye Disperse Orange, was carried out. Copolymer of epoxypropylcarbazole with Disperse ...
  • Optical absorption and photoluminescence of lumonophore nanocomposites 
    VERLAN, V. I.; IOVU, M. S.; ANDRIESH, A. M.; NISTOR, Yu. H.; CULEAC, I.; MALAHOV, L.; TURTA, C. I.; ZUBAREVA, V. E. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2011)
    The europium complex tris(dibenzoylmethane)(monophenanthroline)europium (III) (Eu(DBM)3Phen) was successfully incorporated with different molar ratios into organic copolymer matrix of styrene:butylmethacrilate (1:1) (SBMA) ...
  • Characterization of new nanocomposit PEPC / anthracenehalcon 
    BORDIAN, O.; VERLAN, V.; IOVU, M.; CULEAC, I.; NISTOR, I.; POPUŞOI, A.; DRAGALIN, G.; BARBĂ, N. (Institutul de Fizică Aplicată al AŞM, 2012)
    Nanocomposites PEPC / ANA-Halcon (chemical formula is shown below Figure 1) were investigated. Nanocomposite coatings were obtained by the chemical solution method. PEPC and ANAHalcon were separately dissolved in benzene ...
  • New organic luminophore compounds-polymer nanocomposites: technology and absorbance 
    VERLAN, V.; IOVU, M.; CULEAC, I.; POPUSHOI, A.; DRAGALINA, G.; ROBU, S.; BARBĂ, N.; MALAHOV, L. (SPIE, Society of Photo-Optical Instrumentation Engineers, 2010)
    New light-emitting layers of nanocomposites on polymer base have been obtained. As polymeric matrices the copolymers of styrene and butilmetacrylate in the ratio (1:1) have been used. As organic luminophore compounds from ...
  • New luminescent compounds based on chalcogenides and organic materials 
    IOVU, M. S.; ANDRIESH, A. M.; VERLAN, V. I.; BUZURNIUC, S. A.; CULEAC, I. P.; NISTOR, YU. H.; ZUBAREVA, V. (National Institute of Optoelectronics, Romania, 2009)
    Data concerning fabrication and luminescent properties of new composite materials on the base of organic coordination compounds of Eu(III) (Eu(TTA)3H2O, Eu(TTA)3Phen or Eu(DBM)3Phen dispersed in SBMA copolymer are presented. ...
  • New composite materials for optoelectronic applications 
    IOVU, M. S.; BUZURNIUC, S. A.; VERLAN, V. I.; CULEAC, I. P.; NISTOR, Yu. H. (SPIE, Society of Photo-Optical Instrumentation Engineers, 2009)
    The problem of obtaining low cost but efficient luminescent materials is still actually. Data concerning fabrication and luminescent properties of new composite materials on the base of thenoyltrifluoroacetone (TTA) of ...
  • The study of some luminescent materials on the basis of organic copolymers grafted with isothiocyanatochalcones and phthalocyanine derivatives 
    ROBU, Şt.; DRAGALINA, G.; POPUŞOI, A.; MITCOV, D.; BARBĂ, N.; ANDRIEŞ, A.; CULEAC, I.; IOVU, M.; NISTOR, Iu. (Institutul de Fizică Aplicată al AŞM, 2010)
    Novel polymeric materials grafted with chalcone and phthalocyanine derivatives were synthesized and their luminescent properties were investigated.

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