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Browsing Articole din publicaţii internaţionale by Subject "nanocrystals"

Browsing Articole din publicaţii internaţionale by Subject "nanocrystals"

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  • CdSe Quantum Dots and SBMA/CdSe Nanocomposites Characterization by Optical and 2D DOSY NMR Methods 
    GERU, I. I.; BORDIAN, O. T.; CULEAC, I. P.; VERLAN, V. I. (Horizon Research Publishing, 2015)
    We present experimental results on preparation and characterization of colloidal CdSe quantum dots (QDs) and polymer nanocomposite based on them. CdSe QDs were characterized by UV absorbance and visible photoluminescence ...
  • A comparative study of GaN and Ga2O3 nanocrystals obtained by hydrothermal and solid state phase reactions 
    RUSU, Emil; URSAKI, Veacheslav; SIMINEL, Anatolii; RAEVSCHI, Simion; VLAZAN, Paulina (Institutul de Fizică Aplicată, 2014)
    There is actually a considerable interest in the preparation of nanoparticles on the basis of semiconductor and oxide materials due to the influence of nanoparticle dimensionality upon their optical, radiative, and magnetic ...
  • Excitonic polaritons in ZnAs2 
    ZALAMAI, V. V.; SYRBU, N. N.; STAMOV, I. G. (Institutul de Fizică Aplicată, 2016)
    Spectral dependences of normal and anomaly dispersions of refractive index were calculated from interferential reflection and transmission spectra. It was shown, that A and B excitonic series were due to by hole V1 and ...
  • 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.
  • 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. ...
  • 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 ...
  • Preparation and characterization of Ga2O3 and GaN nanoparticles 
    RUSU, E.; URSAKI, V.; RAEVSCHI, S.; VLAZAN, P. (Society of Photo-Optical Instrumentation Engineers, SPIE, 2015)
    In this communication, we present results on preparation of GaN nanoparticles by conversion of Ga2O3 nanocrystals in a flow of NH3 and H2. The monoclinic Ga2O3 nanoparticles have been prepared by hydrothermal method with ...
  • A rapid hydrothermal synthesis of rutile SnO2 nanowires 
    CRETU, V.; POSTICA, V.; MISHRA, A. K.; HOPPE, M.; TIGINYANU, I.; MISHRA, Y. K.; CHOW, L.; DE LEEUW, Nora H.; ADELUNG, R.; LUPAN, O. (The Royal Society of Chemistry, 2016)
    Synthesis, characterization and DFT studies of zincdoped copper oxide nanocrystals for gas sensing applications Due to their unique properties, p-type copper oxide nanostructures have demonstrated promising potential for ...
  • Semiconductor-oxide nanocomposites on the basis of porous semiconductors 
    SIRBU, Lilian; URSAKI, V. V.; TIGINYANU, I. M.; BOYD, R. W. (Institutul de Fizică Aplicată, AŞM, 2006)
    Over the last years, there has been considerable interest in optical properties of rare-earth-ion doped nanocrystals dispersed in a transparent medium as potential optoelectronic materials. This issue becomes especially ...
  • Up-conversion luminescence in GaSe nanocrystals 
    SYRBU, N. N.; STAMOV, I. G.; DOROGAN, A. V.; ZALAMAI, V. V. (Elservier, 2021)
    Optical properties of GaSe crystals have been investigated at wide temperature range from 10 to 300 K by help of reflection, absorption, and wavelength modulated reflection, and transmission spectra. Received data were ...

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